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Materials and Construction

Materials and Construction
Coke oven regenerators are made of __________ bricks.

Low thermal conductivity
High electrical conductivity
Fire clay
Silica

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Materials and Construction
The presence of impurities in iron

Decreases its melting point
Does not affect its melting point
Makes it malleable
Increases its melting point

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Materials and Construction
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its

Machinability
Corrosion resistance
Tensile strength
Compressive strength

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Materials and Construction
Babbit metal used for bearings is a____base alloy.

Lead
Aluminium
Tin
Copper

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Materials and Construction
Inconel is an alloy of

Copper and tin
Copper and nickel
Iron, nickel and chromium
Tin, zinc and nickel

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Materials and Construction
For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is

Stainless steel
Cast iron
Nickel
Aluminium

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MORE MCQ ON Materials and Construction

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