CHEMICAL ENGINEERING | Mass Transfer

In physical terms, Schmidt number means

Byadmin August 25, 2022

Question: In physical terms, Schmidt number means
[A].

thermal diffusivity/mass diffusivity.

[B].

thermal diffusivity/momentum diffusivity.

[C].

momentum diffusivity/mass diffusivity.

[D].

mass diffusivity/thermal diffusivity.

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)

Question: Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)
[A].

log P vs . T
[B].
log P vs. log T
[C].
T vs . P
[D].
P vs . log T

Answer: Option A

Explanation:

No answer description available for this question.

Read More Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)
CHEMICAL ENGINEERING | Materials and Construction

Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.

Question: Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.
[A].

1.5-2
[B].
3.5-4.5
[C].
7-9
[D].
12-14

Answer: Option D

Explanation:

No answer description available for this question.

Read More Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Linde gas liquefaction process employs cooling

Question: Linde gas liquefaction process employs cooling
[A].

by throttling
[B].
by expansion in an engine
[C].
at constant pressure
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Linde gas liquefaction process employs cooling
CHEMICAL ENGINEERING | Mass Transfer

Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Question: Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
[A].

chemical properties
[B].
physical properties
[C].
degree of turbulence
[D].
interfacial area

Answer: Option A

Explanation:

No answer description available for this question.

Read More Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
CHEMICAL ENGINEERING | Furnace Technology

Advantages of use of preheated combustion air are

Question: Advantages of use of preheated combustion air are
[A].

saving in fuel consumption.
[B].
reduction in scale losses.
[C].
increase in flame temperature.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Advantages of use of preheated combustion air are
Mass Transfer

Channelling is most severe_____________________?

Channelling is most severe_____________________?

A. In towers packed with stacked packing
B. In towers packed randomly with crushed solids
C. In dumped packing of regular units
D. At very high liquid flow rate

Read More Channelling is most severe_____________________?

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