Cutting Tools ITI Questions and Answers - Set 03 - ObjectiveBooks
Cutting Tools ITI Questions and Answers - Set 03

Cutting Tools ITI Questions and Answers - Set 03

Practice Test: Question Set - 03

1. When threading a blind hole, the third (finisher) tap is used
    (A) To thread the hole with full threads up to the bottom
    (B) To start the threads
    (C) After the first (rougher) tap
    (D) To form the threads easily
2. A grinding wheel marked with 'C' is made with the abrasive
    (A) Aluminium oxide
    (B) Silicon carbide
    (C) Diamond
    (D) Corundum
3. Taps are re-sharpened by grinding
    (A) Flutes
    (B) Threads
    (C) Diameter
    (D) Relief
4. A die is
    (A) External thread cutting tool
    (B) Internal thread cutting tool
    (C) Square thread cutting tool
    (D) Acme thread cutting tool
5. Which of the following reamers is particularly suitable for reaming holes having keyway grooves?
    (A) Straight fluted reamer
    (B) Helical fluted reamer
    (C) Taper reamer
    (D) Pilot reamer
6. It is commonly observed that the face of a grinding wheel becomes shiny and smooth or glazed after some use due to one of the following reasons. Choose the correct answer.
    (A) Grade of wheel is too hard
    (B) Abrasive of wheel is not suitable for the purpose
    (C) Grain size is too coarse
    (D) Structure of the wheel is too open
7. You have to select a grinding wheel with suitable abrasive to grind glass. What is the type of abrasive you will select?
    (A) Diamond
    (B) Emery
    (C) Quartz
    (D) Silicon carbide
8. 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°
9. Cemented carbide is capable of cutting speed:
    (A) 3 to 4 times greater than HSS cutting tools
    (B) 5 to 8 times greater than HSS cutting tools
    (C) 8 to 10 times greater than HSS cutting tools
    (D) 10 to 15 times greater than HSS cutting tools
10. Rake angle of a lathe tool can be:
    (A) Positive only
    (B) Negative only
    (C) Zero only
    (D) Any one of positive, negative or zero
11. Which one of the following is used to rectify damaged or rusted threads?
    (A) Die nut
    (B) Circular split die
    (C) Two-piece die
    (D) Die plate
12. The cutting action of a file depends upon
    (A) The kind of cut and spacing of teeth
    (B) Arrangement of teeth on the file
    (C) Size and shape of the file
    (D) All of the above
13. A double cut file is used for filing on
    (A) Wood
    (B) Hard board
    (C) Leather
    (D) Steel
14. The new hacksaw blade should not be used in the blind saw cut made by old blade because
    (A) The space is not enough to run the blade
    (B) The blade is costly
    (C) The new blade has sharp teeth
    (D) None of the above
15. Spot-facing is done to
    (A) Deburr the mouth of the drilled hole
    (B) Make surface flat so that bolt head can take proper seat on the surface
    (C) Give fine finish to the drilled hole
    (D) Enlarge the existing hole
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