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ISRO Technician-B
Turner
ISRO Technician-B Turner 2017
40

ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

40) In a forge, why does not tuyeres melt down due to heat?

Due to cold water in the cooling tank

Due to refractory coating over tuyeres

Temperature is not enough to melt the tuyers

Tuyers also melt down in forge

Answer is:

Due to refractory coating over tuyeres

In a forge, why does not tuyeres melt down due to heat?

ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

41) Inspection of complex profiles can be easily done by

Using a vernier caliper

Using a plunger dial

Using a vernier heigh gauge

Using a template

Answer is:

Using a template

42) What determines the hardness or softness of an abrasive wheel?

Grain size

Bond type

Grade of bond

Abrasive type

Answer is:

Grade of bond

43) What is the depth of thread for M10 x 1.5

0.92 mm

1.5 mm

0.2 mm

0.05 mm

Answer is:

0.92 mm

44) For making M10 external threads using thread rolling, the blank diameter should be

Equal to 10 mm

Less than 10 mm

More than 10 mm

Blank diameter does not matter

Answer is:

Less than 10 mm

For making M10 external threads using thread rolling, the blank diameter should be

ISRO Technician-B Turner Question Paper - 2017 (Set - 1) with Answer Key

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