Related Questions

The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the
A Initial tension
B External load applied
C Sum of the initial tension and external load applied
D Initial tension or external load, whichever is greater
When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the
A Initial tension
B External load applied
C Sum of the initial tension and external load applied
D Initial tension or external load, whichever is greater
When a bolt is subjected to an external load, the stress induced in the bolt will be
A Tensile stress
B Shear stress
C Combined tensile and shear stress
D Any one of these
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 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
The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)
A 1420 d
B 1680 d
C 2080 d
D 2840 d
When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the
A Thread
B Middle
C Shank
D Head
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
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be
A Same in both cases
B 2 times more
C 3 times more
D 4 times more

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