A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Machine Design }



43. 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 to be joined
C.Has both the ends threaded
D.Has pointed threads

44. For applications involving high stresses in one direction only the following type of thread would be best suited
A.ISO metric thread
B.Acme thread
C.Square thread
D.Buttress thread

45. The included angle in unified of American National threads is
A.60
B.55
C.47.5
D.29

46. The included angle in Acme threads is
A.60
B.35
C.47.5
D.29

47. 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

48. 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 between parts
D.Provided with detachable caps

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

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