CHEMICAL ENGINEERING | Mass Transfer

For the same process conditions, the reflux ratio of an unlagged distillation column

Byadmin August 29, 2022

Question: For the same process conditions, the reflux ratio of an unlagged distillation column
[A].

decreases in winter

[B].

increases in winter

[C].

increases in summer

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

Molality is defined as the number of gm moles of solute per __________ of solvent.

Question: Molality is defined as the number of gm moles of solute per __________ of solvent.
[A].

litre
[B].
gm
[C].
Kg
[D].
m3

Answer: Option C

Explanation:

No answer description available for this question.

Read More Molality is defined as the number of gm moles of solute per __________ of solvent.
CHEMICAL ENGINEERING | Fuels and Combustion

Anthracite coal

Question: Anthracite coal
[A].

contains more volatile matter than bituminous coal.
[B].
ignites more easily than bituminous coal.
[C].
is essentially a coking coal.
[D].
burns with short, bluish, yellow-tipped flame producing very little smoke.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Anthracite coal
CHEMICAL ENGINEERING | Environmental Engineering

Aerobic biological oxidation ponds used for the purification of polluted water

Question: Aerobic biological oxidation ponds used for the purification of polluted water
[A].

destroys/removes pathogen from the sewage.
[B].
is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents.
[C].
destroys/removes pathogen much more effectively if the sewage is chlorinated.
[D].
all (a), (b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Aerobic biological oxidation ponds used for the purification of polluted water
CHEMICAL ENGINEERING | Fuels and Combustion

With increases in carbonisation temperature

Question: With increases in carbonisation temperature
[A].

coke even gas yield increases.
[B].
tar yield increases.
[C].
hydrogen percentage in the coke oven gas decreases.
[D].
methane percentage in the coke oven gas increases.

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increases in carbonisation temperature
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Heat pump

Question: Heat pump
[A].

accomplishes only space heating in winter.
[B].
accomplishes only space cooling in summer.
[C].
accomplishes both (a) and (b).
[D].
works on Carnot cycle.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Heat pump
Mass Transfer

Below is given an equilibrium moisture curve of a substance. State which regions represent free moisture and unbound moisture respectively ?

Below is given an equilibrium moisture curve of a substance. State which regions represent free moisture and unbound moisture respectively ?

A. II, III
B. II, IV
C. IV, III
D. IV, II

Read More Below is given an equilibrium moisture curve of a substance. State which regions represent free moisture and unbound moisture respectively ?

Similar Posts