The increase in the length of a bar of length 1 m, area 300 mm2, modulus of elasticity 2×105 N/mm2 due to a tensile load of 120 KN is .
A) 1 mm
B) 2mm
C) 3mm
D) 4mm
Correct Answer:
Verified
Q1: What is elasticity?
A)ability to re-gain It's original
Q2: What is modular ratio?
A)ratio of deflection in
Q3: 3.5 m long bar is under tensile
Q5: Shear stress causes .
A)Deformation
B)Elongation
C)contraction
D)None of above
Q6: which of the following has same unit?
A)modulus
Q7: unit of stress is .
A)Pascal
B)Newton
C)N/m2
D)a and c
Q8: In composite section deformation is same in
Q9: which of the following is type of
Q10: Strain is defined as the ratio of
A)change
Q11: Hooke's law holds good up to
A)yield point
B)limit
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