1000+ Metallurgy Interview Questions and Answers Pdf - 1
Question: 1
In high frequency heating of steel, the heat is generated primarily due to
(A) high voltage
(B) high power
(C) eddy currents
(D) stray magnetic fields
Ans: C
eddy currents
Question: 2
Dilute nitric acid applied to a clean fracture of wrought iron gives
(A) grey stain
(B) blue stain
(C) white stain
(D) greenish stain
Ans: C
white stain
Question: 3
Petrol engine carburetors are manufactured by
(A) die casting
(B) shell casting
(C) centrifugal casting
(D) sand casting
Ans: A
die casting
Question: 4
Which of the following operation on grey cast iron will result in the production of white cast iron?
(A) rapid heating
(B) shot peening
(C) tempering
(D) tumbling
Ans: A
rapid heating
Question: 5
Nickel is
(A) paramagnetic
(B) dielectric
(C) ferroelectric
(D) ferromagnetic
Ans: D
ferromagnetic
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