Surface Finish ITI Machinist MCQ Test Series - Set 01 - ObjectiveBooks

Surface Finish ITI Machinist MCQ Test Series - Set 01

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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