Force of 100 kN is applied on 900 mm long rod of 20 mm diameter and is – McqOptions

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1.	Force of 100 kN is applied on 900 mm long rod of 20 mm diameter and is simultaneously heated at 70 C. What is the total elongation of the rod? (Assume coefficient of thermal expansion = 10 x 10 C, Young's modulus = 150 Gpa)
A.	2.54 mm
B.	2.00 mm
C.	1.27 mm
D.	0.63 mm
Answer» B. 2.00 mm

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