Which of the following is high speed steel?
A.T 55 Ni Cr 65 Mo 30
B.T 75 W 18 Co 6 Cr 4
C.T 10 Cr 5 Mo 75 V 23
D.T 75 W 18 Co 6 Cr 4 V 1 Mo 75
E.None of the above
Category: Metallurgy Mcqs
Which of the following is closest to the purest form of iron
A.Wrought iron
B.Pig iron
C.Mild steel
D.Grey cast iron
E.Nodular cast iron
Eutectoid steel has a structure of
A.Sorbite
B.Nickel
C.Martensite
D.Bainite
E.A combination of all above
Cold worked components are generally subjected to
A.Annealing
B.Hardening
C.Shot peening
D.Sherodising
E.Tempering
The chemical formula of cementite is
A.FeC
B.Fe3C
C.FeC3
D.Fe2C3
E.Fe3C2
Nickel is
A.Ferromagnetic
B.Ferroelectric
C.Dielectric
D.Paramagnetic
E.None of the above
Alpha brass is a (an)
A.Inermediate phase
B.Interstitial compound
C.Substitutional solid solution
D.None of the above
