A. doubled
B. halved
C. become four times
D. become one-fourth
E. remain unaffected
Related Mcqs:
- The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?
A. half
B. same amount
C. double
D. one-fourth
E. four times - Young’s modulus is defined as the ratio of ___________________?
A. volumetric stress and volumetric strain
B. lateral stress and lateral strain
C. longitudinal stress and longitudinal strain
D. shear stress to shear strain
E. longitudinal stress and lateral strain - The unit of Young’s modulus is__________________?
A. mm/mm
B. kg/cm
C. kg
D. kg/cm2
E. kg cm2 - In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be____________________?
A. increase key length
B. increase key depth
C. increase key width
D. double all the dimensions
E. none of the above - The value of modulus of elasticity for mild steel is of the order of________________?
A. 2.1xl05 kg/cm2
B. 2.1 X 106 kg/cm2
C. 2.1 x 107 kg/cm2
D. 0.1 xlO6 kg/cm2 (<?) 3.8 x 106 kg/cm2 - Modulus of rigidity is defined as the ratio of_________________?
A. longitudinal stress and longitudinal strain
B. volumetric stress and volumetric strain
C. lateral stress and lateral strain
D. shear stress and shear strain
E. linear stress and lateral strain - A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?
A. uniform throughout
B. increase uniformly
C. first increase and then decrease
D. increase uniformly first and then increase rapidly
E. increase rapidly first and then uniformly - The property of a material by virtue of which a body returns to its original, shape after removal of the load is called____________________?
A. plasticity
B. elasticity
C. ductility
D. malleability
E. resilience - The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is_______________?
A. same
B. double
C. half
D. four times
E. one-fourth - Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?
A. tension
B. compression
C. bearing
D. any one of the above
E. none of the above