Category: Machine Design Mcqs

A.In the direction of screwing in
B.In the direction of screwing out
C.In the direction normal to the screw axis
D.In the plane of principal axis
E.In the shear plane

A.Youngs modulus
B.Modulus of rigidity
C.Electricity parameters
D.Elastic limit
E.Endurance limit

A.Locking devices
B.Transmission of power
C.Absorption of shocks and vibrations
D.Lifting and transporting heavy pieces
E.None of the above

A.On same setting in a machine
B.With the one cutter
C.With same cutter
D.With cutter of same diameter as that of gear
E.With cutters of same moduic

A.Used on sheet metal work only and are generally self-threading type
B.Used by welding to the structure for relative location of parts
C.Similar to small size bolts except that a great variety of shades of heads are available
D.Unsed in furniture work only
E.Generally nickel plated and used where external show is important

A.Left hand threads
B.Right hand threads
C.Right hand threads on one side and left hand threads on the other side
D.Has no threads
E.None of the above

A.The direction of twist in wires in strands is the same as the direction of twist of strands
B.The direction of twist in wires in strands is opposite to the direction of twist of strands
C.Wires in two adjacent strands are twisted in opposite direction
D.Wires are never twisted
E.Only one wire is twisted and wrapped around

A.10?
B.20?
C.30?
D.40?
E.60?

A.Inner race should be harder than balls
B.Outer race should be harder than balls
C.Inner race should harder than outer race
D.Inner race, outer race and balls should be equally hardened
E.Only cage should be hardened

A.Harmonic
B.Tangent
C.Involute
D.Flat
E.Cylindrical