Screw Threads Industrial Training Objective Questions - ObjectiveBooks

Screw Threads Industrial Training Objective Questions

Practice Test: Question Set - 03


1. The shape of the thread in the NOT GO end of a thread snap gauge is:
    (A) Beveled
    (B) Truncated
    (C) Taper
    (D) Sharp

2. The depth of B.A. screw thread is:
    (A) 0.64 P
    (B) 0.7035 P
    (C) 0.6 P
    (D) 0.61 P

3. The distance between one point on a screw thread and the corresponding point on the next thread, measured parallel to the axis is called as:
    (A) Axis of thread
    (B) Dia of thread
    (C) Pitch of thread
    (D) Lead of thread

4. A screw thread is formed on a cylindrical surface by cutting:
    (A) Helical grooves
    (B) V - grooves
    (C) Square grooves
    (D) Half round grooves

5. The pitch diameter of a screw thread is the:
    (A) Nominal diameter of the rod
    (B) Imaginary diameter in between the major and minor diameters of the thread
    (C) Minimum diameter of the thread
    (D) Maximum diameter of the thread

6. Which one of the following statements is correct with respect to the spiral fluted taps?
    (A) Used to tap over sized holes
    (B) Used to tap holes with slots
    (C) The tap tends to push the chips ahead of the tap
    (D) Threads formed by displacing the work material

7. The depth of Indian Standard (BIS) thread is:
    (A) 0.6495 P
    (B) 0.6000 P
    (C) 0.6403 P
    (D) 0.6134 P

8. The root of ISO metric thread is:
    (A) Flat
    (B) Round
    (C) Sharp corner
    (D) None of the above

9. In a threaded assembly the contact between the male and female threads takes place on the:
    (A) Pitches
    (B) Flanks
    (C) Crests
    (D) Roots

10. Which one of the following screw thread elements is not checked with thread ring gauge?
    (A) Pitch diameter
    (B) Pitch
    (C) Helix angle
    (D) Profile

11. Which one of the following is the reason for rough and broken threads?
    (A) Thread cutting tool blunt
    (B) The size of hole or diameter of the blank for bolt is not correct
    (C) The flutes of cutting tool are filled with chips
    (D) All of the above

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