The lathe spindles are usually made hollow and provided with
A. internal taper
B. external taper
C. internal and external taper
D. no taper
Answer A
Which of the following parameters influence the axial feed rate in centreless grinding?
A. Regulating wheel diameter
B. Speed of the regulating wheel
C. Angle between the axes of grinding and regulating wheels
D. all of the above
Answer D
The example of snag grinding is
A. trimming the surface left by sprues and risers on castings
B. grinding the parting line left on castings
C. removing flash on forgings
internal gears can be made by
A. hobbing
B. shaping with pinion cutter
C. shaping with rack cutter
Answer B
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 lovator
D. vee locator
