Mechanical Engineering MCQs

2075 MCQs  (Page 106 of 208)

Shear stress theory is applicable for____________________?
A. Ductile fnaterials
B. Brittle materials
C. Elastic materials
D. All of the above
A 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 to be joined
C. Has both the ends threaded
D. Is provided with pointed threads
A self locking screw has________________>
A. Fine threads
B. Coarse threads
C. Coefficient of friction > tangent of load angle
D. Hole for inserting split pin
Machine 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 two parts
D. Similar to stud