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 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
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
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
The pitch of threads on a Jock nut in comparison to pitch of nut is
A Same
B Coarser
C Finer
D Very fine
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
A tension in the tight side of the belt
B tension in the slack side of the belt
C sum of the tensions on the tight side and slack side of the belt
D average tension of the tight side and slack side of the belt
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
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 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

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