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Engineering :: Engineering Materials

141.  Which process is used for machining parts to planned dimensions?
A. Routing B. Shearadising
C. Electroforming D. Swaging
E. Anodizing    
142.  Which process is used for joining parts or materials?
A. Tumbling B. Parkerizing
C. Swaging D. Extruding
E. Sintering    
143.  Cheek is
A. Top surface of metal B. Physical property of metal
C. Core of the welded joints in case of very thick material D. Non-ferrous coating on materials
E. Intermediate flask between copes and drag    
144.  The phenomenon of weld decay is found in
A. Cast iron B. Brass
C. Bronze D. Gun metal
E. Stainless steel    
145.  In pack-carburising carbon is supplied
A. Through gas B. In the form of graphite
C. In the form of charcoal D. In the form of hydrocarbons
E. In the form of calcium carbide    
146.  Age hardening is generally applicable to
A. Cast iron B. Medium carbon steels
C. High alloy steels D. Alloys of aluminium, magnesium, nickel etc
E. Alloys of chromium, vanadium etc    
147.  In induction hardening
A. The voltage is high B. The current is high
C. The frequency is high D. The power factor is high
E. Only d.c. supply is used    
148.  In flame hardening the flame used is
A. A wick stove B. Oil burner
C. Gas burner D. Oxy-acetylene
E. Oxygene air    
149.  Which process is used primarily to obtain surface finish
A. Parkerizing B. Shining
C. Broaching D. Electroforming
E. Swaging    
150.  Age hardening is related with
A. Stainless steel B. Gun metal
C. Duralumin D. Cast iron
E. German silver    

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