SSC JE Civil Engineering 2017 Set 3 Solved Paper

Question : 155 of 200

Marks: +1, -0

A steel rod of sectional area 25 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated at 100° C. If asteel = 0.000012/C°

E_\steel

= 0.2 MN /mm

^{2}

, the tensile force developed at a temperature of 50 °C is______.

80 N / mm $^{2}$
100 N / mm $^{2}$
120 N / mm $^{2}$
150 N / mm $^{2}$

Validate

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