Related Questions

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
When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be
A Knuckle threads
B Square threads
C Acme threads
D Buttress threads
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 ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is
A 1
B 2
C 3
D 4
A column of length ($$l$$) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged.
A $$\frac{l}{8}$$
B $$\frac{l}{4}$$
C $$\frac{l}{2}$$
D $$l$$
According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
A Equal to
B Two times
C Four times
D Eight times
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.
A Equal to
B More than
C Less than
D Either B or C; depends on maximum permissible internal pressure
The thickness of a thin cylindrical shell with hemispherical ends is _________ that of spherical ends.
A Equal to
B More than
C Less than
D None of these
The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at
A 30°
B 45°
C 60°
D 90°
A bench vice has following type of threads
A Metric
B Square
C Buttress
D Acme

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