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Chemical Engineering Basics

Chemical Engineering Basics
Paint spray gun works on the principle of

Newton's law of viscosity
Boyle's law
Bernoulli's theorem
None of these

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Chemical Engineering Basics
Lead is added to 60:40 brass primarily to improve

Machinability
Fluidity
Strength
Corrosion resistance

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Chemical Engineering Basics
__________ is not a heat treatment process.

Martempering
Cyaniding
Pakerising
Austempering

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Chemical Engineering Basics
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Rain of molten lead
Jet of water at high pressure
Mixture of water and air
Blast of air

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Chemical Engineering Basics
Brinell Hardness Number (BHN) for talc is approximately in the range of

1-5
20-30
100-150
200-250

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Chemical Engineering Basics
The phenomenon of strain-ageing is generally experienced with

Cast iron
High manganese steel
High carbon steel
Low carbon steel

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