Basic shaft is one__________________?

A. Whose upper deviation is zero
B. Whose lower deviation is zero
C. Whose lower as well as upper deviations are zero
D. Does not exist

In composite or reverse laid ropes___________________?

A. Direction of twist of wires in strands is opposite to the direction of twist of strands
B. Direction of twist of wires and strands are same
C. Wires in two adjacent strands are twisted in opposite direction
D. Wires are not twisted

I.S. specifies following total number of grades of tolerances__________________?

A. 18
B. 16
C. 20
D. 22

Allen bolts are___________________?

A. Self locking bolts
B. Designed for shock load
C. Used in aircraft application
D. Provided with hexagonal depression in head

The connecting rod bolts are tightened up so that tightening stress _________________?

A. Is just sufficient to hold parts together
B. Approaches yield point
C. Is 50% of yield point
D. Is about yield point divided by safety factor

If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited ________________?

A. Square
B. Acme
C. Buttress
D. Bsw

The shock absorbing capacity of a bolt can be increased by___________________?

A. tightening it properly
B. increasing shank diameter
C. grinding the shank
D. using washer

The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?

A. Joint may not open up
B. Bolts are weakest elements
C. The resultant load on the bolt would not be affected by the external cyclic load
D. Bolts will not loosen during service

When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at_______________?

A. Shank
B. Head
C. In the middle
D. At the thread

The resultant axial load on a bolt depends on_______________?

A. initial tension
B. external load applied
C. relative elastic yielding (springness) of the bolt and the connected member
D. a. and b. above