HEAT AND MASS TRANSFER QUIZ

Combination of metals and ceramics are called

Non-crystalline ceramics

Cermets

Pellets

Metalloy

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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

Wrought iron

Aluminium

Lead

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Carbon content in plain carbon steel is __________ percent.

0.85 to 1.2

0.1 to 0.15

0.65 to 0.80

0.35 to 0.45

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Alpha iron is stable __________ °C.

Above 1403

Above 1800

Between 910 & 1403

Upto 910

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Brine solution is stored/treated in __________ lined vessels/pipes.

Lead

Nickel

Glass

Rubber

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Nitriding of steel is a process for

Annealing

Case hardening

Normalising

Spheroidising

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Light weight metallic alloy used in aircraft industry is

Phosphor bronze

High silicon (14%) iron

Aluminium

Duralumin

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Lead lined equipments & vessels are suitable for handling

Sulphuric acid upto 60°C

Nitric acid

All of these

Hydrochloric acid (10%)

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__________ alloys have the highest specific strength of all the structural materials out of the following.

Titanium

Chromium

Magnetic steel

Magnesium

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Water gas generator is made of

High carbon steel-procelain lined

Carbon steel-brick lined

Cast iron

Stainless steel-lead lined

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YOUR ANSWER : ?

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