Practice Test: Question Set - 02
1. What is the expansion of rpm used in drilling?
- (A) Revolution
per mile
- (B) Revolution
per meter
- (C) Revolution
per minute
- (D) Retardation
per minute
2. Which is an integrated part of beam of a Vernier caliper?
- (A) Fixed jaw
- (B) Depth bar
- (C) Thumb lever
- (D) Vernier
slide
3. Where is the drilling machine spindle head is fixed in radial drilling machine?
- (A) Base
- (B) Column
- (C) Radial arm
- (D) Auxiliary
table
4. What is the function of thumb lever of Vernier caliper?
- (A) For getting
least count
- (B) To take
internal measurement
- (C) To take
external measurement
- (D) To set
Vernier slide at any position
5. What is the mechanism used in a micrometer?
- (A) Lever
mechanism
- (B) Thread mechanism
- (C) Spring
mechanism
- (D) Plunger
mechanism
6. What is the maximum size of hole that can be drilled using an upright drilling machine?
- (A) Dia 20 mm
- (B) Dia 25 mm
- (C) Dia 32 mm
- (D) Dia 50 mm
7. What is the beveling angle for holes to be threaded?
- (A) 75°
- (B) 120°
- (C) 90°
- (D) 80°
8. What is termed as peripheral speed of drill?
- (A) Feed
- (B) Depth of cut
- (C) Cutting
speed
- (D) Cutting volume
9. What is a Vernier caliper?
- (A) Angular
measuring instrument
- (B) Indirect
measuring instrument
- (C) Precision
measuring instrument
- (D) Telescopic
measuring instrument
10. Calculate the cutting speed used for drilling a 20 mm dia meter hole in a mild steel work piece with a rpm of 399?
- (A) 20 m / min
- (B) 25 m / min
- (C) 30 m / min
- (D) 35 m / min
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