A.Holding the work piece between clamps and pouring water on it
B.Hoding the work piece vertically over the quenching bath and plunging it straight
C.Pulling the piece from both ends
D.Holding the piece horizontally in adequate supports
E.None of the above
A.Combustion of gases
B.Electric arc
C.Reaction of oxygen with metal
D.Chemical reaction involving finely divided aluminium and iron oxide
E.None of the above
A.In symmetrical casting only
B.To make castings sound
C.To get smooth surface on castings
D.To get cavity or recess in a casting
E.To strengthen mould
A.Die-casting
B.Investment casting
C.Centrifugal casting
D.Slush casting
E.Pressed casting
A.Tempering
B.Hardening
C.Annealing
D.Normalizing
A.reducing machining cost
B.increasing surface finish on scoled surfaces
C.reducing diffusion wear
D.None of the above
A.Used for very small articles
B.Used for symmetrical castings
C.Used in centrifugal castings
D.Used for large castings
E.Made out of wet sand and then skin dried
A.The method of analysis of flame colours for temperature determination
B.The method of determining alloying elements in steels
C.The method of determining each constituent in a complex vapour or gas mixture
D.The method of analysis of flame types
E.The method of determination of smoke density of exhaust gases
A.0.05 percent
B.0.10 percent
C.0.20 percent
D.0.30 percent
E.0.70 percent
A.Tail stock offset
B.Cross slide
C.Compound slide
D.All of the above
E.None of the above
