IndiaBIX

Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 13
21.
Raschig ring made of procelain cannot be used for treating concentrated
hydrochloric acid
nitric acid
alkalis
sulphuric acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
H2S present in naphtha reformed gas is removed by absorbing with
ethanolamine
K2CO3
HCl
vacuum gas oil
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
During constant rate drying period, vaporisation rate per unit drying surface area
decreases with time.
increases with time.
does not change with time,
does not affect the moisture content of the wet solid.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Pick out the wrong statement.
Mass transfer co-efficient does not account for gase-liquid diffusion.
Diffusion co-efficient and mass transfer co-efficient are not same in any mass transfer operation.
Contacting cold vapor-gas mixture with hot liquid exemplifies humidification process.
Contacting cold liquid with warm vapor-gas mixture exemplifies dehumidification process.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In rectifying section of a continuous distillation column, the
vapour is enriched with low boilers.
vapour is enriched with high boilers.
liquid is stripped of high boilers.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers