Mechanical and ABTH Final Study Guide Questions

  1. When adding water to a diesel engine under routing circumstances, what is the proper method
    Note the water level in the sight glass, shut down the engine if running, wait 4 minutes, make certain that the water level in the sight glass is not rising, vent the pressure for 1 minute using the pressure relief valve, fill to the proper level.

    REF: 5410 ABTH
  2. When are you required to make a running locomotive air brake test?  (3 Answers)
    1.  After any change is made in light locomotive consist.

    2.  When making initial movement with light locomotive.

    3.  After changing ends.

    REF: 5153 ABTH
  3. When applying the automatic or independent brake during a running locomotive brake test, what 2 things must be noted?
    1.  Development of brake cylinder pressure.

    2.  Retarding of the locomotive.

    REF: 5153B ABTH
  4. True or False:
    While the engine or train is moving, the engineer must not adjust the regualting valve on the controlling locomotive or cut out the automatic brake valve on the controlling locomotive.

    REF: 5007 ABTH
  5. Under what 2 conditions may a freight train operate without Two-Waty telemetry?
    1.  The train contains more than 4000 trailing tons, operates on less than 1% grade and does not exceed 30 MPH.

    2.  The train contains 4000 trailing tons or less, operates on less than 2% grade and does not exceed 30 MPH.

    REF: 5701 ABTH
  6. An undesired service application would be indicated by what 4 indications?
    1.  An increase in the indication of the air flow indicator.

    2.  The sound of excessive regulating valve operation.

    3.  A drop in brake pipe pressure.

    4.  A decrease in train speed or increase of locomotive output without a known cause.

    REF: 5654 ABTH
  7. Any employee coupling a yard line or locomotive to a train must first slightly open the shut off valve or angle cock to blow _____ from the yard line or brake pipe.   (4 Answers)
    1.  Condensation.

    2.  Debris.

    3.  Other Contaminants.

    4.  Oil.

    REF: 5001 ABTH
  8. While operating a train en route, what percentage of the train's air brakes (cars and locomotives) must be operative?

    REF: 5002 ABTH
  9. Standard brake pipe pressure for road freight service is _____; standard pressure for yard and transfer service is _____.
    90 PSI / 90 PSI

    REF: 5004 ABTH
  10. When charging a train other than the head end, adjust the brake pipe pressure to:
    15 PSI below standard pressure for the train.

    REF: 5005 ABTH
  11. To avoid an overcharged condition when doubling cars or coupling cars to the head end of a train, after the coupling is made, but before the angle cock is opened make sure a ______ brake pipe reduction is made.
    Full Service.

    REF: 5005 ABTH
  12. When reducing an overcharged air brake system, after:

    1. Charging the brake pipe to standard pressure for at least 3 minutes and

    2.  Placing the automatic brake in emergency position, what is the NEXT step in the procedure? 
    Wait 90 seconds and place the automatic brake in release position.

    REF: 5006 ABTH
  13. True or False:
    While the train or engine is moving, it is permissible to adjust the regulating valve on the controlling locomotive or cut out the brake valve on the controlling locomotive.

    REF: 5007 ABTH
  14. When applying the train brakes, monitor _______ because the _______ will reduce at a slower rate.
    1.  Equalizing Reservoir.

    2.  Brake Pip Pressure.

    REF: 5051 ABTH
  15. Equalizing reservoir pressure adjustments must be made with the automatic brake valve handle in the _____ position and cut ____.
    1.  Release.

    2.  Out.

    REF: 5053 ABTH
  16. When cutting in the automatic brake, before placing the automatic brake cut-out valve to the IN position, make certain that the automatic brake is in the _____ position and the equalizing reservoir pressure is not _____.
    1.  Release.

    2.  Increasing.

    REF: 5054 ABTH
  17. With the independent brake fully applied, brake cylinder pressure should not differ from the brake cylinder pressure represented inside the locomotive cab by stencil, badge plate, or decal by _____ PSI or more.
    3 PSI.

    REF: 5056 ABTH
  18. Do not _____ the independent brake so that it actuates the air brakes continuously.

    REF: 5057 ABTH
  19. Except for yard operations and passenger trains, the controlling locomotive must be equipped with _____ or _____ air brake valves.
    26/30 or electronic.

    REF: 5059 ABTH
  20. When necessary to increase air compressor output with a locomotive consist that does not contain an electrically driven air compressor, center the reverser and do not place the throttle in any position:
    Higher than # 4 position.

    REF: 5060 ABTH
  21. When necessary to increase air compressor output on a locomotive consist that contains at least one electrically-driven air compressor, with the reverser centered, place the throttle in which position?
    # 1 Position.

    REF: 5060 ABTH
  22. If the locomotive is stopped, do not move the locomotive when the main reservoir pressure is within _____ PSI of the brake pipe pressure.
    15 PSI.

    REF: 5060 ABTH
  23. During air brake tests, what 4 methods are used to determine the air pressure at the rear of the train or cut of cars?
    1.  Telemetry that has been qualified.

    2.  An air gauge in the EOT or marker unit.

    3.  An accurate hand-held gauge.

    4.  An air gauge on the locomotive coupled to the rear of the train or cut of cars.

    REF: 5104 ABTH
  24. When making a brake test on a train that is equipped with quilified telemetry, how can it be determined that the air brakes at the rear of the train have applied and released?
    A 5 PSI reduction in brake pipe pressure indicates an application and a 5 PSI increase in brake pipe pressure indicates a release.

    REF: 5105 ABTH
  25. When is a Locomotive Consist Air Brake Test required?
    When a locomotive consist is made up or added to.

    REF: 5151 ABTH
  26. When making a Standing Locomotive Air Brake Test, what procedure must be performed to make certain that the locomotive remains stationary?
    Independent brake in full application, reverser lever in forward or reverse, generator field switch in the on position, and the throttle in position # 1.

    REF: 5152 ABTH
  27. As soon as operating conditions permit, when is a Running Locomotive Air Brake Test required? (3 Answers)
    1.  When making any change to a locmotive consist.

    2.  When making an initial movement of a light consist.

    3.  When changing ends.

    REF: 5153 ABTH
  28. When performing a Running Locomotive Air Brake Test, what is the next step aftel releasing the independent brake and verifying that the brake cylinder pressure reduces to 0 PSI and the retarding force is elminated?
    Make a 15 PSI brake pipe reduction and verify brake cylinder pressure and the retarding of the locomotive.

    REF: 5153 ABTH
  29. Use the _____ when the train's controlling locomotive is equipped with 26/30 or electronic air brake equipment and an air flow indicator.
    Air Flow Method.

    REF: 5202 ABTH
  30. While performing a Class I Brake Test using the Brake Pipe Leakage Method, after making a 20 PSI brake pipe reduction, what steps are performed next to check brake pipe leakage?
    Allow brake pipe exhaust to stop, cut out the automatic brake valve, wait 1 minute, note the brake pipe pressure and measure brake pipe leakage for 1 minute.

    REF: 5202 ABTH
  31. While performing a Class I Brake Test using the Air Flow Method, the air flow indicator must read:
    60 CFM or less.

    REF: 5202 ABTH
  32. When performing a Class I Brake Test, charge brake pipe pressure at the rear car to _____ PSI for freight trains.  Obtain the required signal to begin the test.  Make a _____ PSI brake pipe reduction and allow the brake pipe exhaust to stop.
    1.  75 PSI.

    2.  20 PSI.

    REF: 5202 ABTH
  33. Use of the Air Flow Method to test leakage is required when the train's controlling locomotive is equipped with what minimum requirements?
    26/30 or electronic air brake equipment and an air flow indicator.

    REF: 5202 ABTH
  34. During the Class I Brake Test at initial terminal, at least _____% of the air brakes must be operative.

    REF: 5203, 5211 ABTH
  35. Tru or False:
    Cars given a Class II Brake Test must receive a Class I Brake Test at the next forward location where facilities are available to perform a Class I Brake Test.

    REF: 5204 ABTH
  36. You are on line-of-road and are instructed to add a cut of cars to your train.  What is required when performing a Class II Air Brake Test?
    Verify that the brakes on each car you pick up apply and release, and that the rear car of your train applies and releases.

    REF: 5204 ABTH
  37. You have stopped to pick up cars on line-of-road that were previously test and left on air.  After attaching the cars to the main body of the train, what brake test is required?
    Class III Brake Test - Train Consist Change.

    REF: 5205 ABTH
  38. Make a Transfer Train Air Brake Test before making a transfer movement not to exceed ______, unless the cars have been previously tests.
    20 Miles.

    REF: 5206  ABTH
  39. You are to perform a Helper Service Brake Test and have a 10 PSI brake pipe reduction applied to your train.  What action is required after you receive confirmation from the engineer that the helper locomotive is properly coupled to your train?
    Make an additional 10 PSI brake pipe reduction.

    REF: 5207 ABTH
  40. When retesting air brakes, what must be done if a car fails a retest?  (2 Conditions)
    1.  At a train's originating location; set car out.

    2.  At an intermediate location; Tag and move the car to the NEAREST repair location.

    REF: 5211 ABTH
  41. The engineer must be notified that the air brake test has been satisfactorily performed.  This notification must include what 4 items?
    1.  Date and time the inspection was made.

    2.  Number of cars inspected.

    3.  Name of qualified person performing the test or ID number if Class I or IA test.

    4.  Location where test was performed.

    REF: 5212 ABTH
  42. True or False:
    Each Locomotive in use must be inspected once each calendar day.

    REF: 5301 ABTH
  43. When taking charge of your locomotive consist, you determine that hte last calendar day inspection was made on the previous day.  When must the next calendat day inspection be made on this consist?
    On the current day before 2359 hours.

    REF: 5302 ABTH
  44. If a locomotive in your consist will not be used in service and the locomotive is due a calendar day inspection, what is required?
    Do not inspect the locomotive, comply with Rule 5307 (Completing and Placing Non-Complying Tag).

    REF: 5307 ABTH
  45. When a non-complying condition is discovered, promptly report the detail of the condition, including any restrictions placed on the locomotive, to whom?
    Train dispatcher, yardmaster, mechanical desk, and all other crewmembers.

    REF: 5307 ABTH
  46. When discovering a non-complying condition during a Calendar day Inspection and the locomotive is safe to move, it may only be moved under what 3 conditions?
    1.  Light or dead within a yard not exceeding 10 MPH.

    2.  In a locomoitve consist not attached to cars.

    3.  Isolated/shutdown (temperature permitting) when attached to cars.

    REF: 5308 ABTH
  47. While en route, you discover a non-complying condition on a locomotive in your consist and it cannont be brought into compliance.  After it is determined that the locomotive is safe to move, may you continue to operate this locomotive?
    Yes, but only until the performance of the next calendar day inspection.

    REF: 5308 ABTH
  48. When must a locomotive work report be completed?
    For each trip or tour of duty/

    REF: 5309 ABTH
  49. What conditions prohibit the engineer from starting the diesel engine?  (3 Answers)
    1.  A Hot engine and low lube oil (governor shutdown) indications are displayed at the same time.

    2.  An indication of a governor shutdown (low lube oil) occurs 2 consecutive times.

    3.  The crankcase overpressure device is tripped.

    REF: 5351 ABTH
  50. When is the fuel system is considered properly primed?
    The fuel sight glass is full of fuel, fuel pressure gauge reads a minimum of 30 PSI or system has been primed continuously for 30 seconds.

    REF: 5351 ABTH
  51. When starting a diesel engine, crank the diesel engine until it starts but no longer than ______ seconds?
    30 Seconds.

    REF: 5351 ABTH
  52. Whena check of the fluid levels on a locomotive reveals that one or more levels are at or below the low level, what action is required?
    Do not start the engine, contact the Mechanical Desk.

    REF: 5351 ABTH
  53. How may all engines in a locomotive consist, that are on-line, be shut down in emergency situation?
    By placing the throttle in the STOP position, or depressing the STOP button on the overhead console (on locomotives with desk-top control stands).

    REF: 5352 ABTH
  54. What circuit breaker must be opened after shutting down the diesel engine?
    The radio circuit breaker.

    REF: 5352 ABTH
  55. Where are the emergency fuel cut-off switches located?
    Either side of the fuel tank, at some engine start stations and on the engine control panel.

    REF: Tool Box Book
  56. Which switches on the control stand of a lead (controlling) unit would you place in the ON positioin to operate the locomotive?  (3 Items)
    1.  Engine Run.

    2.  Generator Field.

    3.  Control/Fuel Pump.

    REF: Tool Box Book
  57. What are the hoses necessary to MU locomotive, along with the pressures that are associated with each hose?  (Begin with the center hose and work torwards the outside)
    1.  Brake Pipe (pressure determined by the regulating valve setting).

    2.  Main Equalizing Reservoir Hose (130 - 145 PSI).

    3.  Actuating Hose (0 or 130 - 145 PSI).

    4.  Independent Application and Release Hose ( 0 - 45 PSI).

    REF: Tool Box Book
  58. When changing a controlling locomotive to a trailing locomotive, place the independent brake in full application position, remove and store the reverserr, make a full service reduction and verify that the brake pipe exhaust stops.  The next sequence is to:
    Cut out the automatic brake and place in the handle off position.  Cut out the independent brake and place in the release position.  Set switches and controls to trailing position and proceed to the new controlling locomotive.

    REF: 5355 ABTH
  59. When changing a trailing locomotive to a controlling locomotive, place the independent brake to full application position, cut in and position the switches and controls for lead unit operation.  The next sequence of stpes is to:
    Place the automatic brake in the release position, adjusting the equalizing reservoir if necessary followed by cutting in the automatic brake.

    REF: 5355 ABTH
  60. When testing the locomotive handbrake, if the locomotive move but stops within 10 feet after placing the throttle in idle, what should be done?
    Consider the handbrake effective.

    REF: 5356 ABTH
  61. When leaving a locomotive consist unattended with the engine running while not coupled to a train, what is the proper position of each of the following devices?

    1.  Throttle:
    2.  Reverser:
    3.  Handbrake:
    4.  Isolation Switch:
    • 1.  IDLE.
    • 2.  Removed.
    • 3.  Applied.
    • 4.  ISOLATE.

    REF: 5357 ABTH
  62. When leaving a locomotive consist unattended that is not coupled to a train, place the independent brake in the ______ position and the automatic brake in the ______ position.

    REF: 5357 ABTH
  63. When leaving a locomotive consist unattended with the engine runnning, what is the proper positioin of each of the following switches?

    1.  Engine Run:
    2.  Generator Field:
    3.  Control/Fuel Pump:
    • 1.  OFF.
    • 2.  OFF.
    • 3.  ON.

    REF: 5357 ABTH
  64. For fuel conservation, Automatic Engine Start and Stop system (AESS) equipped locomotives need only be  ______ for compliance.

    REF: 5401 ABTH
  65. For fuel conservation, when the train or locomotives is stopped, the engineer must do what 3 things?
    1.  Center the reverser lever to activat the low idle feature.

    2.  Allow the Auxiliary Power Unit to operate on equipped units.

    3.  Allow Automatic Engine Start Stop (AESS) to operate on equipped units.

    REF: 5401 ABTH
  66. What position on an automatic brake is used to reset a penalty application?
    Suppression Position.

    REF: Appendix A ABTH
  67. What is the minimum continuous speed for a locomotive consist?
    The highest minimum continuous speed of any of the on-line locomotive in the consist.

    REF: 5404 ABTH
  68. What is the minimum continuous speed of a locomotive consist with CSXT unit numbers 5102, 8820, 8502, and 8177?

    REF: Appendix E ABTH
  69. When the diesel engine shuts down in freezing weather and cannot be restarted, what action must be taken with regard to the cooling system?
    Drain the engine, unless the locomotive is equipped with an operable APU.

    REF: 5406 ABTH
  70. What is required when the ground relay causes the locomotive to be isolated or causes a traction motor to be cut out?
    Make sure that the wheels are turning freely.

    REF: 5407 ABTH
  71. What is the procedure when a locomotive is not equipped with ditch lights or both ditch lights fail en route?
    Do not exceed 20 MPH while the locomotive operates over a highway crossing at grade.

    REF: 5411 ABTH
  72. The number of powered axles in use must not exceed _____ on a helper locomotive when the helper locomotive is shoving a train.
    12 powered axles.

    REF: 5502 ABTH
  73. The number of powered axles in use must not exceed _____ when all operating locomotives are shoving a train or cut of cars totaling more that 50 cars, and every locomotive in the consist and within 20 cars of the consist are equipped with alignment control couplers.
    15 powered axles.

    REF: 5502 ABTH
  74. True or False:
    When a reduction of  powered axles is necessary, isolate locomotive from the front of the consist to the rear.

    REF: 5502 ABTH
  75. The number of powered axles in use must not exceed ______ for the operating locomotives that are pulling a train or cut of cars.
    24 powered axles.

    REF: 5502 ABTH
  76. Calculate the number of powered axles in a locomotive consist with CSXT unit numbers 7650, 4401, 5102, and 5930.
    23 powered axles.

    REF: Appendix E ABTH
  77. Do not make throttle changes to accelerate a train having long cars in the head 1/3 of it's length while what condition exists?
    While the long cars are passing through crossovers, turnouts or sharp curves.

    REF: 5504 ABTH
  78. How must the throttle be adjusted at least 8 seconds before reaching a railroad crossing at grade or lift rails of a drawbridge when your locomotive consist contains one or more DC powered locomotives at speed above 25 MPH?  (2 Answers)
    1.  If the throttle is in a position above # 4, reduce to # 4 position.

    2.  If the throttle is in position # 4 or lower, reduce to the next lower position.

    REF: 5504 ABTH
  79. When using the independent brake while operating a locomotive consist that has 20 or more axles, use extreme caution at speeds below _____ MPH.
    15 MPH.

    REF: 5505A ABTH
  80. Do not use the independent brake at speeds above ______ MPH to control or retard movement of a locomotive consist with cars attached.
    15 MPH.

    REF: 5505A ABTH
  81. When operating locomotive consists with _____ or more axles, keep brake cylinder pressure below _____ PSI when controlling speed or stopping.
    20 / 25

    REF: 5505A ABTH
  82. You must actuate the brakes for at least how many seconds when you have 8 locomotives in the consist?
    32 Seconds

    REF: 5505B ABTH
  83. What are 3 indications that a train's air brake system is not fully charged?
    1.  Air flow indicator reading is higher than what it had been before the previous brake application.

    2.  Brake pipe pressure on the rear car is lower than what it was before making the previous brake application.

    3.  A shorter brake pipe exhaust than when the brake system was fully charged.

    REF: 5505C ABTH
  84. When using the automatic brake and operating conditions permit, wait at least _____ seconds after the initial brake pipe reduction before following it with additioinal reductions of _____ to _____ PSI each.
    20 Seconds / 2 to 3 PSI.

    REF: 5505C ABTH
  85. When using the train brakes, you feel that the brakes are not holding or slowing the train's speed properly.  What should you do?
    Stop the train.  if necessary, use an emergency brake application.

    REF: 5505C ABTH
  86. Except for emergency applications, avoid making brake pipe reductions after brake pipe pressure reaches the point of equalization.  Doing so:  (3 Answers)
    1.  Provides no additional braking effort.

    2.  Serves only to waste air pressure.

    3.  May eliminate the ability to make an emergency application.

    REF: 5505C ABTH
  87. When using the automatic brake, the initial brake pipe reduction must be:
    6 to 8 PSI when the system is fully charged and at least 3 PSI greater that the total previous reduction when the train brake system is not fully recharged.

    REF: 5505C ABTH
  88. When reducing the dynamic brake axle value, cut out the dynamic brake:
    On any unit except the controlling unit.

    REF: 5505D ABTH
  89. When using the dynamic brake while the lead 1/3 of the train is passing through turnouts or crossovers and the dynamic brake axle value exceed _____, do not exceed dynamic brake position _____.
    12 axles / Position # 4.

    REF: 5505D ABTH
  90. The maximum dynamic brake axle value for a locomotive consist when all units have alignment control couplers is?
    24 axles.

    REF: 5505D ABTH
  91. What is the dynamic brake axle value of a locomotive consist with CSXT unit numbers 5122, 6462, and 4831?

    REF: Appendix E ABTH
  92. When starting a train, keep the locomotive speed steady and do not exceed _____ MPH until the entire train is moving.
    2 MPH.

    REF: 5551 ABTH
  93. When using the automatic brake in conjunction with the dynamic brake and you need to release the brakes, you will:
    Wait for the automatic brake to fully release while keeping the dynmic brake applied.

    REF: 5553 ABTH
  94. When making a running release of the train brakes after desired braking is accomplished, train brakes may be released if what 3 conditions have been met?
    1.  The brake pipe is not exhausting.

    2.  You have made at least a 10 PSI reduction of the brake pipe.

    3.Brakes on the entire train will be released before the train speed is reduced below 10 MPH.

    REF: 5554 ABTH
  95. When cutting away from a train, you must first make a _____.  After cutting away from an engineer must _____.
    Full service application / Place rtain in emergency using two-way telemetry if equipped.

    REF: 5556 ABTH
  96. How do you condition the train brakes while the train is stopped?
    Maintian at least a 10 PSI brake pipe reduction, but not more than a full service reduction until the train is required to move.

    REF: 5556 ABTH
  97. When leaving your train unattended, in addition to applying sufficient handbrakes, you will:
    Make a full service reduction.

    REF: 5556 ABTH
  98. If possible, when operating through an area with a temporary speed restiction: (3 Answers)
    1.  Release the train air brakes before entering the restriction and do not exceed dynamic brake position # 4.

    2.  Use the lowest possible throttle position for starting or moving the train.

    3.  Minimize changes in train speed or slack condition and limit locomotive brake cylinder pressure.

    REF: 5558 ABTH
  99. When descending a steep grade (1% or more), what must you do as soon as it becomes apparent that the train speed cannot be maintained at or below maximum allowable speed?
    Place train in emergency.

    REF: 5559A ABTH
  100. When descending a steep grade (1% or more), if a train requires an _____ PSI or greater brake pipe reduction to control speed to balance the grade, the train must be immediately stopped with the train brakes, using emergency if necessary.
    18 PSI.

    REF: 5559A5 ABTH
  101. What are you required to do when your train, with locomotive consist of 9000 horsepower, is cresting a steep grade (1% or more) at 14 MPH?
    Gradually reduce throttle to at least # 6 position just before the locomotive crests the grade.  Do not increase the throttle position until the train speed increases.

    REF: 5559B ABTH
  102. True or False:
    in helper service, the engineer on the lead locomotive consist operates the train brakes.

    REF: 5601 ABTH
  103. When adding a helper to a train, before coupling the brake pipe hoses and opening the angle cocks, the automatic brake valve must be _____ and in the  _____ position.
    Cut Out / Handle Off.

    REF: 5603 ABTH
  104. If a helper equipped train experiences an emergency brake application, the brake cylinder pressure on the helper locomotive should be actuated to _____ PSI or less to minimize in train forces.
    25 PSI.

    REF: 5604 ABTH
  105. True or False:
    It is permissible for a train to cut the helper off without stopping unless equipped with a "helper link" or similar device.

    REF: 5605 ABTH
  106. While operating on a grace and the dynamic brake on your locomotive consist fails while in use, what are you expected to do?
    Apply the independent brake immediately to avoid a rapid run-out of slack.  If necessary, make brake pipe reductions sufficient to control the speed and compensate for the loss of the dynamic braking force.

    REF: 5652 ABTH
  107. The brake pipe pressure on the rear of a moving train drops to 45 PSI or below.  What is required?
    Immediately make an emergency application.

    REF: 5653 ABTH
  108. True or False:
    When an undesired emergency application occurs or when an emergency situation arises and it becomes necessary to place the train air brakes in emergency, the engineer must operate the two-way EOT emergency toggle switch as quickly as possible.

    REF: 5655 ABTH
  109. To comply with the requirements to have two-way telemetry capability, the train must be equipped with what 3 devices?
    1.  The controlling locomotive must have an operative HTD capable of two-way operation.

    2.  The rear car must have an operative EOT capable of two-way operation.

    3.  The readouts of the EOT and HTD must not differ by more than 3 PSI.

    REF: 5752 ABTH
  110. What are the steps required for arming telemtry for two-way operation? (4 Steps)
    1.  Enter the ID code of the EOT into the HTD. 

    2.  Press the TEST button on the EOT.

    3.  Press the appropriate ARM NOW button on the HTD.

    4.  Make certain that the emergency capability is established as indicated by an EMERG ENABLED or ARMED message.

    REF: 5800 ABTH
  111. True or False:
    While en route your EOT fails.  After replacing and arming the EOT, you are NOt required to test the emergency capability.

    REF: 5850 ABTH
  112. True or False:
    To disarm the emergency capability of two-way telemetry, change the EOT ID Code to 00000 and press the appropriate button to disarm.

    REF: 5900 ABTH
  113. What 4 conditions are considered as en route failures of two-way telemetry?
    1.  When it cannot be successfully armed at a location other than the point of train origination.

    2.  DEAD BAT (dead battery) and REPL BAT (replace battery) indications.

    3.  DISARMD (disarmed) and VALVFAIL (valve failure) indications.

    4.  FRNOCOM (fron-to-rear no communication) indication.

    REF: 5951 ABTH
  114. Your freight train requires two-way telemetry.  You have an en route failure.  Which of the following statements is most correct?

    1.  You may not exceed 30 MPH and you may not move the train on 1% grades.

    2.  You may not move the train on 2% grades.

    3.  You may not exceed 30 MPH and you may not move the train on 2% grades.

    4.  You may not continue operation.

    REF: 5953 ABTH
  115. In order for the locomotive independent brake to be cut in, the double-ported cut-out cock or MU-2-A valve must be in what position?
    In (Open), Lead or Dead.

    REF: Appendix A3A ABTH
  116. How many times can you reset the crankcase overpressure device?
    Never, the diesel engine must remain shut down.

    REF: Student Guide
  117. Where is the overspeed device located on EMD engines?
    On the front of the diesel engine, behind the governor.

    REF: Student Guide
  118. Where is the crankcase overpressure device located on an EMD locomotive?
    Left front corner of the engine.

    REF: Student Guide
  119. On an EMD locomotive, what happens when the low water pressure device trips?
    The low water button protrudes, low oil pressure device (LOPD) trips shutting the diesel engine down.

    REF: Student Guide
  120. On EMD locomotives, what happens when the LOPD activates?
    The engine shuts down and the low oil reset protrudes (located on the front of the governor).  the alarm bell rings and the governor shutodaown alarm light is lit on the affected unit.

    REF: Student Guide
  121. What is the purpose of the overspeed device on a diesel engine?
    To shutdown the diesel engine when the maximum safe engine RPM is exceeded.

    REF: Student Guide
  122. Where is the overspeed device located on a GE locomotive?
    Rear right corner of the diesel engine, below and to the right of the governor.

    REF: Student Guide
  123. What is indicated if fuel is found in the bypass sight glass?
    Fuel filters are becoming restricted.

    REF: Student Guide
  124. Where is the low water pressure device located on an EMD locomotive?
    Left front corner of the diesel engine.

    REF: Student Guide
  125. The locomotive is equipped with either duplex air gauges or a computer display that provides the engineer with information about air pressures.  What are the names of these gauges or displays?
    Brake Cylinder, Brake Pipe, Main Reservoir, Equalizine Reservoir.

    REF: Student Guide
  126. What gauge on the engineer's control stand indicates the rate of flow of brake pipe pressure to the train?
    Air Flow Indicator.

    REF: Glossary ABTH
  127. When will the freight car air brake control valve move to the release position? 
    Whenever the brake pipe pressure is increased to 1 1/2  to 2 PSI above that in the auxiliary reservoir.

    REF: Student Guide
  128. The air brake control valve on a freight car reacts to changes in the brake pipe and thereby controls:  (3 Answers)
    1.  The charging of the reservoirs.

    2.  Applying the air brakes.

    3.  Releasing the air brakes.

    REF: Student Guide
  129. During initial braking, what happens in the brake cylinder when you make a minimum reduction?
    You get 10 to 12 PSI brake cylinder pressure on each car in your train to gradually adjust train slack.

    REF: Student Guide
  130. What position on an automatic brake is used to apply the maximum service application of the train brakes without applying an emergency application?
    Full Service.

    REF: Student Guide
  131. When should the automatic brake be cut out?  (3 Answers)
    1.  The locomotive is the controlling unit of the in-train or rear-of-train helper.

    2.  The locomotive is the trailing locomotive.

    3.  Making a brake pipe leakage teset using the brake pipe leakage method.

    REF: Student Guide
  132. How should the automatic brake handle be positioned on the trailing units in a locomotive consist or controlling unit of an in-train or rear-of-train helper?
    Handle Off.

    REF: Appendix A ABTH
  133. What position on the automatic brake vale is used to create or reset an emergency brake application?
    Emergency Position.

    REF: Appendix A ABTH
  134. What position would the automatic brake cutout valve be in on a trailing unit?
    CUT OUT.

    REF: Appendix A ABTH
  135. The purpose of the release position on an automatic brake valve is to:
    Release the brakes on the locomotive and the train.

    REF: Appendix A ABTH
  136. Correctly name, IN ORDER, the 8 positions of the automatic brake valve, starting with the release position.
    • 1.  Release.
    • 2.  Minimum Reduction.
    • 3.  Service Zone.
    • 4.  Full Service.
    • 5.  Suppression.
    • 6.  Over Reduction.
    • 7.  Handle Off.
    • 8.  Emergency.

    REF: Appendinx A & B ABTH
  137. What rule violations would result in your certification as a locomotive engineer being revoked?  (4 Answers)
    1.  Entering a work authority without permission of the employee-in-charge.

    2.  Failure to stop and provide flag protection over a public road crossing that has been required by train message or special instruction.

    3.  Entering TWC block without obtaining proper authority.

    4.  placing your grip on the deadmand foot pedal.

    REF: Student Guide
  138. True or False:
    each locomotive engineer who has received a certificate shall have that certificate in his or her possession while on duty as an engineer and display that certificate upon request to do so from the FRA or company officer.

    REF: Student Guide
  139. How should the independent brake handle be applied on trailing units in the consist?

    REF: Appendix A ABTH
  140. Each certified locomotive engineer shall report motor vehicle incidents to the employing railroad within _____ hours of being convicted for or completed state action to cancel, revoke, suspend or deny a motor vehicle license.
    48 Hours.

    REF: Student Guide
  141. With desktop control stands, how may the locomotive brakes be fully released after an automatic brake application?
    By placing the independent brake handle in the release position and pushing it to the right or pressing the pushbutton located on the independent or automatic brake handle.

    REF: Student Guide
  142. Name the 4 handle positions, features and zones on an independent brake.
    • 1.  RELEASE.
    • 2.  ACTUATING.

    REF: Appendix A ABTH
  143. What is the purpose of the release position on an independent brake?
    To release the brakes on the locomotive consist after an independent brake application.

    REF: Appendix A ABTH
  144. How should the double-ported cut-out cock or MU-2-A valve be positioned when the locomotive is in a lead or controlling position?
    In a lead or open position.

    REF: Appendix A ABTH
  145. With conventional brakes and EAB upright control stands (ie. 26 brake), how may the locomotive brakes be fully released after an automatic brake application?
    By placing the independent brake handle in the release position and holding the handle in the actuating position.

    REF: Appendix A ABTH
  146. When will certified locomotive engineers notify the employing railroad if the person;s best correctable vision or hearing has deteriorated to the extent tha thte person no longer meets one or more of the prescribed vision or hearing standards?
    Prior to any subsequent operation of a locomotive or train.

    REF: Student Guide
  147. Which of the following is a Decertification Event with respect to locomotive engineer certification?

    1.  Failure to adhere to procedures for the safe use of train or engine brakes when procedures are required for compliance with Class I, II, III, Transfer Train Brake tests.

    2.  Failure to ahere to limitations concerning train speed when the speed at which the train was operated exceeds the maximum authorized limit by at least 10 MPH.

    3.  Occupying main track or a segment of main track without proper authority or permission.

    4.  Failure to control a locomotive or train in accordance with signal indication, excluding a hand or radio signal indication or a switch, that reqquires a complete stop before passing it.
    All of the above.

    REF: Student Guide
  148. You are operating your train at restricted speed and you fail to stop within 1/2 the range of vision, resulting in an FRA reportable accident or incident.  Which Decertification Event did you violate?

    REF: Student Guide
  149. When a train is delayed en route and the temperature is above 32 degrees, the engineer should:  (3 Answers)
    1.  Permit one engine to idle to supply air to the train's brake system.

    2.  Center the reverser lever to allow any locomotive on-line having AESS or APU system to function.

    REF: 5401 ABTH

    3.  Manually shut down locomotives without a fuel saving device, such as AESS or APU.
  150. Main reservoir pressure should be between:
    130 and 145 PSI.

    REF: 5060 ABTH
  151. True or False:
    Main reservoir air pressure must be at least 15 PSI more than the brake pipe pressure for the air brake to work properly.

    REF: 5060 ABTH
  152. True or False:
    The engineer may cut out or annul a safety device without authorization.

    REF: 5402 ABTH
Card Set
Mechanical and ABTH Final Study Guide Questions
Study Guide Questions for the Mechanical and ABTH Final Exam.