Which process will improve the fatigue life of a part?
A.Electroplating
B.Chemical coating
C.Electrocoating
D.Polishing
E.Shot peening
A.Electroplating
B.Chemical coating
C.Electrocoating
D.Polishing
E.Shot peening
A.Shape
B.Diameter of head
C.Shank diameter
D.Weight
E.Volume
A.In bench vices
B.In screw jacks
C.In earthmoving machinery
D.Steering mechanisms
E.None of the above
A.tan-1 0.5
B.tan-1 2.0
C.sin-1 0.5
D.sin-1 2.0
E.cos-1 0.5
A.To increase hardness at the centre
B.To increase the hardness of the core
C.To increase hardness uniformly
D.To increase hardness on the surface only
E.To increase hardness at a spot only
A.Structural work
B.Ship building
C.Aircraft body
D.Any of the above
E.None of the above
A.Wood, phosphor bronze, lead glass steel
B.Wood, glass, phosphor bronze, lead steel
C.Wood, glass, lead, phosphor bronze, steel
D.Wood, lead, glass, phosphor bronze, steel
E.Wood, phosphor bronze, glass, lead, steel
A.The key way is cut in shaft only
B.The key way is cut in both shaft and hub
C.The key is welded to shaft
D.The key ways is cut in hub only
E.The key is made of flexible material
A.Gas welding
B.Submerged are welding
C.TIG welding
D.MIG welding
E.Electro slag welding