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Materials and Construction

Materials and Construction
The heat treatment process applied to cold formed steel parts is

Normalising
Solution annealing
Artificial ageing
Tempering

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Materials and Construction
Addition of __________ in steel can help in increasing the depth of hardness.

Chromium
Nickel
Vanadium
Tungsten

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Materials and Construction
Softness of silver can be converted into hardness by alloying it with small quantity of

Aluminium
Tin
Zinc
Copper & nickel

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Materials and Construction
Glass lined vessels are not used for handling/storing

Dilute HCl
Hydroflouric acid
Dilute HNO₃
Dilute H₂SO₄

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Materials and Construction
Most suitable material of construction for the storage of concentrated nitric acid is

Karbate
Monel
Cast iron
Aluminium or chromium alloys (Cr > 18% for cold acid)

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Materials and Construction
The specific gravity of coal depends mainly on its __________ content.

Ash
Moisture
Carbon
Volatile matter

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MORE MCQ ON Materials and Construction

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