The shock absorbing capacity of a bolt can be increased by___________________? - PakMcqs

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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. 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...

3. An alien bolt is___________________?

   A. self locking bolt B. same as stud C. provided with hexagonal depression in head D. used in high speed components E. provided with countersunk head...

4. If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be_________________?

   A. lOVZ B. 10VZtol5Vd C. 15Vdto20VZ D. 20Vdto30Vd E. 30V5″to40Vd...

5. 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...

6. 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...

7. The resultant axial load on a bolt depends on_______________?

   A. initial tension B. external load applied C. relative elastic yielding (springness) of the bolt and the connected member D. A. and B. above E. A, B. and C. above...

8. 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...

9. 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...

10. 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...