Top 350+ Solved Engineering Materials MCQ Questions Answer
Q. If a body has identical properties all over it is known as
a. Ductile
b. Isentropic
c. Plastic
d. Elastic
e. Homogeneous
Q. 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
Q. In Brinell hardness testing, while determining hardness of aluminium
a. Indenting ball of smaller diameter is used
b. Time of loading is reduced
c. Load on the indenter is reduced
d. Plastic
Q. In flame hardening the flame used is
a. Oil burner
b. A wick stove
c. Oxygene air
d. Gas burner
e. Oxy-acetylene
Q. Viscoelastic materials show behaviour which is
a. Elastic
b. Inelastic
c. Independent of time
d. Plastic
e. Time dependent
Q. Age hardening is generally applicable to
a. Alloys of aluminium, magnesium, nickel etc
b. High alloy steels
c. Cast iron
d. Alloys of chromium, vanadium etc
e. Medium carbon steels
Q. Inconel is an alloy containing
a. Nickel, zinc and iron
b. Copper nickel and chromium
c. Nickel, chromium and iron
d. Nickel, copper and iron
e. Copper, nickel and cobalt
Q. Just as strong is opposite to weak, similarly brittle is opposite to
a. Tough
b. Rigid
c. Elastic
d. Soft
e. Hard
Q. Gel is
a. a polymer having side groups distributed randomly along a vinyl polymer chain
b. a polymer having secondary chains branching from the main molecular chains
c. A solid frme work of colloidal particles linked together and containing a fluid in its interstices
d. a polymer in which the repeating unit of each moleule has viny group
e. None of the above
Q. Aluminium alloys for pressure die casting
a. Must possess considerable fluidity
b. Must not be free from hot shortness
c. Must have iron as one of the constituents
d. Must be light
e. None of the above
Q. Carburizing is done
a. By heating 200?C below critical temperature
b. On steels with carbon percentage of 0.5%
c. To induce soft surface for machining on a hard core
d. To improve hardenability of steel
e. On steel with carbon percentage of 0.7%
Q. The amount of cold work that a metal will stand is dependent upon
a. Room temperature
b. Carbon percentage
c. Ductility
d. Purity of metal
e. Process
Q. Solder is an alloy consisting of
a. Copper and aluminium
b. Lead and copper
c. Tin and lead
d. Tin, antimony and copper
e. Tin and copper
Q. Which of the following material can be used for the filaments in incandescent lamps?
a. Carbon
b. Tungsten
c. Tantalum
d. Any of the above
e. None of the above
Q. As per ISS : designation T 70 W 18 4V 1 is
a. Stainless steel
b. Low carbon steels
c. High speed steel
d. Soft
e. Silicon steel