A. heavy load
B. loose belt
C. driving pulley too small
D. all of the above
E. none of the above
Related Mcqs:
- In V-belt drive, belt touches______________?
A. at bottom
B. at sides only
C. both at bottom and sides
D. could touch anywhere
E. none of the above - Resilience of a material is important, when it is subjected to________________?
A. combined loading
B. fatigue
C. thermal stresses
D. wear and tear
E. shock loading - Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to________________?
A. dynamic loading
B. static loading
C. combined static and dynamic loading
D. completely reversed loading
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 - In nitrated parts, the origins of the fatigue cracks will occur at__________________?
A. surface
B. just below the surface
C. within the core
D. could occur anywhere
E. none of the above - The property of a material which enables it to resist fracture due to high impact loads is known as__________________?
A. elasticity
B. endurance
C. strength
D. toughness
E. resilience - The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be_________________?
A. same in both cases
B. 2 times more
C. 3 times more
D. 4 times more
E. unpredictable - If a material fails below its yield point, failure would be due to___________________?
A. straining
B. fatigue
C. creep
D. sudden loading
E. impact loading - Stress concentration is caused due to_____________________?
A. variation in properties of material from point to point in a member
B. pitting at’points or areas at which loads on a member are applied
C. abrupt change of section
D. all of the above
E. none of the above - The endurance limit of a material with finished surface in comparison to rough surface is_________________?
A. more
B. less
C. same
D. more or less depending on quantum of load
E. unpredictable
