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ISRO Technician-B
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ISRO Technician-B Fitter 2019
47

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

47) For turning lengthy tapers with a small taper angle, the method of taper turning employed is

offsetting the tailstock

form tool plunging

swiveiling the compound slide

Combination of the lathe cross slide and the compound slide movement

Answer is:

offsetting the tailstock

Explanation:

For turning lengthy tapers with a small taper angle, the method of taper turning employed is offsetting the tailstock.

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

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48) For the same cutting speed larger diameter drills will have _____ rpm compared to smaller diameter drills

Higher

Same

Lesser

None of the above

Answer is:

Lesser

49) The angle between the flanks in an Acme thread is

30 degree

29 degree

60 degree

51 degree

Answer is:

29 degree

50) The least count of an outside micro meter is 0.01 mm. The range of the micro meter is 75 to 100 mm. The barrel reading is 15.50 mm and the 10th thimble graduation coincides with the barrel datum line. The reading is

15.60 mm

15.06 mm

15.50 mm

15.40 mm

Answer is:

15.60 mm

51) The form of thread in a saw tooth thread is

Inclination of 1 Degree on one side and 30 Degree on the other side

Inclination of 3 Degree on one side and 30 Degree on the other side

Inclination of 5 Degree on one side and 60 Degree on the other side

Inclination of 3 Degree on one side and 29 Degree on the other side

Answer is:

Inclination of 3 Degree on one side and 30 Degree on the other side

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

For more MCQ's Click Here

47) For turning lengthy tapers with a small taper angle, the method of taper turning employed is

offsetting the tailstock

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

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

48) For the same cutting speed larger diameter drills will have _____ rpm compared to smaller diameter drills

Lesser

49) The angle between the flanks in an Acme thread is

29 degree

50) The least count of an outside micro meter is 0.01 mm. The range of the micro meter is 75 to 100 mm. The barrel reading is 15.50 mm and the 10th thimble graduation coincides with the barrel datum line. The reading is

15.60 mm

51) The form of thread in a saw tooth thread is

Inclination of 3 Degree on one side and 30 Degree on the other side

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