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.Management Sciences
Category: Strength of Materials
Proof resilience per material is known as________________?
A. resilience
B. proof resilience
C. modulus of resilience
D. toughness
E. impact energy
The materials which exhibit the same elastic properties in all directions are called______________?
A. homogeneous
B. inelastic
C. isotropic
D. isentropic
E. visco-elastic.
Deformation per unit length in the direction of force is known as_________________?
A. strain
B. lateral strain
C. linear strain
D. linear stress
E. unit strain
The intensity of stress which causes unit strain is called_______________?
A. unit stress
B. bulk modulus
C. modulus of rigidity
D. modulus of elasticity
E. principal stress
Resilience of a material is considered when it is subjected to_________________?
A. frequent heat treatment
B. fatigue
C. creep
D. shock loading
E. resonant condition
The torsional rigidity of a shaft is expressed by the_______________?
A. maximum torque it can transmit
B. number of cycles it undergoes before failure
C. elastic limit up to which it resists torsion, shear and bending stresses
D. torque required to produce a twist of one radian per unit length of shaft
E. maximum power it can transmit at highest possible-speed
The value of shear stress which is induced in the shaft due to the applied couple varies____________________?
A. from maximum at the center to zero at the circumference
B. from zero at the center to maximum at the circumference
C. from maximum at the center to mini-mum at the cricumference
D. from minimum at the centro to maxi-mum at the circumference
E. none of the above
The C.G. of a right circular solid cone of height h lies at the following distance from the base________________?
A. h/2
B. J/3
C. h/6
D. h/4
E. 3/i/5
The C.G. of a solid hemisphere lies on the central radius 3r_________________?
A. at distance — from the plane base 3r
B. at distance — from the plane base 3r
C. at distance — from the plane base 3r
D. at distance — from the plane base or
E. at distance — from the plane base
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
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