Unit 4 Review Exercises

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  1. Why are aluminum alloy washers used with steel bolts on aluminum alloy parts in low-torque applications?
    A. prevent vibration
    B. prevent corrosion
    C. reduce shearing
    D. reduce shimming
    B. prevent corrosion
    (this multiple choice question has been scrambled)
  2. How are special bolts identified?
    A. the bolt head is marked with a triangle
    B. the bolt head is marked with the letter S
    C. by a galvanized-plated steel covering
    D. by a zinc-plated nickel steel covering
    B. the bolt head is marked with the letter S
    (this multiple choice question has been scrambled)
  3. Which bolt is never used in areas where tension is present but is often used as pins in control systems?
    A. clevis
    B. stud
    C. hexhead
    D. eyebolt
    A. clevis
    (this multiple choice question has been scrambled)
  4. Which bolt has a recessed head and is used in high-tension applications?
    A. stud
    B. internal wrenching type
    C. eyebolt
    D. hexhead
    B. internal wrenching type
    (this multiple choice question has been scrambled)
  5. Left-hand threads on a turnbuckle can be identified by the
    A. knurl beside the pin
    B. groove by the cable eye
    C. groove on the end of the barrel
    D. knurl beside the fork
    C. groove on the end of the barrel
    (this multiple choice question has been scrambled)
  6. Normally, what type of material is used in the construction of a pressure seal?
    A. thermo-setting plastic
    B. phenolic mix
    C. non-magnetic
    D. soft rubber
    D. soft rubber
    (this multiple choice question has been scrambled)
  7. A push-pull rod engagement is checked by
    A. inserting safety wire in the hole in the end of the terminal
    B. using an inside caliper to check the rod end bearing
    C. using a depth gauge to check end play
    D. ensuring that no lateral movement exists
    A. inserting safety wire in the hole in the end of the terminal
    (this multiple choice question has been scrambled)
  8. What is the interval that should be used for installing cushion clips on aircraft tubing?
    A. 15 to 20 inches
    B. 25 to 30 inches
    C. 20 to 25 inches
    D. 30 to 35 inches
    A. 15 to 20 inches
    (this multiple choice question has been scrambled)
  9. The allowable limit for nicks and scratches on a straight section of aircraft tubing is no deeper than
    A. 25% of wall thickness
    B. 20% of wall thickness
    C. 15% of wall thickness
    D. 10% of wall thickness
    C. 15% of wall thickness
    (this multiple choice question has been scrambled)
  10. Generally, low-pressure hoses are used for what pressures?
    A. 200 psi and below
    B. 1,000 psi and below
    C. 300 psi and below
    D. 500 psi and below
    C. 300 psi and below
    (this multiple choice question has been scrambled)
  11. The limit for securing closely spaced bolts in series when using the single-wire safety method is the maximum number of bolts that can be secured using a
    A. 10 inch length of wire
    B. 36 inch length of wire
    C. 24 inch length of wire
    D. 12 inch length of wire
    C. 24 inch length of wire
    (this multiple choice question has been scrambled)
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251003
Card Set
Unit 4 Review Exercises
Description
018-023
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