Practice Test: Question Set - 01
1. Which one of the following is the base metal for the process 'hot dip coating’?
- (A) Mainly
ferrous
- (B) Mainly
non-ferrous
- (C) Aluminium
- (D) Zinc
2. The direction of the predominant surface pattern ordinarily determined by the production method is known as
- (A) Lay
- (B) Roughness
- (C) Waviness
- (D) Surface
texture
3. Which one of the following indicates the Ra value?
- (A) 0.0001 mm
- (B) 0.00001 mm
- (C) 0.000001 mm
- (D) 0.0000001 mm
4. Which among the following processes is employed for embedding the abrasive on the lap?
- (A) Lapping
- (B) Fixing
- (C) Charging
- (D) Rubbing
5. A product is said to have the quality when
- (A) Its shape
and dimensions are within the limits
- (B) It appears
to be very good
- (C) It is fit
for use
- (D) The choice
of material is right
6. Silver or copper finishes are generally used on lighting fittings, name plates etc. Which one of the following is the process for this?
- (A) Chemical
finishing
- (B) Electroplating
- (C) 'Oxidized'
finishing
- (D) Phosphate
finishing
7. For general purpose the roughness values are graded into 12 grades designed as
- (A) N-0 to N-12
- (B) 0 to 12
- (C) N-1 to N-12
- (D) 1 to 12
8. One micro-inch is equal to
- (A) One-tenth of
an inch
- (B) One-hundredth
of an inch
- (C) One
thousandth of an inch
- (D) One
millionth of an inch
9. Which among the following is the movement of the honing machine during operation?
- (A) Horizontal
- (B) Vertical
- (C) Reciprocating
- (D) Vertical and
reciprocating
10. Which one of the following materials is used for making flat lapping plate?
- (A) Mild steel
- (B) High carbon
steel
- (C) Closed grain
cast iron
- (D) Chromium
steel
11. In an aluminium etching treatment, if the solution having 2% nitric acid, 2% sulphuric acid and 0.5% hydrochloric acid, is used at 100 Degree Centigrade for 15 minutes, what type of finish can be obtained?
- (A) Grey finish
- (B) Silvery
finish
- (C) White finish
- (D) Purple
finish
12. The direction of finishing is known as
- (A) Flaw
- (B) Lay
- (C) Waviness
- (D) Roughness
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