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Mass Transfer

Mass Transfer
Prandtl number for water at 20°C is about

0.7
150
70
7

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Mass Transfer
Separation of __________ employs gaseous diffusion process.

Isotopes of helium
N₂ and O₂ from air
SO₂ and air
Isotopes of uranium

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-1.5
-0.6
0.6
1.5

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Mass Transfer
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?

91.5
95
99
90

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Concentration
Thermal
Force
Pressure

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Mass Transfer
Which of the following is used for the concentration of rubber latex?

Calendria
Long tube vertical evaporator
Short tube evaporator
Agitated film evaporator

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