MATERIALS AND CONSTRUCTION QUIZ

Plastics are

Non-biodegradable

Not suitable for drainage pipe manufacture

Used in very high temperature applications

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The softest material just next to talc in the Mho's scale is

Quartz

Gypsum

Feldspar

Fluorite

TRUE ANSWER : ?
YOUR ANSWER : ?

Manganese in steel affects its

Tensile strength

None of these

Ductility

Hardness

TRUE ANSWER : ?
YOUR ANSWER : ?

Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Copper

Stainless steel

Brass

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitriding of steel is a process for

Case hardening

Annealing

Spheroidising

Normalising

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?

None of these

Molybdenum steel

Chromium steel

Silicon steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the hardest?

Austenite

Pearlite

Ferrite

Cementite

TRUE ANSWER : ?
YOUR ANSWER : ?

Carbon percentage in medium carbon steel is around

0.35 to 0.5

0.1 to 0.35

0.8 to 1.4

1 to 1. 5

TRUE ANSWER : ?
YOUR ANSWER : ?

Plasticisers are added to polymers to improve their

Tensile strength

Alkali resistance

Acid resistance

Softness & flexibility

TRUE ANSWER : ?
YOUR ANSWER : ?

In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of

Concrete

Porcelain

Wood

Steel

TRUE ANSWER : ?
YOUR ANSWER : ?

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