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Proper work element numbers on the employee's time cards facilitate proper?
A.) Labor cost accounting.
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How many consecutive days are allowed for bereavement of a spouse?
B.) Three.
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Electric traction employees must attend AMT-2?
C.) Once a year
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Which of the following forms is used to request materials?
C.) Mr.
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A Forman is responsible for verifying that their personal have which of the following qualifications?
D). RWP, AMT-2, CPR/FIRST AID.
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All Substation control functions originate in the?
A).R.T.U. Batteries
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What is the path of rail return current that returns to the substation?
C.) Static Line
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How many bells are there in transmission dead ends in the substation?
C.) 13.
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What is the standard rating of a primary fuse for a Potential Transformer?
A.) .5 amps 15kv
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Switchboard wiring should be a minimum of?
A.) 12 awg.
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What is the voltage of a 25hz service transformers secondary?
C.) 240 VAC
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Each Power Transformer is protected by a back-up?
A). CO relay
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What is the function of Potential Transformers?
D.) Potential lamps and relay protection.
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How are subtractive Transformer leads marked for polarity?
-
Power Transformers are protected against internal faults by what relay?
B.) CA
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What is the secondary current on a 4500kva Transformer at 100% load?
B.)375 amps
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What is the primary current on a 4500kva Transformer at 100% load?
A.) 32.6 amps
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We blanket the Transformer with what average pressure of nitrogen?
B.) 5lbs
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What is the turns ratio of 4500kva step-down transformer?
B.) 11.5/1
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Periodic overhauls of substation breakers are performed Every?
B.) 6 months
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Trolley breakers are rated at?
D.) 35000 volts, 1500 amps
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A minimum acceptable megger reading for a control cable is any wire that meggers at least?
A.) 1 megohm
-
The megger used to test control cable insulation generates what type of voltage?
B.) DC
-
When meggering the primary of a 4500kva Transformer, the voltage is set at?
B.) 1000 volts
-
What is the standard wire gauge used in a current Transformer circuits?
A.) 10 AWG
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A cable containing wire designations of F, S, Q and O would be a?
C.) Current Transformer cable.
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If one leg of the 13kv transmission goes to ground, which relays will trip the low side breaker?
B.) CO Balance, CV
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When transmission short-circuit occurs, the low side breaker will clear the line by means of which relay?
C.) CR relay
-
Amtrak's 25 cycle transmission lines are energized at?
C.) 138,000
-
What is the safe working distance Amtrak employees must maintain from an energized transmission line?
B.) 8ft.
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What is the safe working distance that Amtrak's equipment must maintain from an energized transmission line?
C.) 15 feet
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Damaged impedance bonds are considered?
B.) Energized and Dangerous to life
-
The system of tracks, impedance bonds, cables and jumpers that provide a path for current back to the substation is called the?
A.) Rail Return circuit
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What type of meter is used to measure rail return current?
D.) Clamp on ammeter
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Where does the rail return connect inside the Substation?
C.) The rail return bus
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Why is all of the 25hz Substation equipment grounded?
A.) Electrolysis
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What is the wire size of the main rail return bus in the substation?
B.) 400-500 mcm
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Which of the following is the voltage and frequency of the ABK Signal machine motors?
C.) 480 Volts, 60 cycle
-
The new signal M.G. sets are protects from motor under voltage by which relays?
A.) 27 and 47
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Which breakers feeds the signal machine motors?
A.) 52 breakers
-
When operating hook-stick type high tension disconnecting switches, what approved protective equipment must be used?
D.) Switch pole and rubber gloves
-
Before entering a Signal machine enclosure, always wear?
C.) Ear Protection
-
What is the normal voltage and frequency that the Signal machine generates?
B.) 480 Volts, 100 cycle
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Signal line feeder breakers are equipped for automatic reclosure for what type of fault?
A.) line Undervoltage
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If you are at a signal machine location and there is an automatic operation, an employee should call the?
D.) Power Director.
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What does a specific gravity reading of 1.000 indicate?
D.) The cell is not charging
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The fluid inside a battery is called?
C.) Electrolyte
-
Batteries should be tested?
C.) Semi-annually
-
The station battery provides?
A.) Direct Current to operate substation equipment.
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Expansion tanks are used on which types of Transformers?
B.) Allis Chalmers & General Electric
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