MATERIALS AND CONSTRUCTION QUIZ

Steel pipes are normally manufactured by __________ process.

Electroforming

Forging

Extrusion

Cold working

TRUE ANSWER : ?
YOUR ANSWER : ?

Most suitable material for high pressure vessel operating at 500 atm. and 500° C is

High silicon iron (14% Si)

18/8 stainless steel

Molybdenum stainless steel

Mild steel

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YOUR ANSWER : ?

Which of the following crystal structures characterises the ferritic stainless steel?

Face centred cubic

Simple hexagonal

None of these

Body centred cubic

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YOUR ANSWER : ?

Visco-elastic behaviour of materials which is time dependent is common in

Non-crystalline organic polymer

Crystalline solid

Plastics

Non-crystalline solids

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YOUR ANSWER : ?

__________ is a donor impurity for semi-conductors.

None of these

Antimony

Gallium

Boron

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YOUR ANSWER : ?

Rubber lined pumps can be used to pump

Hypochlorous acid

Chlorinated brine

All of these

Caustic soda

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YOUR ANSWER : ?

The increase in hardness of metal due to its cold working is termed as the __________ hardening.

Induction

Flame

Work

Age

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Centrifugal pump made of pyrex or glass can't be used to pump

Dilute H₂SO₄ at room temperature

Alkaline solutions

Milk and fruit juices

Brine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following alloys does not contain nickel?

Babbit metal

Inconel

Chlorinet - 2 alloy

Monel

TRUE ANSWER : ?
YOUR ANSWER : ?

Caustic soda is transported in __________ lined containers.

Glass

Nickel

Neoprene

Either B or C

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YOUR ANSWER : ?

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