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
Related Mcqs:
- 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 - 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 - 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 - 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 - The shock absorbing capacity of a bolt can be increased by___________________?
A. tightening it properly
B. increasing shank diameter
C. grinding the shank
D. using washer
E. making shank diameter equal to core diameter of thread - 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 - 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 - 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 - 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 - The designation M 33 x 2 of a bolt means___________________?
A. metric threads of 33 nos in 2 cm.
B. metric threads with cross-section of 33 mm
C. metric threads of 33 mm outside diameter and 2 mm pitch
D. bolt of 33 mm nominal diameter having 2 threads per cm
E. none of the above
