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ISRO Technician-B
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ISRO Technician-B Fitter 2016
43

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

43) Rankine's constant for a mild steel column with both ends hinged is

(1/750)

(1/1600)

(1/7500)

None of these

Answer is:

(1/7500)

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

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Related ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

44) The material used in the manufacture of thermistors are

Oxides of manganese and cobalt

Oxides of iron and zinc

Carbides of silicon and germanium

All of these

Answer is:

Oxides of manganese and cobalt

45) A metal strip is to be rolled from initial wrought thickness of 3.5 mm to a final rolled thickness of 2.5 mm in a single pass rolling mill having rolls of 250 mm diameter. The strip is 450 mm wide. The average co-efficient of friction in the roll gap is 0.

320 KN

420 KN

820.6 KN

165 KN

Answer is:

820.6 KN

46) Find the melting efficiency for an arc welding process which has a potential of 15 volts and current rating of 250 ampares. Weld has travel speed of 6 mm/s for a cross sectional area of 18 square millimeter. Heat transfer efficiency is 0.80 and heat requir

45.00%

43.20%

47.20%

44.50%

Answer is:

43.20%

47) During expansion in steam turbine, entropy

increases exponentially

decrease exponentially

increase linearly

none of these

Answer is:

none of these

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

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