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ISRO Technician-B
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ISRO Technician-B Fitter 2019
49

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

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

30 degree

29 degree

60 degree

51 degree

Answer is:

29 degree

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

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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

52) The taper in a taper pin reamer is

1 in 20

1 in 50

1 in 75

1 in 100

Answer is:

1 in 50

53) A hole is to be made on mild steel with a 12 mm diameter reamer. If the under size is 0.3 mm and ifthe oversize is 0.05 mm, what will be the diameter of the drill for drilling the hole before reaming?

11.65 mm

12.35 mm

10.70 mm

12.05 mm

Answer is:

11.65 mm

A hole is to be made on mild steel with a 12 mm diameter reamer. If the under size is 0.3 mm and ifthe oversize is 0.05 mm, what will be the diameter of the drill for drilling the hole before reaming?

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

For more MCQ's Click Here

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

29 degree

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

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

52) The taper in a taper pin reamer is

1 in 50

53) A hole is to be made on mild steel with a 12 mm diameter reamer. If the under size is 0.3 mm and ifthe oversize is 0.05 mm, what will be the diameter of the drill for drilling the hole before reaming?

11.65 mm

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