Machine Design

A. 28
B. 8/2
C. 48
D. 8/4
E. none of the above

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
E. similar to stud

A. 60°
B. 55°
C. 47°
D. 29°
E. none of the above

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
E. requires locking devices

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
E. requires locking nuts

A. ductile materials
B. brittle materials
C. elastic materials
D. all of the above
E. none of the above

A. major diameter
B. minor diameter
C. pitch diameter
D. core diameter
E. none of the above

A. increases markedly
B. decreases markedly
C. remains same
D. depends on heat treatment carried out
E. none of the above

A. same
B. 1/2
C. 1/3
D. 1/4
E. 2/3

A. Young’s modulus
B. coefficient of elasticity
C. elastic limit
D. ultimate tensile strength
E. endurance limit