CHEMICAL ENGINEERING | Heat Transfer

For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is

Byadmin August 25, 2022

Question: For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is
[A].

forward

[B].

backward

[C].

parallel

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.

Question: A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.
[A].

40096
[B].
43196
[C].
53196
[D].
60196

Answer: Option D

Explanation:

No answer description available for this question.

Read More A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.
CHEMICAL ENGINEERING | Chemical Engineering Basics

In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.

Question: In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.
[A].

0.5
[B].
1
[C].
5
[D].
20

Answer: Option C

Explanation:

No answer description available for this question.

Read More In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.
CHEMICAL ENGINEERING | Heat Transfer

Intermittant tube cleaning is possible to be done in case of a __________ evaporator.

Question: Intermittant tube cleaning is possible to be done in case of a __________ evaporator.
[A].

basket type
[B].
horizontal tube
[C].
calendria
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Intermittant tube cleaning is possible to be done in case of a __________ evaporator.
CHEMICAL ENGINEERING

Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is__________________?

Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is__________________?

A. Alumina
B. Platinum
C. Vanadium pentoxide
D. Iron oxide

Read More Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is__________________?
Heat Transfer

According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?

According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?

A. absolute temperature (T)
B. I2
C. f
D. t
E. 1/r

Read More According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100° C and leaves at 60° C. A cold fluid enters the heat exchanger at 40° C. The mean temperature difference between the two fluids is

Question: A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100° C and leaves at 60° C. A cold fluid enters the heat exchanger at 40° C. The mean temperature difference between the two fluids is
[A].

20°C
[B].
40°C
[C].
60°C
[D].
66.7°C

Answer: Option A

Explanation:

No answer description available for this question.

Read More A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100° C and leaves at 60° C. A cold fluid enters the heat exchanger at 40° C. The mean temperature difference between the two fluids is

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