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Mass Transfer

Mass Transfer
The most efficient cooling tower out of the following is

Induced draft
Forced draft
Atmospheric
Natural draft

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Mass Transfer
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

Sensible heat
Latent heat
Humid heat
Specific heat

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Mass Transfer
In triangular co-ordinates, the ternery composition point falls __________ of the triangle.

Inside
None of these
On the sides
In the corners

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

Increasing the air velocity over the wet surfaces
Reducing the humidity of entering air
Lowering the barometric pressure
None of these

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Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

2f
1/f
F
F/2

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Mass Transfer
Steam distillation is used to separate

Mixtures of low relative volatility
Heat sensitive materials
High boiling substances from nonvolatile impurities
Azeotropes

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