In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.

Byadmin August 23, 2022

Question: In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
[A].

velocity of circulation

[B].

liquor-film co-efficient

[C].

both (a) and (b)

[D].

neither (a) and (b)

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

If Prandtl number is greater than the Schmidt number, then the

Question: If Prandtl number is greater than the Schmidt number, then the
[A].

thermal boundary layer lies inside the concentration boundary layer.
[B].
concentration boundary layer lies inside the thermal boundary layer.
[C].
thermal & concentration boundary layers are of equal thickness.
[D].
hydrodynamic(i.e., momentum)boundary layer is thicker than the other two.

Answer: Option A

Explanation:

No answer description available for this question.

Read More If Prandtl number is greater than the Schmidt number, then the
Heat Transfer

In heat exchangers, degree of approach is defined as the difference between temperatures of________________?

In heat exchangers, degree of approach is defined as the difference between temperatures of________________?

A. cold water inlet and outlet
B. hot medium inlet and outlet
C. hot medium outlet and cold water inlet
D. hot medium outlet and cold water outlet
E. none of the above

Read More In heat exchangers, degree of approach is defined as the difference between temperatures of________________?
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Entropy change of mixing two liquid substances depends upon the

Question: Entropy change of mixing two liquid substances depends upon the
[A].

molar concentration
[B].
quantity (i.e. number of moles)
[C].
both (a) and (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More Entropy change of mixing two liquid substances depends upon the
CHEMICAL ENGINEERING | Fertiliser Technology

In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable

Question: In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable
[A].

CaSO4 .H2O and CaSO4 crystals
[B].
pyrophosphoric acid
[C].
metaphosphoric acid
[D].
all (a), (b) and (c).

Answer: Option A

Explanation:

No answer description available for this question.

Read More In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

__________ functions are exemplified by heat and work.

Question: __________ functions are exemplified by heat and work.
[A].

Path
[B].
Point
[C].
State
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ functions are exemplified by heat and work.
Heat Transfer

Planck’s law holds good for________________?

Planck’s law holds good for________________?

A. black bodies
B. polished bodies
C. all coloured bodies
D. all of the above
E. none of the above

Read More Planck’s law holds good for________________?

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