ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key

ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key

36) As the ratio between length and diameter of a boring bar increases, rigidity

Answer is:

decrease

37) The thread angle of a metric thread is

Answer is:

60 degree

38) The general point angle of a drill used for drilling holes is

Answer is:

118 degree

Explanation:

For general purpose use point angle of twist drill is 118 Degree.

The general point angle of a drill used for drilling holes is

39) A carbide tool is better than HSS tool because

Answer is:

all the above

40) Instrument used for measuring angles is

Answer is:

bevel protractor

Instrument used for measuring angles is

5
6
7
8
9
10
11