MATERIALS AND CONSTRUCTION QUIZ

__________ is not a case hardening process.

Nitriding

Carburising

Annealing

Cyaniding

TRUE ANSWER : ?
YOUR ANSWER : ?

German silver is an alloy of copper, nickel and

Tin

Silver

Lead

Zinc

TRUE ANSWER : ?
YOUR ANSWER : ?

Zinc is highly __________ at room temperature.

Ductile

Resistant to atmospheric corrosion

Malleable

Brittle

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following, copper vessels are the most suitable for the storage of

Bromine

Dry chlorine & dry fluorine

Nitric acid (95% and fuming)

Phosphoric acid (95%) & sulphuric acid (95% and fuming)

TRUE ANSWER : ?
YOUR ANSWER : ?

Cast iron is

Manufactured in cupola and is brittle

Used for making shock resisting parts

Having compressive strength more than its tensile strength

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Corrosion resistance of steel is increased by the addition of

Phosphorous and tungsten

Nickel and chromium

Molybdenum and tungsten

Lead and vanadium

TRUE ANSWER : ?
YOUR ANSWER : ?

Lead

Is the lightest metal in common use

Can not be scratched by finger nails

Is the hardest metal in common use

Can not be work hardened

TRUE ANSWER : ?
YOUR ANSWER : ?

The fermentor used for the production of ethyl alcohol from molasses is made of

Copper bearing steel

Procelain

Concrete

Wood

TRUE ANSWER : ?
YOUR ANSWER : ?

Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of

Copper

Aluminium

High carbon steel

Brass

TRUE ANSWER : ?
YOUR ANSWER : ?

How many molecules per unit cell are there in a face centred cubic lettice?

4

6

2

8

TRUE ANSWER : ?
YOUR ANSWER : ?

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