Ultimate tensile strength is least in case of
A.Cast iron
B.Wrought iron
C.Mild steel
D.Low carbon steel
E.High carbon steel
Category: Metallurgy Mcqs
Which of the following is usually not a constituent of paints?
A.Career
B.Vehicle
C.Pigment
D.Drier
E.None of the above
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
Which of the following furnace is used to convert liquid pig iron into steel?
A.Cupola
B.Open hearth furnace
C.Converter
D.Induction arc furnace
A steel specimen is heated to 730?C and cooled at the slowest possible rate in the furnace. Which property will be imparted to the steel piece?
A.Hardness
B.Softness
C.Toughness
D.Tempering
The crystal structure of alpha iron is
A.BCC
B.FCC
C.HCC
D.Cubic
E.None of the above
For each ton of pig iron produced in a blast furnace, the amount of ore used is approximately.
A.1 ton
B.2 tons
C.5 tons
D.13 tons
E.12.5 tons
During heat treatment, deformation and volume changes can be minimised by
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
Which of the following metal has the lowest specific gravity?
A.Monal metal
B.Magnesium
C.Copper
D.Bronze
E.Cast iron
Which of the following hardening process is generally used for non-ferous materials?
A.Cyaniding
B.Flame hardening
C.Pack carburizing
D.Age hardening
E.Nitriding
