Which of the following is usually made of high carbon steel?
A.Hammers
B.Angle iron
C.Solid drawn tubes
D.Channels
Category: Metallurgy Mcqs
A fine grained steel will have the number of grains per square centimeter as
A.3 to 16
B.16 to 56
C.56 to 100
D.100 to 150
E.150 to 1000
Above the curie temperature, a magnetic material becomes
A.Diamagnetic
B.Paramagnetic
C.Ferromagnetic
D.Dielectric
E.None of the above
In tool steel the percentage of silicon is usually restricted to
A.0.2 percent
B.0.5 percent
C.1 percent
D.2 percent
E.5 percent
Which hardening process is generally not used for steels?
A.Induction hardening
B.Age hardening
C.Nitriding
D.Pack carburising
E.Cyanidin
Hypoeutectoid steel has the structure of
A.Cementite
B.Pearlite
C.Ferrite
D.Ferrite & pearlite
E.None of the above
White metal contains
A.Lead and bismuth
B.Mercury and zinc
C.Lead and zinc
D.Lead and copper
E.Copper, zinc and mercury
The allotropic form of iron not having body centred cubic lattice is
A.Alpha iron
B.Beta iron
C.Gamma iron
D.Delta iron
E.All of the above
For acid resistance cast iron should have silicon percentage of
A.1 percent
B.2 percent
C.10 percent
D.15 percent
E.25 percent
The hardness obtained by hardening process does not depend upon
A.Carbon content
B.Work size
C.Atmospheric temperature
D.Quenching rate
