ISRO Technician-B Fitter Question Paper - 2016 (Set - 4) with Answer Key

ISRO Technician-B Fitter Question Paper - 2016 (Set - 4) with Answer Key

51) A standard hack saw blade of 300 mm length has 375 teeth. What is the classification and type of set of the blade?

Answer is:

Fine, Wave set

52) 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

53) 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

54) In a vernier caliper, 100 divisions of the vernier scale occupies x divisions (mm) of the main scale. Find out the value of x if the least count of the vernier scale is 0.01 mm.

Answer is:

99

55) 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

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