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

Related Mcqs:

1. For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately________________?

   A. 0.4 times
   B. 0.6 times
   C. 0.7 times
   D. 0.8 times
   E. 0.9 times the normal diameter of bolt

2. If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to___________________?

   A. diameter of bolt
   B. 0.75 x diameter of bolt
   C. 1.25 x diameter of bolt
   D. 1.5 x diameter of bolt
   E. 0.5 x diameter of bolt

3. 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

4. The pitch of threads on a Jock nut in comparison to pitch of nut is_________________?

   A. same
   B. coarser
   C. finer
   D. very coarse
   E. very fine

5. If threads on a bolt are left hand, threads on nut will be_____________________?

   A. right hand with same pitch
   B. left hand with same pitch
   C. could be left or right hand
   D. right hand with fine pitch
   E. left hand with fine pitch

6. If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation_______________?

   A. 102 d
   B. 124 d
   C. 138 d
   D. 151 d
   E. 168 d

7. The following type of nut is used with alien bolt____________________?

   A. alien nut
   B. hexagonal nut
   C. slotted nut
   D. castle nut
   E. any one of the above

8. 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

9. 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

10. The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?

    A. joint may not open up
    B. bolts are weakest elements
    C. the resultant load on the bolt would not be affected by the external cyclic load
    D. bolts will not loosen during service
    E. none of the above