Engineering - Civil Enginnering

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55.

If the deflection at the free end of a uniformly loaded cantilever beam is 15mm and the slope of the deflection curve at the free end is 0.02 radian, then the length of the beam is                        


A. 0.8 m B. lm
C. 1.2 m D. 1.5m




56.

If the depth of a beam of rectangular section is reduced to half, strain energy stored in the beam becomes                        


A. 1/4 time B. 1/8 time
C. 4 times D. 8 times




57.

If the rivet value is 16.8 kN and force in the member is 16.3 kN, then the number of rivets required for the connection of the member to a gusset plate is                        


A. 1 B. 2
C. 3 D. 4




58.

If the Young's modulus of elasticity of a material is twice its modulus of rigidity, then the Poisson's ratio of the material is                        


A. -1 B. -0.5
C. 0.5 D. zero




59.

Impact test enables one to estimate the property of                        


A. hardness B. toughness
C. strength D. creep




60.

In a thin cylindrical shell, the ratio of longitudinal stress to hoop stress is                        


A. 0.5 B. 1
C. 2 D. 4




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