Top 250+ Solved Metallurgy MCQ Questions Answer
Q. Which of the following material does not have body centred cubic structure?
a. Vanadium
b. Chromium
c. Zirconium
d. Lithium
e. Potassium
Q. Which of the following material is used for thermocouple junction?
a. Magnanin
b. Nichrome
c. Invar
d. Petwar
e. White metal
Q. If a sample of steel shown excessive hardness after tempering the probable cause could be
a. Insufficient holding time during tempering
b. Excessive proportion of alloying elements
c. High temperature during tempering
d. Change in volume during cooling
e. None of the above
Q. Which of the following is usually not a constituent of paints?
a. Career
b. Vehicle
c. Pigment
d. Drier
e. None of the above
Q. Magnetism is non-linearly related to the applied field in case of
a. Diamagnetic field
b. Paramagnetic field
c. Ferromagnetic field
d. All of the above
e. None of the above
Q. Above the curie temperature, a magnetic material becomes
a. Diamagnetic
b. Paramagnetic
c. Ferromagnetic
d. Dielectric
e. None of the above
Q. Which of the follwing is usually made of mild steel?
a. Drop forgings
b. Fish plates
c. Shear blades
d. Channels
e. Die blocks
Q. Bell metal is an alloy of
a. Copper and lead
b. Coper, tin, lead and zinc
c. Copper, antimony, aluminium and zinc
d. Copper and tin
e. Copper, lead and tin
Q. Which of the following material has body centred cubic structure?
a. Magnesium
b. Cadmium
c. Glass
d. Zinc.
e. Molybdenum
Q. 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
Q. If an article develops insufficient hardening after quenching, the defect can be corrected by
a. removing scale from surface
b. normalising or annealing followed by hardening
c. reheating the article in oxidizing atmosphere and quenching
d. Any of the above
e. Low specific heat of quenching oil
Q. Cast iron pipes are manufactured by
a. Centrifugal casting method
b. Die casting method
c. Lost wax method
d. Shell moulding method
e. Sand acting method
Q. Crucible for melting of metals are made of
a. Cast iron
b. Chromium
c. Graphite
d. Hard metal
e. Tungsten