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

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

41) A steel rod of 1 m length has to transmit a force of 15 kN without stretching more than 1mm. E of steel is 200Gpa. Minimum cross sectional area required is

Answer is:

75 square millimeter

42) A thin cylindrical shell of diameter (d), length (l), and thickness (t) is subjected to an internal pressure (p). The ratio of the longitudinal strain to hoop strain is

Answer is:

(m-2)/(2m-1)

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

Answer is:

(1/7500)

44) The material used in the manufacture of thermistors are

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.

Answer is:

820.6 KN

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