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.Management Sciences
Category: Strength of Materials
The C.G. of a plane lamina will not be at its geometrical centre in the case of a __________________?
A. right angled triangle
B. equilateral triangle
C. square
D. circle
E. rectangle
The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?
A. equal to the moment of the couple
B. constant
C. both of above are correct
D. both of above are wrong
E. none of the above
If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________________?
A. chain riveting
B. zig zag riveting
C. diamond riveting
D. criss-cross riveting
E. none of the above
If the radius of wire stretched by a load is doubled, then its Young’s modulus will be_______________?
A. doubled
B. halved
C. become four times
D. become one-fourth
E. remain unaffected
The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?
A. strain energy
B. resilience
C. proof resilience
D. modulus of resilience
E. toughness
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is________________?
A. same
B. double
C. half
D. four times
E. one fourth
Coulomb friction is the friction between_____________________?
A. bodies having relative motion
B. two dry surfaces
C. two lubricated surfaces
D. solids and liquids
E. electrically charged particles
The maximum strain energy that can be stored in a body is known as________________?
A. impact energy
B. resilience
C. proof resilience
D. modulus of resilience
E. toughness
The stress induced in a body due to suddenly applied load compared to when it is applied gradually is________________?
A. same
B. half
C. two times
D. four times
E. none of the above
A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal__________________?
A. density of metal can’t be determined
B. metal is twice as dense as water
C. metal will float in water
D. metal is twice as dense as unknown fluid
E. none of the above
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