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.Management Sciences
Category: Strength of Materials
A riveted joint in which the number otrivets decrease from innermost to outer most row is called__________________?
A. chain riveted joint
B. diamond riveted joint
C. criss-cross riveted joint
D. zig-zag riveted joint
E. none of the above
For steel, the ultimate strength in shear as compared to in tension is nearly _________________?
A. same
B. half
C. one-third
D. two-third
E. one-fourth
Longitudinal stress in a thin cylinder is__________________?
A. equal to the hoop stress
B. twice the hoop stress
C. half of the hoop stress
D. one-fourth of hoop stress
E. four times the hoop stress
Which of the following has no unit __________________?
A. kinematic viscosity
B. surface tension
C. bulk modulus
D. strain
E. elasticity
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of___________________?
A. r/2
B. r/A
C. r/%
D. 0.134 r
E. 3r/8
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
Tensile strength of a material is obtained by dividing the maximum load during the test by the_________________?
A. area at the time of fracture
B. original cross-sectional area
C. average of A. and B.
D. minimum area after fracture
E. none of the above.
A beam is loaded as cantilever. If the load at the end is increased, the failure will occur ___________________?
A. in the middle
B. at the tip below the load
C. at the support
D. anywhere
E. none of the above
The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?
A. of same magnitude as that of bar and applied at the lower end
B. half the weight of bar applied at lower end
C. half of the square of weight of bar applied at lower end
D. one-fourth of weight of bar applied at lower end
E. none of the above
Rivets are made of following type of material_________________?
A. tough
B. hard
C. resilient
D. ductile
E. malleable
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