Maximum principal stress theory is applicable for_____________________?

A. Ductile materials
B. Brittle materials
C. Elastic materials
D. All of the above

A stud________________________?

A. Has a head on one end and a nut fitted to the other
B. Has head at one end and other end fits into a tapped hole in the other part to be joined
C. Has both the ends threaded
D. Has pointed threads

A tap bolt_____________________?

A. Has a head on one end and a nut fitted to the other
B. Has head at one end and other end fits into a tapped hole in the other part o be joined
C. Has both the ends threaded
D. Has pointed threads

The included angle in unified of American National threads is___________________?

A. 60°
B. 55°
C. 47°
D. 29°

Cap screws are___________________?

A. Similar to’small size tap bolts except that a greater variety of shapes of heads are available
B. Slotted for a screw driver and generally used with a nut
C. Used to prevent relative motion be-tween parts
D. Provided with detachable caps

The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be________________?

A. 28
B. 8/2
C. 48
D. 8/4

Set screws are_________________?

A. Similar to small size tap bolts except that a greater variety of shapes of heads are available
B. Slotted for a screw driver and generally used with a nut
C. Used to prevent relative motion be-tween parts
D. Similar to stud

An alien bolt is___________________?

A. Self locking bolt
B. Same as stud
C. Provided with hexagonal depression in head
D. Used in high speed components

Ball bearing type screws are found in following application_____________________?

A. Screw jack
B. Aeroplane engines
C. Crane
D. Steering mechanism

The function of a washer is to___________________?

A. Provide cushioning effect
B. Provide bearing area
C. Absorb shocks and vibrations
D. Provide smooth surface in place of rough surface