1. Segmental chips are formed during machining
A. mild steel
B. cast iron
C. high-speed steel
D. high carbon steel
2. Cemented carbide tool tips are produced by powder metallurgy.
A. True
B. False
3. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is
A. conical locator
B. cylindrical locator
C. diamond pin locator
D. vee locator
4. Side rake angle of a single point cutting tool is the angle
A. by which the face of the tool is inclined towards the back
B. by which the face of the tool is inclined sideways
C. between the surface of the flank immediately below the point and a plane at right angles to the centerline of the point of the tool
D. between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
5. Internal gears can be made by
A. hobbing
B. shaping with pinion cutter
C. shaping with rack cutter
D. milling
6. In order to prevent tool from rubbing the work __________ on tools are provided.
A. rake angles
B. relief angles
7. The silicon carbide abrasive is chiefly used for grinding
A. cemented carbide
B. ceramic
C. cast iron
D. all of these
8. Drilling is an example of
A. orthogonal cutting
B. oblique cutting
C. simple cutting
D. uniform cutting
9. A round nose tool may be fed either from left to right end or from right to left end of the lathe bed.
A. Yes
B. No
10. When the cutting edge of the tool is dull, then during machining
A. continuous chips are formed
B. discontinuous chips are formed
C. continuous chips with built-up edge are formed
D. no chips are formed