Screw Threads Multiple Choice Questions and Answers - Set 01 - ObjectiveBooks

Screw Threads Multiple Choice Questions and Answers - Set 01

Practice Test: Question Set - 01


1. Threads are cut on a lathe with a single point tool by:
    (A) Setting the correct speed
    (B) Setting one cut for full depth of the thread
    (C) Making a series of cuts in the same cut
    (D) Moving the carriage by means of rack

2. Which one of the following screw thread forms has an included angle of 29° between the flanks of thread?
    (A) B. A. thread
    (B) Acme thread
    (C) Buttress thread
    (D) Knuckle thread

3. B.S.F. threads have the included angle of:
    (A) 30°
    (B) 45°
    (C) 55°
    (D) 60°

4. B.S.F. screw threads are generally used for:
    (A) Ordinary bolts and nuts
    (B) Electrical goods
    (C) Lathe lead screw
    (D) Vice spindle

5. Which one of the following elements of an external screw thread cannot be measured directly with precision instruments?
    (A) Width of crest
    (B) Minor diameter
    (C) Major diameter
    (D) Pitch diameter

6. Which one of the following thread groups is only for transmitting motion?
    (A) Square, Modified square, Acme, Buttress threads
    (B) Whitworth, Acme, Square, Buttress threads
    (C) Unified, Acme, Square threads
    (D) ISO Metric, Modified square, Acme threads

7. Which one of the following thread forms is mostly found on threaded shaft of lifting equipment for carrying loads?
    (A) 'V' thread
    (B) Square thread
    (C) Saw tooth thread
    (D) Knuckle thread

8. The distance through which a screw thread advances axially in one turn is called:
    (A) Pitch of thread
    (B) Lead of thread
    (C) Depth of thread
    (D) Diameter of thread

9. What type of threads are suitable for lead screws of machine tools?
    (A) British Association threads
    (B) Whitworth Screw threads
    (C) Acme threads
    (D) Square threads

10. Screw threads are produced without metal removing by a process called:
    (A) Thread cutting
    (B) Thread chasing
    (C) Thread rolling
    (D) Tapping

11. The shape of the frame of thread snap gauge is in the form of:
    (A) Round
    (B) Square
    (C) 'Y' type
    (D) 'C' type

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