Practice Test: Question Set - 01
1. What mechanism is used to convert linear motion of plunger to rotary motion of pointer in D.T.I?
- (A) Back
gear mechanism
- (B) Rack
and pinion mechanism
- (C) Cam
and follower mechanism
- (D) Worm
and worm wheel mechanism
2. How to express feed in drilling?
- (A) m/rev
- (B) m/min
- (C) mm/rev
- (D) mm/hour
3. How does a lever type dial test indicator make the pointer rotation?
- (A) Back
gear mechanism
- (B) Rack
and pinion mechanism
- (C) Lever
and scroll mechanism
- (D) Worm
and worm wheel mechanism
4. Which one of the following operation is used to bevel the mouth of a drilled hole?
- (A) Reaming
- (B) Spot facing
- (C) Counter
boring
- (D) Counter
sinking
5. What is the effect while measuring if ratchet stop is not provided on micrometer?
- (A) Incorrect
read
- (B) Least count
increases
- (C) Least count
decreases
- (D) Increases
the life of micro meter
6. What is the least count of a Vernier caliper if 19 main scale divisions (19 mm) are divided into 20 equal parts in the Vernier scale?
- (A) 0.01 mm
- (B) 0.02 mm
- (C) 0.05 mm
- (D) 0.10 mm
7. What is the angle of counter sink rivet head?
- (A) 75°
- (B) 80°
- (C) 90°
- (D) 120°
8. Why the extreme care should be taken while handling Vernier caliper?
- (A) Measuring
instrument
- (B) Indirect
measuring instrument
- (C) Precision
instrument
- (D) Semi
precision instrument
9. Which gap from spindle face is considered as the reading of outside micrometer?
- (A) Anvil
- (B) Frame
- (C) Barrel
- (D) Thimble
10. How does the concentricity of shafts can be checked?
- (A) Using center
gauge
- (B) Using
Vernier caliper
- (C) Using
combination set
- (D) Using dial
test indicator
11. What is the purpose of counter sinks with pilot?
- (A) For rough
works
- (B) Light duty
works
- (C) Medium size
holes
- (D) To align
with drilled hole
12. Calculate the rpm for drilling a hole of dia meter 16 mm on cast iron with a cutting speed 30 m / minute?
- (A) 497 rpm
- (B) 597 rpm
- (C) 697 rpm
- (D) 797 rpm
13. What is the name of the graduation on the beam of a Vernier caliper?
- (A) Barrel
divisions
- (B) Thimble
divisions
- (C) Main scale
divisions
- (D) Vernier
scale divisions
14. What is the use of outside micrometer?
- (A) For depth
measurement
- (B) For angular
measurements
- (C) For internal
measurements
- (D) For external
measurements
15. What is the least count of the micrometer if the circumference of thimble is divided into 50 divisions and the pitch of thread is 0.5 mm?
- (A) 0.001 mm
- (B) 0.010 mm
- (C) 0.020 mm
- (D) 0.050 mm
16. Which type of drilling machine has a table with sliding motion in two directions, 90° to each other?
- (A) Portable
drilling machine
- (B) Sensitive
drilling machine
- (C) Box - column
type pillar drilling machine
- (D) Round column
type pillar drilling machine
17. What will happen, if reamer is removing out in anticlockwise direction while reaming?
- (A) Good surface
finish
- (B) Good
dimension accuracy
- (C) Rough
surface
- (D) Scratched
surface
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