Machine Design

A. ductile material
B. brittle material
C. elastic material
D. hard material
E. all of the above

A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key

A. increase shank diameter
B. increase its length
C. drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread
D. tighten die bolt properly
E. all of the above

A. same
B. coarser
C. finer
D. very coarse
E. very fine

A. tensile strength
B. compressive strength
C. shear strength
D. bending strength
E. torsional strength

A. d
B. 1.25 d
C. 1.5 d
D. 1.75 d
E. 2 d.

A. 30°
B. 45°
C. 60°
D. 80°
E. 85°.

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
E. none of the above

A. fine threads
B. coarse threads
C. coefficient of friction > tangent of load angle
D. hole for inserting split pin
E. two nuts for locking

A. a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron
B. a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel
C. both will be equally rigid
D. which one is rigid will depend on several other factors
E. none of the above