Related Questions

Which of the following fastening devices has its both ends threaded?
A Bolt
B Stud
C Set screw
D Split nut
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
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
The pitch of threads on a Jock nut in comparison to pitch of nut is
A Same
B Coarser
C Finer
D Very fine
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
Which of the following is a permanent fastening?
A Bolts
B Keys
C Cotters
D Rivets
A riveted joint is a __________ fastening.
A Permanent
B Temporary
C Either A or B
D None of these
Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
A 16%
B 20%
C 55%
D 105%

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