1) Which one of the following is the purpose for providing grooves on the lapping plate?
To collect cutting chips
To reduce friction
To prevent distortion of the lapping
2) Which among the following processes is employed for embedding the abrasive on the lap?
Lapping
Rubbing
Fixing
Charging
3) Which among the following is the movement of the honing machine during operation?
Vertical
Horizontal
Reciprocating
Vertical and reciprocating
4) Which one of the following is the purpose of providing lengthwise grooves on the adjustable cylindrical lap?
To reduce friction.
To retain lapping paste.
To prevent distortion of the adjustable cylindrical lap.
To provide expansion.
5) Which one of the following abrasives are used for honing non-ferrous metals?
Boron carbide
Aluminium oxide
Diamond
6) Which among the following abrasives is used for honing tungsten steel?
Aluminum oxide
Silicon carbide
Diamond
Boron carbide
7) Which one of the following abrasives are used for lapping gauges?
Silicon carbide
Diamond
Aluminium oxide
Boron carbide
8) Which among the following abrasives is used for lapping soft steel?
Silicon carbide
Diamond
Boron carbide
Aluminum oxide
9) Which among the following materials is used for making flat lap plates?
Chromium steel
High carbon steel
Mild steel
Closed grain cast iron
10) Which one of the following statements is NOT true about lapping?
It is an abrasive process
It is a slow process
Tight tolerances can be obtained by lapping
It uses bonded abrasives
11) Apart from honing machine, the honing operation can be carried out on ...............
A) Lathe machine
B) Drilling machine
C) Both (A) and (B)
D) None of the above
12) By the superfinishing operation, up to ............... mm can be removed.
0.050
0.075
0.025
0.090
13) The following operation is performed after polishing.
Superfinishing
Tumbling
Burnishing
Buffing
14) When compared in which process large amount of material is removed.
Buffing
Lapping
Superfinishing
Honing
15) Lapping is not suitable for
Tungsten
Lead
Brass
Copper
16) Honing is used for finishing
(A) External cylindrical surface
(B) Internal cylindrical surface
(C) Both (A) and (B)
(D) None of the above
17) Which of the following is a surface finishing operation?
Drilling
Milling
Turning
Honing
18) Which of the following process have the lowest metal removal rate?
Honing
Drilling
Milling
Reaming
19) Which of the following is not an abrading process?
Honing
Lapping
Grinding
20) Honing is used to ..............
correct ovality
the correct waviness of axis
correct non-parallelism of cylindrical features
All of the above
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