Different Cutting Tools used by Machinist - Set 08

Practice Test: Question Set - 08

1. Which one of the following is the hardest cutting tool material?
    (A) Diamond
    (B) Ceramics
    (C) Cermets
    (D) Cemented carbide
2. Which one of the following metals does not require any coolant during reaming?
    (A) Aluminium
    (B) Cast iron
    (C) Copper
    (D) Steel
3. It is the process of removing very small chips from metal surfaces by means of a sharp-edge tool. What is this tool called as?
    (A) Scraper
    (B) Chisel
    (C) Hacksaw
    (D) Reamer
4. Which one among the following materials can be cut with a rasp cut file?
    (A) Steel
    (B) Cast iron
    (C) Wood
    (D) Bronze
5. Snagging is a process used to remove the metal by
    (A) Filing
    (B) Hacksawing
    (C) Chipping
    (D) Grinding
6. A Dia 6H7 hole is to be reamed in a steel workpiece. What size of drill will be required?
    (A) 5.5 mm
    (B) 5.8 mm
    (C) 6.0 mm
    (D) 6.2 mm
7. The point angle of twist drill for general purpose is
    (A) 135°
    (B) 118°
    (C) 90°
    (D) 60°
8. The most suitable pitch of the hacksaw blade for cutting thin section tubes is
    (A) 0.8 mm
    (B) 1.0 mm
    (C) 1.4 mm
    (D) 1.8 mm
9. The lip clearance angle of twist drill for general purpose should be
    (A) 3° to 5°
    (B) 4° to 8°
    (C) 8° to 12°
    (D) 12° to 15°
10. Which among the following is NOT the factor for selection of cutting speed and feed for reaming a hole with a machine reamer?
    (A) Material of the job
    (B) Material of the reamer
    (C) Diameter (size) of the reamer
    (D) Rigidity of the fixture
11. A die nut is nothing but
    (A) A nut forged by using dies
    (B) A die in the shape of a nut
    (C) A nut for tightening the die in the die stock
    (D) A die which is used for cutting threads in nuts
12. A short reamer with an axial hole used with an arbor or mandrel is called
    (A) Parallel reamer
    (B) Adjustable reamer
    (C) Expansion reamer
    (D) Chucking reamer
13. Which one of the following bonds is most commonly used on grinding wheels?
    (A) Vitrified
    (B) Rubber
    (C) Shellac
    (D) Silicate
14. Balancing of wheel is done to
    (A) Make the sides of the wheel parallel
    (B) Make the outside diameter concentric with the bore
    (C) Equalize the weight in every position of the wheel
    (D) None of the above
15. For cylindrical grinding a small diameter work with fairly large wheel, which among the following grades of wheel should be used?
    (A) Soft
    (B) Medium
    (C) Hard
    (D) Very soft
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