Surface Finish Objective Test Paper - ITI Machinist - ObjectiveBooks

Surface Finish Objective Test Paper - ITI Machinist

Practice Test: Question Set - 03


1. A block level can be used for
    (A) Checking vertical alignment only
    (B) Checking horizontal alignment only
    (C) Checking angular alignment only
    (D) Checking vertical and horizontal alignment

2. Stoving finishes, retain their color during the stoving process which is done in a convection over at?
    (A) 90°C to 100°C
    (B) 110°C to 120°C
    (C) 130°C to 140°C
    (D) 150°C to 160°C

3. The value of one micron is
    (A) 0.00001 mm
    (B) 0.0001 mm
    (C) 0.001 mm
    (D) 0.01 mm

4. The pattern of the work surface caused by the movement of the cutting tool is known as
    (A) Surface texture
    (B) Roughness
    (C) Roughness spacing
    (D) Waviness

5. The stylus of the surface indicator is made of
    (A) Mild steel
    (B) High carbon steel
    (C) High speed steel
    (D) Diamond

6. Which one of the following processes is used to convert the surface of steel into a high chromium iron?
    (A) Colorizing
    (B) Sherardizing
    (C) Chromizing
    (D) Vitreous enameling

7. Which one of the following processes is used for removing scratches from the previous operation?
    (A) Enameling
    (B) Painting
    (C) Oxidation
    (D) Polishing

8. Which one of the following is the purpose for providing lengthwise grooves on the adjustable cylindrical lap?
    (A) To retain lapping paste
    (B) To provide expansion
    (C) To reduce friction
    (D) To prevent distortion of the adjustable cylindrical lap

9. Which one of the following abrasives is used for lapping gauges?
    (A) Aluminium oxide
    (B) Silicon carbide
    (C) Diamond
    (D) Boron carbide

10. It must be remembered that one micron is equal to
    (A) 10 micro-inch
    (B) 20 micro-inch
    (C) 25 micro-inch
    (D) 40 micro-inch

11. Which one of the following is the application for 'Alumina' polishing abrasive?
    (A) Bar composition for finishing
    (B) Finishing of precious metals
    (C) Used in lump form on wheels for grease removal
    (D) Hard abrasive for cutting or polishing

12. Which one of the following statements refers to the control of product quality?
    (A) Evaluating the quality of the end product
    (B) Analysis of the information and data obtained from the field
    (C) Feedback of the production processes
    (D) Combining evaluation, analysis and feedback

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