MATERIALS AND CONSTRUCTION QUIZ

Tempering of steel is done to make it

Soft

Hard

Brittle

Rollable

TRUE ANSWER : ?
YOUR ANSWER : ?

Cast iron has very high

Shock resistance

Resistance to brittleness

Ductility

Compressive strength

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following contains maximum percentage of carbon?

Saws for cutting steel

Boiler plate steel

Rail steel

Railway spring steel

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ steel is widely used for the manufacture of motor car crankshafts.

Nickel

Silicon

High speed

Chrome

TRUE ANSWER : ?
YOUR ANSWER : ?

Karbate is

An acid resistant material

A mixture of iron dust and saw dust

Both B and C

Carbon impregnated with resin (usually bakelite)

TRUE ANSWER : ?
YOUR ANSWER : ?

Valves in pipe size of 2" and under are normally made of

Brass

Monel

Bronze

Wrought iron

TRUE ANSWER : ?
YOUR ANSWER : ?

Copper has very low

Thermal & electrical conductivity

Tensile strength

Ductility

Malleability

TRUE ANSWER : ?
YOUR ANSWER : ?

Percentage of silver in German silver is

5

0

20

10

TRUE ANSWER : ?
YOUR ANSWER : ?

Purity of electrical grade aluminium should be ≥ __________ percent.

90

99.5

85

95

TRUE ANSWER : ?
YOUR ANSWER : ?

Biological shield in a nuclear power reactor is made of

Zircalloy

Steel

Concrete

Cadmium

TRUE ANSWER : ?
YOUR ANSWER : ?

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