Drilling and Reaming ITI Multiple Choice Questions - Set 01 - ObjectiveBooks

Drilling and Reaming ITI Multiple Choice Questions - Set 01

Practice Test: Question Set - 01

1. A wedge like tool is used for removing the taper shank tools from the nose of the machine spindle. What is this called?
    (A) Drill chuck
    (B) Drill key
    (C) Drill socket
    (D) Drill drift

2. Which one of the following coolants is used for reaming aluminium workpiece?
    (A) Kerosene
    (B) Water
    (C) Air pressures
    (D) Lard oil

3. A hole of 10 mm diameter is to be finished with a hand reamer. The hole size required for reaming should be
    (A) 9.75 mm
    (B) 9.50 mm
    (C) 9.25 mm
    (D) 9.00 mm

4. Drill chucks are held on the machine spindle by means of
    (A) Arbor
    (B) Drift
    (C) Draw-in bar
    (D) Chuck nut

5. The rate of feed depends upon
    (A) Finish required
    (B) Material of tool (drill)
    (C) Material to be drilled
    (D) All the above

6. The reamer teeth and spacing are designed to assist in reaming more accurate holes with good surface finish. Which one of the following is true regarding the number of teeth and their spacing?
    (A) Uneven number of teeth and uneven spacing
    (B) Uneven number of teeth and even spacing
    (C) Even number of teeth and uneven spacing
    (D) Even number of teeth and even spacing

7. The material of twist drill is generally
    (A) H.S.S.
    (B) Carbide steel
    (C) Diamond
    (D) Cast steel

8. How does a hand reamer differ from a machine reamer?
    (A) Larger bevel lead for the cutting edge
    (B) More number of cutting teeth
    (C) Less number of cutting teeth
    (D) Unequal spacing of cutting edges

9. Which angle of counter sink drill you will select for seating counter sink type A (IS : 3406:1986) ?
    (A) Counter sink drill 75°
    (B) Counter sink drill 80°
    (C) Counter sink drill 90°
    (D) Counter sink drill 120°

10. Which one of the following metals does not require any coolant during reaming?
    (A) Aluminium
    (B) Cast iron
    (C) Copper
    (D) Steel

11. A drilled hole goes out of centre due to
    (A) Improper clamping of workpiece
    (B) Workpiece having blowholes
    (C) Centre punch mark not being large enough to give proper seat to the chisel edge of drill
    (D) Any of the above

12. Drill sleeve is used when the taper shank of the drill is
    (A) Smaller than the machine spindle
    (B) Larger than the machine spindle
    (C) Equal to the machine spindle
    (D) None of the above

13. Which one of the following is used to hold the straight shank drill having diameter less than 12 mm?
    (A) Sleeve
    (B) Socket
    (C) Drill chuck
    (D) Drill drift

14. The relief angle given behind the cutting lips is called
    (A) Lip clearance angle
    (B) Helix angle
    (C) Rake angle
    (D) Chisel edge angle

15. 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

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