ENGINEERING MATERIALS QUIZ

Which of the following property is desirable for materials used in tools and machines?

Malleability

Elasticity

Plasticity

Ductility

TRUE ANSWER : ?
YOUR ANSWER : ?

Blast furnace is used to produce

Cast iron

Steel

Wrought iron

Pig iron

TRUE ANSWER : ?
YOUR ANSWER : ?

The temperature required for full annealing in hypereutectoid steel is

30° C to 50° C below upper critical temperature

30° C to 50° C above upper critical temperature

30° C to 50° C below lower critical temperature

30° C to 50° C above lower critical temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

A coarse grained steel

Is less tough and has a greater tendency to distort during heat treatment

Is more ductile and has a greater tendency to distort during heat treatment

Is less tough and has a less tendency to distort during heat treatment

Is more ductile and has a less tendency to distort during heat treatment

TRUE ANSWER : ?
YOUR ANSWER : ?

Solder is an alloy consisting of

Lead and zinc

Tin and copper

Tin and lead

Tin, antimony, copper

TRUE ANSWER : ?
YOUR ANSWER : ?

The following element can't impart high strength at elevated temperature

Silicon

Magnesium

Manganese

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

A cold chisel is made of

High carbon

Cast iron

H.S.S.

Mild steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Addition of silicon to aluminium results in

Improving machinability

One of the best known age and precipitation hardening systems

Improvement of casting characteristics

Improvement of corrosion resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

Aluminium bronze contains aluminium and copper in the ratio of

2.1180555555556

2.5277777777778

40 : 60

0.47916666666667

TRUE ANSWER : ?
YOUR ANSWER : ?

The blade of a power saw is made of

Malleable cast iron

Boron steel

Stainless steel

High speed steel

TRUE ANSWER : ?
YOUR ANSWER : ?