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Materials and Construction

Materials and Construction
Which one has the maximum tensile strength out of the following?

White cast iron
Nodular cast iron
Pig iron
Grey cast iron

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Materials and Construction
Which of the following is produced by condensation polymerisation?

Polystyrene
Polythene
Bakelite
Poly vinyl chloride

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Materials and Construction
In SO₃ absorber (Contact Process), packing material used is of

Cast iron
Mild steel
Chemical stoneware
Karbate

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Materials and Construction
Wood metal is not used for making

Storage tank for storing brine and caustic soda
Fusible safety plug for pressure cooker
Casting for dental work
Soft solder

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Materials and Construction
Presence of manganese in alloy steel improves its

Abrasion resistance & toughness
Corrosion resistance
Cutting ability
Elasticity & creep resistance

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Materials and Construction
The 'bomb' in the bomb calorimeter is made of

Copper
High silicon iron (14% Si)
Molybdenum stainless steel
Mild steel

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