Capacity of a cupola is expressed in terms of
A.Diameter of drum
B.Height of drum
C.Tons of castings it can produce in one charge
D.Tons of coke it can take in one charge
E.None of the above
A.Diameter of drum
B.Height of drum
C.Tons of castings it can produce in one charge
D.Tons of coke it can take in one charge
E.None of the above
A.Cupola
B.Open hearth furnace
C.Converter
D.Induction arc furnace
A.Hardness
B.Softness
C.Toughness
D.Tempering
A.BCC
B.FCC
C.HCC
D.Cubic
E.None of the above
A.1 ton
B.2 tons
C.5 tons
D.13 tons
E.12.5 tons
A.slowly cooling in the martensitic range
B.using surface hardening when possible
C.using alloy steels least prone to such changes
D.Any of the above
A.Monal metal
B.Magnesium
C.Copper
D.Bronze
E.Cast iron
A.Cyaniding
B.Flame hardening
C.Pack carburizing
D.Age hardening
E.Nitriding
A.Zinc
B.Copper
C.Lead
D.Aluminium
E.Phosphorous
A.Steel has been properly hardened
B.Steel has not been properly heated
C.Steel has been burned
D.Steel has achieved maximum possible hardness in accordance with the carbon percentage
E.Steel contains excessive alloying elements