All of the following are destructive tests on materials EXCEPT:
A.Cupping test
B.Tensile test
C.Charpy test
D.Shore’s scleroscope hardness test
E.Fatigue test
Category: Engineering Materials Mcqs
The percentage of carbon in low carbon steel is
A.0.15
B.0.5
C.0.7
D.1
E.1.3
The modulus of elasticity E, the modulus of rigidity C, and Poisson’s ratio are related by the equation
A.E = 2G (1 +
B.E = G (2 +
C.E = G (1+ 2
D.E = 2G (1 –
E.E = 2G (1 – 2
The hardness of steel depends on
A.Heating temperature before quenching
B.Amount of carbon it contains
C.The shape and distribution of carbides in iron
D.Percentage of alloying elements
E.Basic process from which it is produced
Laser is a device to produce
A.a beam of white light
B.a beam of coherent light
C.microwaves
D.gamma rays
The property of materials by which they can be drawn into wires is known as
A.Ductility
B.Elasticity
C.Plasticity
D.Malleability
E.Creep
Which of the following material has lowest specific gravity?
A.Brass
B.Copper
C.High carbon steel
D.Zinc
E.Aluminium
Coolant is used on a lathe
A.To cool the work piece
B.To cool the tool
C.To remove the chips
D.All the above
E.None of the above
Cemented carbide tools are generally not used for the machining of
A.Steel
B.Aluminium
C.Brass
D.Bronze
E.Cast iron
Grey iron
A.Has low ductility
B.Breaks with appreciable distortion
C.Has brittleness
D.Low compression strength
E.None of the above
