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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