Resilience of a material is important, when it is subjected to________________?

Related Mcqs:

1. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at_______________?

   A. shank
   B. head
   C. in the middle
   D. at the thread
   E. anywhere in the bolt

2. 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

3. 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

4. In testing a material for endurance strength, it is subjected to_______________________?

   A. static load
   B. dynamic load
   C. impact load
   D. static as well as dynamic load
   E. completely reversed load

5. 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

6. The building up of worn and uridersized parts, subjected to repeated loads by electroplating is_____________________?

   A. best method
   B. extremely hazardous
   C. has no effect as regards fatigue strength
   D. cheapest method
   E. all of the above

7. When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads___________________?

   A. compression
   B. tension
   C. shear
   D. combined loads
   E. all of the above

8. 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

9. 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

10. 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