Related Questions

When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt)
A 0.5 d
B 0.75 d
C d
D 1.25 d
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 × diameter of bolt
C 1.25 × diameter of bolt
D 1.5 × diameter of bolt
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
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
When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads
A Compression
B Tension
C Shear
D Combined loads
The pitch of threads on a Jock nut in comparison to pitch of nut is
A Same
B Coarser
C Finer
D Very fine
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
A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
A Bolt and tube are under tension
B Bolt and tube are under compression
C Bolt is under compression and tube is under tension
D Bolt is under tension and tube is under compression
The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
A Tension
B Shear
C Compression
D Bending & tension
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 124 d
B 138 d
C 151 d
D 168 d

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