CHEMICAL ENGINEERING | Heat Transfer

LMTD can’t be used as such without a correction factor for the

Byadmin August 25, 2022

Question: LMTD can’t be used as such without a correction factor for the
[A].

multipass heat exchanger.

[B].

baffled heat exchanger.

[C].

condensation of mixed vapour in a condenser.

[D].

all (a) (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Process

In the production of soda ash by Solvay process, the by-product is

Question: In the production of soda ash by Solvay process, the by-product is
[A].

CaCl2
[B].
NH4Cl
[C].
NH3
[D].
NaOH

Answer: Option A

Explanation:

No answer description available for this question.

Read More In the production of soda ash by Solvay process, the by-product is
CHEMICAL ENGINEERING | Fluid Mechanics

Colebrook equation for friction factor in turbulent flow is given by, . It reduces to Nikuradse equation for a value of equal to

Question: Colebrook equation for friction factor in turbulent flow is given by, . It reduces to Nikuradse equation for a value of equal to
[A].

0
[B].
1
[C].
∞
[D].
0.5

Answer: Option B

Explanation:

No answer description available for this question.

Read More Colebrook equation for friction factor in turbulent flow is given by, . It reduces to Nikuradse equation for a value of equal to
CHEMICAL ENGINEERING | Chemical Process

__________ acid is the main constituent of cotton seed oil.

Question: __________ acid is the main constituent of cotton seed oil.
[A].

Acetic
[B].
Linoleic
[C].
Palmitic
[D].
Oleic

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ acid is the main constituent of cotton seed oil.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In counter-current flow heat exchanger, the logarithmic temperature difference between the fluids is __________ as compared to parallel flow heat exchanger.

Question: In counter-current flow heat exchanger, the logarithmic temperature difference between the fluids is __________ as compared to parallel flow heat exchanger.
[A].

same
[B].
less
[C].
greater

Answer: Option C

Explanation:

No answer description available for this question.

Read More In counter-current flow heat exchanger, the logarithmic temperature difference between the fluids is __________ as compared to parallel flow heat exchanger.
CHEMICAL ENGINEERING | Chemical Engineering Basics

A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.

Question: A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.
[A].

0.01
[B].
0.1
[C].
0.25
[D].
0.5

Answer: Option B

Explanation:

No answer description available for this question.

Read More A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.
Heat Transfer

Which of the following is the case of heat transfer by radiation ___________________?

Which of the following is the case of heat transfer by radiation ___________________?

A. blast furnace
B. heating of building
C. cooling of parts in furnace
D. heat received by a person from fireplace
E. all of the above

Read More Which of the following is the case of heat transfer by radiation ___________________?

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