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

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

11) A standard hacksaw blade of 300mm length has 375 teeth. What is the classification and type of set of the blade

Answer is:

Fine, Wave set

A standard hacksaw blade of 300mm length has 375 teeth. What is the classification and type of set of the blade

12) Find out the speed setting (rpm) for a high speed steel drill D24 to cut a work piece of phosphor bronze. Maximum cutting speed with HSS for Phosphor Bronze is 35 m/min

Answer is:

400

13) What is the clearance angle if the angle of inclination of a chisel, with point angle 60 Degree, is 39.5 Degree?

Answer is:

9.5 degree

14) Choose a drilling machine for drilling multiple holes of larger diameters

Answer is:

Radial drilling machine

Explanation:

Radial drilling machine's are used for for drilling multiple holes of larger diameters.

Choose a drilling machine for drilling multiple holes of larger diameters

15) A Metric Outside micrometer of range 100-125 mm is used to measure the diameter of a rod. Barrel graduation showed 16.5 and the thimble graduation in line with the barrel datum line was 28. What is the diameter of the rod?

Answer is:

116.78 mm