Mild steel has the structure of
A.FCC
B.BCC
C.HCC
D.Cubic
E.Orthorhombic
Category: Metallurgy Mcqs
Percentage of carbon in mild steel is
A.0.010 to 0.025
B.0.10 to 0.25
C.0.8 to 0.85
D.1.0 to 1.25
E.3.0 to 4.50
For nitriding, the nitrogen is provided by
A.Heated air
B.Ionised air
C.Ammonia
D.Nitrous oxide
E.Nitric acid
Which of the following material does not have body centred cubic structure?
A.Vanadium
B.Potassium
C.Lithium
D.Zirconium
E.Chromium
The depth of hardness in steel can be increased by the addition of
A.Vanadium
B.Sulphur
C.Tungsten
D.Nickel
E.Chormium
The upper range of mercury thermometer can be increased by
A.Increasing tube diameter
B.Providing steel tube
C.Taking into account expansion of tube
D.Filling the stem with nitrogen under pressure
E.Range cannot be increased
Steel recommended for induction hardening should have
A.Fine grains
B.Coarse grains
C.Low alloy content
D.Rough surface
E.Low electrical and thermal conductivity
Which of the following material can bear sudden and excessive shocks better?
A.Cast iron
B.Pig iron
C.White iron
D.Wrought iron
E.All have same shock bearing capacity
The principle on which a disappearing filamment type pyrometer works is known as
A.Kirchhoff’s law
B.Fourier’s law
C.Wien’s law
D.Peltier effect
E.Seeback effect
Compressive strength is highest in case of
A.Cast iron
B.Wrought iron
C.Mild steel
D.Low carbon steel
E.High carbon steel
