Mass Transfer
Which of the following is not fixed by the process requirements, in the design of absorbers?

None of these
Terminal concentrations of gas stream
Flow rate of the entering gas
Composition of the entering liquid

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
An example of elutioh is

Separation of sugar from sugar beet by hot water
Dissolution of tannin out of tree barks by water
Recovery of vegetable oils from seeds
Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Pick out the wrong statement pertaining to the rotary dryer.

Recommended peripherial speed of a rotary drier is in the range of 10 to 30 metres/minute
Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of hot air/gases. It extends from the wall to a distance which is about 8-12%
Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at any instant. The best performance for rotary drier is obtained, when the hold up is in the range of 0.
Rotary dryer is suitable for drying sticky material

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Mass Transfer