CUTTING TOOLS AND OPERATIONS TOP 20 FITTER TRADE MCQ

1. A cutting tool used to finish and enlarge a hole is known as

Reamer.

2. Which one of the following metals does not require any coolant during reaming ?

Cast iron.

3. A cutting tool used to cut outside threads is called

Die.

4. Which one of the following is used to rectify damaged or rusted threads ?

Die nut.

5. What is used for removing a broken tap ?

Tap extractor.

6. What coolant is recommended for tapping copper or aluminium ?

 Kerosene.

7. The grooves provided on the entire length of the body of a twist drill are called

Flutes.

8. A wedge like tool is used for removing the taper shank tools from the nose of the

 machine spindle ? What is this called ?

Drill drift.

9. A hole, which is not made through full depth of the component is known as

blind hole.

10. The drill sleeves or sockets are available with morse taper and their number range MT-1 to

 MT-6. Which one of the following drill sizes refers to MT-4 ?

Drills above 31.75 mm upto 50.50 mm.

11. It is the process of removing very small chips from metal surfaces by means of a sharp-

 edged tool. What is this tool called as ?

Scraper.

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 the above.

13. Hacksaw blade teeth get dull due to

(a) high speed and pressure

(b) pressure not released during return stroke

(c) coolant not used

(d) any one of the above.

14. Which one of the following is NOT the reason for making file faces slightly convex in form ?

To increase the friction between the file face and the job surface.

15. 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 one of the above.

16. Which one of the following designations does NOT denote the grade of a file?

(a) Bastard

(b) First cut

(c) Second cut

(d) Smooth

(b) First cut.

17. The cutting angle of a flat chisel for chipping aluminium is

35°.

18. Which one among the following materials can be cut with a rasp cut file ?

Wood.

19. Which one among the following scrapers is used for scraping on bearing bush ?

Half round scraper.

20. Which one of the following coolants is used for reaming aluminium workpiece ?

Kerosene.