Top 250+ Solved Metallurgy MCQ Questions Answer
Q. Brass in an alloy of
a. Copper and lead
b. Copper and tin
c. Copper and nickel
d. Copper and aluminium
e. Copper and zinc
Q. Which of the following metals has highest specific gravity?
a. Silver
b. Copper
c. Iron
d. Aluminium
e. Brass
Q. Which of the following material is generally not used as deoxidiser for producing killed steel?
a. Copper
b. Ferro-silicon
c. Ferro-manganese
d. Aluminium
e. All of the above
Q. The net magnetic moment is zero is case of
a. Ferromagnetic materials
b. Ferrimagnetic materials
c. Anti-ferromagnetic materials
d. All of the above
e. None of the above
Q. In Brinell hardness tester the load for aluminium is
a. 1000 kg
b. 500 kg
c. 300 kg
d. 100 kg
e. 1500 kg
Q. The nature of atomic bond found in diamond is
a. Ionic
b. Covalent
c. Metallic
d. Either of above
e. None of the above
Q. Annealing treatment is normally used for
a. Forgings
b. Cold worked sheets
c. Wires
d. Castings
e. All of the above
Q. During dielectric heating, the heat is generated primarily due to
a. Eddy currents
b. High voltage
c. High flux density
d. High power consumption
e. Stray magnetic fields
Q. For each ton of pig iron produced in a blast furnace, the amount of ore used is approximately.
a. 1 ton
b. 13 tons
c. 5 tons
d. 2 tons
e. 12.5 tons
Q. Silicon when added to copper increases its
a. Brittleness
b. Malleability
c. Electrical conductivity
d. Hardness
e. Machinability
Q. Local hardening of steel can be done by all of the following EXCEPT
a. flame hardening
b. stepped uniform heating
c. resistance heating
d. Low specific heat of quenching oil
e. induction hardening
Q. Which of the following structure is least hard?
a. Pearlite
b. Presence of cementite
c. Martensite
d. Sorbite
e. Troosite
Q. In which process steel is heated below the critical temperature
a. Temperting
b. Hardening
c. Carburizing
d. Annealing
e. Normalizing
Q. Under identical values of cold and hot junction temperatures which thermocouple given the highest output
a. Iron constantan
b. All give equal output
c. Nickel nimo
d. Chromel-constantan
e. Platinum-platinum-rhodium