Mass Transfer - Study Mode
[#311] A mixture of 10% C 6 H 6 vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C.
Correct Answer
(D) 18.7
[#312] For a binary mixture with low relative volatility,
Correct Answer
(D) An azeotrope may be formed during distillation
[#313] In continuous distillation, the internal reflux ratio (R i ) and the external reflux ratio (R e ) are related as
Correct Answer
(D) $${{ ext{R}}_{ ext{i}}} = frac{{{{ ext{R}}_{ ext{e}}}}}{{1 + {{ ext{R}}_{ ext{e}}}}}$$
[#314] At a fixed total pressure, humidity depends only on the
Correct Answer
(A) Partial pressure of vapour in the mixture
[#315] Which of the following is not fixed by the process requirements, in the design of absorbers?
Correct Answer
(D) None of these