Heat Transfer

The value of the wavelength for maximum emissive power is given by ___________________?

Byadmin January 24, 2019August 16, 2021

The value of the wavelength for maximum emissive power is given by ___________________?

A. Wien’s law
B. Planck’s law
C. Stefan’s law
D. Fourier’s law
E. Kirchhoff’s law

CHEMICAL ENGINEERING | Heat Transfer

__________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side.

Question: __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side.
[A].

Single pass, fixed tube sheet
[B].
U-tube
[C].
Three pass, fixed tube sheet
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side.
CHEMICAL ENGINEERING | Heat Transfer

In a single effect evaporator, the economy is

Question: In a single effect evaporator, the economy is
[A].

1
[B].
< 1
[C].
> 1
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a single effect evaporator, the economy is
Heat Transfer

When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________________?

When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________________?

A. conduction
B. convection
C. radiation
D. conduction and convection
E. convection and radiation

Read More When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A thermostatic expansion valve in a refrigeration system

Question: A thermostatic expansion valve in a refrigeration system
[A].

ensures the evaporator completely filled with refrigerant of the load
[B].
is suitable only for constant load systems
[C].
maintains different temperatures in evaporator in proportion to load
[D].
none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Read More A thermostatic expansion valve in a refrigeration system
CHEMICAL ENGINEERING | Heat Transfer

In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.

Question: In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.
[A].

geometric
[B].
arithmetic
[C].
logarithmic
[D].
either (a), (b) or (c)

Answer: Option C

Explanation:

No answer description available for this question.

Read More In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.
CHEMICAL ENGINEERING | Heat Transfer

For hot feed, forward feeding as compared to backward feeding results in __________ economy.

Question: For hot feed, forward feeding as compared to backward feeding results in __________ economy.
[A].

increased
[B].
decreased
[C].
no effect on
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More For hot feed, forward feeding as compared to backward feeding results in __________ economy.

Similar Posts