61) The specification of a shaper is determined by

Answer is:

Stroke of the ram

The specification of a shaper is determined by

ISRO Technician-B Machinist Question Paper - 2019 (Set -1) with Answer Key

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62) In a planing machine, metal cutting take place by the reciprocation of

Answer is:

Table

63) Which of the following lathe center has minimum wear and tear & particularly suitable for tailstock offset turning?

Answer is:

Ball centre

Explanation:

Ball centre is sometimes used for tapering by the "set-over tail stock" method. The standard centres cannot sit squarely in the center hole when the tail stock is set over.

Which of the following lathe center has minimum wear and tear & particularly suitable for tailstock offset turning?

64) Taper turning operation on a lathe can be carried out using

Answer is:

All of the above

Explanation:

An operation performed on a lathe that feeds a tool at an angle to the length of the work piece in order to create a conical shape.

Taper turning on lathe can be produced by
1) Taper Turning by Tail-stock set-over method
2) Taper Turning by Swiveling the compound rest method
3) Taper Turning by Taper turning attachment method
4) Taper Turning by Form tool method