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ISRO Technician-B
Fitter
ISRO Technician-B Fitter 2015
10

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

10) The angle of BSW thread is

60 degree

37 degree

55 degree

120 degree

Answer is:

55 degree

Explanation:

B.S.F screw threads have the included angle of 55 degree.

The angle of BSW thread is

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

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

11) In ISI system of fits, capital letter indicates

Hole

Shaft

Hole or Shaft

None of these

Answer is:

Hole

12) Compared to 16 gauge sheet, 20 gauge sheet is

Thinner

Thicker

Equal in thickness

None of these

Answer is:

Thinner

13) In gas welding, the gas mixture used is

Oxygen-hydrogen

Oxygen-propane

Oxygen-Acetylene

Oxygen-coal gas

Answer is:

Oxygen-Acetylene

14) Which one of the following process does not require filler metal

Arc welding

Resistance welding

Gas welding

None of these

Answer is:

Resistance welding

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

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