MATERIALS AND CONSTRUCTION QUIZ

Atmospheric corrosion of metals result from their

Fast hydration

Slow oxidation

Fast oxidation

Slow dehydration

TRUE ANSWER : ?
YOUR ANSWER : ?

The phenomenon in which slow extension of material takes place with the time at constant load is called

Ductility

Elasticity

Creep

Plasticity

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Steel rods are used in reinforced concrete to increase its __________ strength.

None of these

Shear

Compressive

Tensile

TRUE ANSWER : ?
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Photographic plates are coated with

Silver halide

Calcium silicate

Silver nitrate

Metallic silver

TRUE ANSWER : ?
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Which of the following contains maximum percentage of carbon?

Boiler plate steel

Railway spring steel

Rail steel

Saws for cutting steel

TRUE ANSWER : ?
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Tin coating is not done by

Hot dipping

Spraying

Electro deposition

Vaporising

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Which has the maximum melting point out of the following?

Wrought iron

Steel

Stainless steel

Cast iron

TRUE ANSWER : ?
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Thermosetting resins are those polymers, which

None of these

Allow slip to occur between molecules

Do not increase in plasticity with rise in temperature

Do not take on a permanent set

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In hot wire aneomometer used for gas flow measurement, the wire is normally made of

Chromium

Copper

Platinum

Constantan

TRUE ANSWER : ?
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Chilled iron castings are

None of these

Easily machinable

Soft on surface

Highly wear resistant

TRUE ANSWER : ?
YOUR ANSWER : ?

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