A. at bottom
B. at sides only
C. both at bottom and sides
D. could touch anywhere
E. none of the above
Related Mcqs:
- Belt slip may occur due to________________?
A. heavy load
B. loose belt
C. driving pulley too small
D. all of the above
E. none of the above - If an unsupported uniform cross sectional elastic bar is subjected to a longitudinal impact from a rigid bob moving with velocity v, then a compressive wave of intensity sc is propagated through the bar as follows______________________?
A. vpE
B. vVvF
C. WpE/2
D. IvHpE
E. none of the above, where E = modulus of elasticity and p = mass density - Plastic flow in ductile materials_____________________?
A. increases the seriousness of static load-ing stress concentration
B. lessens the seriousness of static load¬ing stress concentration
C. has no effect on it
D. depends on other considerations
E. none of the above - Which process will increase the fatigue duration of parts ?
A. finishing and polishing
B. shot-peening
C. decarburisation
D. electroplating
E. all of the above”. - The function of a washer is to___________________?
A. provide cushioning effect
B. provide bearing area
C. absorb shocks and vibrations
D. provide smooth surface in place of rough surface
E. act as a locking device - In order to obtain bolt of uniform strength____________________?
A. increase shank diameter
B. increase its length
C. drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread
D. tighten die bolt properly
E. all of the above - When a close coiled helical spring is compressed, its wire is subjected to________________?
A. tension
B. shear
C. compression
D. all of the above
E. none of the above - The connecting rod bolts are tightened up so that tightening stress _________________?
A. is just sufficient to hold parts together
B. approaches yield point
C. is 50% of yield point
D. is about yield point divided by safety factor
E. none of the above - The piston rod of a steam engine is usually connected to the cross head by means of__________________?
A. bolted joint
B. kunckle joint
C. cotter joint
D. universal joint
E. universal coupling - A tapered key which fits in a keyway in the hub and is flat on the shaft, is known as___________________?
A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key
