MT-II- IATII-PART A

1.When the tool of centre lathe moves perpendicular to the axis of rotation,

• a. it produces a cylindrical surface

• b. it produces a flat surface

• c. it produces a tapered surface

• d. none of the above

2.The foundation of the centre lathe is called as

• a. carriage

• b. tray

• c. base

• d. bed

3.The centre lathes receive their power through

• a. headstock

• b. tailstock

• c. both a. and b.

• d. none of the above

4.Which of the following is not a part of carriage of the centre lathe?

• a. Tool post

• b. Apron

• c. Compound rest

• d. Gear box controls

5. The point at which the cutting tool reaches, beyond which it will not function satisfactorily until it is reground, is called as

• a. tool wear

• b. tool failure

• c. too diffusion

• d. none of the above

6. Which cutting condition affects the cutting temperature predominantly?

• a. depth of cut

• b. cutting speed

• c. feed

• d. none of the above has any effect on cutting temperature

7. In metal cutting operation, maximum heat (i.e. 80-85%) is generated in

• a. the shear zone

• b. the chip-tool interface zone

• c. the tool-work interface zone

• d. none of the above

8. The angle between side cutting edge and end cutting edge is called as

• a. approach angle

• b. nose angle

• c. side relief angle

• d. end relief angle

9.The surface of the single point cutting tool on which the chips formed in cutting operation slide is called as

• a. flank

• b. heel

• c. face

• d. shank

10.The thickness of layer material removed in one pass of workpiece under the cutter is called as

• a. single pass cut

• b. depth of cut

• c. width of cut

• d. face cut