Practice Test: Question Set - 06
1. The taper shank drills should be removed from the machine spindle by means of
- (A) Hammer
- (B) Tang
of file
- (C) Punch
- (D) Drift
2. Which among the following factors will NOT influence the selection of the cutting speed while performing operation on drilling machine?
- (A) Width
of job
- (B) Material
of job
- (C) Material
of tool
- (D) Operation
to be performed
3. The material of twist drill is generally
- (A) HSS
- (B) Carbide
steel
- (C) Diamond
- (D) Cast
steel
4. The symbol conventionally used for resinoid bond is
- (A) V
- (B) R
- (C) B
- (D) E
5. The effect of using a glazed or loaded wheel is
- (A) More
heat generation
- (B) Poor
surface finish
- (C) Excessive
cutting pressure between the wheel face and the work surface
- (D) All
of the above
6. Grinding with a balanced grinding wheel will make it possible to achieve the required
- (A) Dimensional
accuracy with surface finish
- (B) Positional
tolerance surface finish only
- (C) Positional
tolerance
- (D) Pattern
of lay
7. The width of a form tool should never exceed ________ times the smallest diameter of the finished part.
- (A) 1.5
- (B) 3.0
- (C) 4.0
- (D) 4.5
8. A cutting tool used to cut outside threads is called
- (A) Drill
- (B) Reamer
- (C) Die
- (D) Tap
9. Which one of the following designations does NOT denote the grade of a file?
- (A) Bastard
- (B) First cut
- (C) Second cut
- (D) Smooth
10. The length of hacksaw blade is measured from
- (A) One
end of the toothed portion to the other end
- (B) Center of one pin hole to the center of other pin hole
- (C) End
to end of blade
- (D) End
of one hole to the end of the other pin hole
11. The process of enlarging the end of an existing hole to accommodate the head of socket screw is called
- (A) Spot-facing
- (B) Boring
- (C) Counter-boring
- (D) Counter-sinking
12. A nut is to be made for a screw of M10 × 1.5. What should be the size of drilled hole?
- (A) 8.5
mm
- (B) 9.0
mm
- (C) 9.5
mm
- (D) 10.0
mm
13. Which one among the following is NOT the cause for a broken tap while tapping?
- (A) The
tap has coarse threads
- (B) Too
much downward pressure is applied
- (C) Cutting
oil is not used
- (D) Smaller
tap drill size is used
14. A groove is being chipped by a chisel. How will you avoid the metal breaking off as a lump, when reaching the end of the groove?
- (A) By
chipping with light force when reaching the end
- (B) By using
soluble oil
- (C) By
holding the chisel with the less inclination
- (D) By
chipping the end portion from opposite side
15. There are two rake angles of a lath cutting tool. These are:
- (A) Front
rake and back rake
- (B) Top
rake and bottom rake
- (C) Back
rake and side rake
- (D) Left
rake and right rake
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