Practice Test: Question Set - 02
1. Which among the following statements is NOT correct?
- (A) Jig is used
for planning operations
- (B) Jig is used
for drilling operation
- (C) Jig is used
for indexing operation
- (D) Jig is used
for boring operation
2. Which among the following is a locator used for location from internal diameter?
- (A) Solid
supports
- (B) Pin type
locator
- (C) Vee locator
- (D) Nest locator
3. Which of the following metal have a fibrous structure?
- (A) Mild steel
- (B) Wrought iron
- (C) Cast iron
- (D) Bronze
4. What is the formula to find out the turn of crank (T) if the degree to be indexed (D) is given in angular indexing?
- (A) T = 9/D
- (B) T = D/9
- (C) T = D × 9
- (D) T = 2D/9
5. What is the ratio of worm and worm wheel mechanism in simple indexing?
- (A) 30:2
- (B) 30:3
- (C) 40:1
- (D) 40:2
6. Which one of the following is used to clamp the job in relation to the tool in mass production?
- (A) Jig
- (B) Fixture
- (C) Housing
- (D) Gauge
7. Which one of the following bushings is used to locate the renewable bushings?
- (A) Press fit
bushing
- (B) Liner
bushing
- (C) Special
bushing
- (D) Knurled
bushing
8. Which of the following material is more elastic?
- (A) Plastic
- (B) Steel
- (C) Cast iron
- (D) Aluminium
9. Which among the following jigs is used for location from a bore?
- (A) Plate jig
- (B) Solid jig
- (C) Post jig
- (D) Box jig
10. Which of the following property of metals helps to with stand wear and abrasion?
- (A) Machinability
- (B) Hardness
- (C) Toughness
- (D) Tenacity
11. Usually drill jig is not clamped to the drilling machine table. Which among the following is the reason for this?
- (A) It is rigid
enough for this operation
- (B) It is easy
for operation
- (C) Numbers of
holes of various sizes are normally being drilled in different settings
- (D) It is a more
time consuming device
12. Jig is a device which
- (A) Locates the
workpiece
- (B) Holds and
supports the workpiece
- (C) Guides the
cutting tool
- (D) Does all the
above
13. Which among the following is the purpose for providing bushings in a drill jig?
- (A) For easy
drilling
- (B) For
determining the size of the hole to be drilled
- (C) For locating
accurately and guiding the drill for precise drilling operation
- (D) For getting
good finished surface in the drilled holes
14. Which property of metal is desirable to make rivet heads?
- (A) Ductility
- (B) Malleability
- (C) Tenacity
- (D) Machinability
15. Which type of jig has hinged cover with latch clamps?
- (A) Box jig
- (B) Post jig
- (C) Table jig
- (D) Latch or
leaf jig
16. Drill jig bushings are generally made of
- (A) Mild steel
- (B) Cast iron
- (C) Cast steel
- (D) Tool steel
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