In a glass metal seal the two components must match with respect to their
A.Hardness
B.Thermal expansion
C.Ductility
D.Fatigue strength
Category: Engineering Materials Mcqs
Which of the following material can withstand maximum shocks without failure?
A.White cast iron
B.Malleable cast iron
C.Chilled cast iron
D.Gray cast iron
E.Pig iron
When elastic limit is reached
A.Tensile strain decreases in proportion to stress
B.Tensile strain increases in proportion to stress
C.Tensile strain increases more quickly
D.Tensile strain decreases more quickly
E.None of the above
The technique of converting metallic powders into articles of definite form is known as
A.High pressure pressing
B.Carbiding
C.Powder metallurgy
D.Plasticizing
E.None of the above
What is the atomic or ionic characteristic that determines the elements of which the atom or iron is representative?
A.The number of protons
B.The number of neutrons
C.The nuber of electrons
D.The mass
Which of the following pipe will corrode easily?
A.Stainless steel pipe
B.Lead pipe
C.Copper pipe
D.ERW pipe
E.GI pipe
Steel balls for ball bearings are generally made of
A.Stainless steel
B.Free carbon steel
C.Carbon chrome steel
D.Nodular cast iron
E.Cast steel
Which of the following material has highest specific gravity?
A.Brass
B.High carbon steel
C.Lead
D.Aluminium
E.Copper
Any process of heating and cooling steel that produces a rounded or globular from of carbide is known as
A.Nomalizing
B.Ultra hardening
C.Drawing
D.Nitriding
E.Spheroidizing
The greatest amount of strain energy per unit volume that a material can absorb sithout exceeding its elastic limit is
A.Elastic limit
B.Toughness
C.Resilience
D.Proof resilience
E.Endurance limit
