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Materials and Construction

Materials and Construction
Spray dryer for evaporating milk to produce milk powder is made of

Cast iron
Stainless steel
Aluminium
Lead lined steel

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Materials and Construction
When the steel is subjected to normalising, its __________ decreases.

None of these
Ultimate tensile strength (UTS)
Yield point
Ductility

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

Pig iron
Grey cast iron
Nodular cast iron
White cast iron

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Materials and Construction
Glass is corroded by

Fluorine (dry or wet)
Phosphoric acid
Sulphuric acid
None of these

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

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

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Materials and Construction
Metalloid is

All of these
An element which exhibits the properties of both metal & non-metal
An alloy
Highly electronegative in nature

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