Practice Test: Question Set - 03
1. What is the purpose of ‘depth stop’ in a drilling machine?
- (A) To drill big
holes
- (B) To flush out
chips
- (C) To measure
hole depth
- (D) To control
the down ward movement of drill
2. Which instrument is used for comparing and determining the variation in the size of compared?
- (A) Micrometer
- (B) Vernier
caliper
- (C) Combination
set
- (D) Dial test
indicator
3. What is the least count of metric Vernier micro meter?
- (A) 0.1 mm
- (B) 0.01 mm
- (C) 0.001 mm
- (D) 0.0001 mm
4. Which type of drilling machine is most suitable to drill in a very large and heavy work pieces?
- (A) Pillar
drilling machine
- (B) Radial
drilling machine
- (C) Portable
drilling machine
- (D) Sensitive
drilling machine
5. What is the distance a drill advances in one rotation while drilling?
- (A) Feed
- (B) Depth of cut
- (C) Cutting
speed
- (D) Cutting
length
6. What is the angle of beveled heads of counter sink head screws?
- (A) 75°
- (B) 80°
- (C) 90°
- (D) 120°
7. Which type of drilling machine is best suited to drill multiple holes in a work piece in a single setting?
- (A) Radial
- (B) Portable
- (C) Sensitive
- (D) Pillar type
8. What is the least count in a Vernier caliper if 9 main scale divisions (9mm) are divided in to 10 equal parts in the Vernier scale?
- (A) 0.02 mm
- (B) 0.05 mm
- (C) 0.10 mm
- (D) 0.20 mm
9. How much distance is moved by the spindle of micrometer in one rotation?
- (A) 0.50 mm
- (B) 0.75 mm
- (C) 1.00 mm
- (D) 1.50 mm
10. What is the function of ratchet stop in a micro meter?
- (A) Increases
accuracy
- (B) Strengthen
the spindle
- (C) Ensure
uniform pressure
- (D) Keeps high
pressure on anvil
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