MATERIALS AND CONSTRUCTION QUIZ

Hydrocyanic acid is not shipped in

Steel cylinders

Aluminium containers

Monel drums

Cast iron vessels

TRUE ANSWER : ?
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Wood is corroded by

All of these

Chlorine (dry or wet)

Hydrochloric acid

SO₂ (dry or wet)

TRUE ANSWER : ?
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The ability of a material to absorb energy in the elastic range is a measure of its

Malleability

Brittleness

Toughness

Resilience

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Rotary driers are generally made of

Cast iron

Mild steel

Tin lined with refractory bricks

High silicon iron (14% Si)

TRUE ANSWER : ?
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Phenol is not shipped in

Cast iron containers

Nickel lined steel tank cars

Boxed glass carboys

Galvanised or tin lined drums

TRUE ANSWER : ?
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Cast irons are generally specified by their

Manufacturing proces

Hardness

Carbon content

Tensile strength

TRUE ANSWER : ?
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Which one is remelted and poured into moulds to get cast iron?

Mild steel

Pig iron

Low carbon steel

Wrought iron

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Glass lined vessels are not used for handling/storing

Dilute HNO₃

Dilute H₂SO₄

Dilute HCl

Hydroflouric acid

TRUE ANSWER : ?
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Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making

Studs

Chiesels

Bolts

Nuts

TRUE ANSWER : ?
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Brine (15% concentration) can be stored in a vessel made of

Cast iron

Karbate

Monel

None of these

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