ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

41) The curve generated by a point on a circle when the circle rolls on a straight line

Answer is:

Cycloid

Explanation:

Cycloid is a curve generated by a point on the circumference of a circle which rolls along a straight line.

42) Which is the hardest tool material next to diamond?

Answer is:

CBN

Explanation:

Cubic boron nitride of the following is the hardest cutting tool material next to diamond

43) Indexing head in a milling machine is used

Answer is:

To drill holes on a pitch circle diameter

44) Zero rake angle is provided on a cutting tool for

Answer is:

Machining malleable material

Zero rake angle is provided on a cutting tool for