Practice Test: Question Set - 02
1. The component of the surface texture upon which the roughness is superimposed is known as
- (A) Surface
roughness
- (B) Surface
texture
- (C) Lay
- (D) Waviness
2. Which one of the following statements is NOT correct?
- (A) Lay
is the direction of the predominant surface pattern, ordinarily determined by
the production method used
- (B) Normal
profile is the contour of a surface in a plane perpendicular to the surface,
unless some other angle is specified
- (C) One
micrometer is equal to one thousandth of a millimeter
- (D) Flaws are
irregularities, which occur at one place or at relatively frequent or widely
varying intervals in a surface
3. Which among the following abrasives is used for honing tungsten steel?
- (A) Aluminium
oxide
- (B) Silicon
carbide
- (C) Diamond
- (D) Boron
carbide
4. Ferrous components are sprayed with metal coating for prevention of corrosion. The metal spraying is done with the help of a gun or pistol having a suitable nozzle. In metal spraying
- (A) The metal is
sprayed in powder form on the surface of components
- (B) The metal is
sprayed in powder form on to the preheated surfaces
- (C) Molten metal
is sprayed on to the component surface by the gun
- (D) Tiny
particles of molten metal is sprayed with the help of blowing compressed air
5. Which type of polishing wheel is used for coloring and buffing of steel?
- (A) Bleached
filled Calico
- (B) Bleached
unfilled linen
- (C) Swan down
(Special cotton)
- (D) Felt of
various grades
6. The value of one micro-inch is
- (A) 0.000001"
- (B) 0.00001"
- (C) 0.0001"
- (D) 0.001"
7. The irregularities in the surface texture due to the inherent action of the production process is known as
- (A) Secondary
texture
- (B) Roughness
- (C) Waviness
- (D) Waviness
spacing
8. Which one of the following is the purpose for providing grooves on the Lapping plate?
- (A) To retain
lapping paste
- (B) To reduce
friction
- (C) To collect
cutting chips
- (D) To prevent distortion
of the lapping plate
9. Which among the following abrasives is used for lapping soft steel?
- (A) Aluminium
oxide
- (B) Silicon
carbide
- (C) Diamond
- (D) Boron
carbide
10. Which among the following terms is used for irregularities or imperfections that occur in isolating places in the surface without pattern?
- (A) Lay
- (B) Flaw
- (C) Roughness
- (D) Waviness
11. Which one of the following is the base metal for the sprayed metal process?
- (A) Mostly ferrous
- (B) Aluminium
- (C) All most all
metals
- (D) Mostly
non-ferrous metals
12. Which one of the following abrasives is used for honing non-ferrous metals?
- (A) Aluminium
oxide
- (B) Silicon
carbide
- (C) Diamond
- (D) Boron
carbide
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