MATERIALS AND CONSTRUCTION QUIZ

Silicon percentage in acid resistant cast iron is about

8

4

14

20

TRUE ANSWER : ?
YOUR ANSWER : ?

Lead

Is the hardest metal in common use

Can not be scratched by finger nails

Can not be work hardened

Is the lightest metal in common use

TRUE ANSWER : ?
YOUR ANSWER : ?

A suitable material of construction to use with fuming sulphuric acid is

Stainless steel type 304

Carbon steel

Nickel

Monel

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following mechanical properties of a material is most structure insensitive?

Modulus of elasticity (young

Percentage reduction of area

Toughness

Tensile strength

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following stainless steels is non-magnetic?

Martensitic

Austenitic

None of these

Ferritic

TRUE ANSWER : ?
YOUR ANSWER : ?

Ceramic materials are

Stronger in compression than in tension

Always bad heat conductors

Organic in nature

Always amorphous in nature

TRUE ANSWER : ?
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Wrought iron is a suitable material of construction for handling __________ solutions.

None of these

Alkalis & alkaline

Dilute acidic

Concentrated acidic

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is an amorphous material?

Glass

Mica

Cast iron

Brass

TRUE ANSWER : ?
YOUR ANSWER : ?

The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability?

Copper

Lead

Wrought iron

Aluminium

TRUE ANSWER : ?
YOUR ANSWER : ?

Photographic plates are coated with

Silver halide

Metallic silver

Silver nitrate

Calcium silicate

TRUE ANSWER : ?
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