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Question 1 of 10
1. Question
Which of the accompanying temperature property in equal stream heat exchangers is utilized?
Correct
In equal stream heat exchanges, the left temperature of hot liquid is in every case more than the left temperature of the cold liquid.
Incorrect
In equal stream heat exchanges, the left temperature of hot liquid is in every case more than the left temperature of the cold liquid.
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Question 2 of 10
2. Question
For a similar bay and leave temperatures of two liquids, the LMTD for counterflow is consistent because?
Correct
the LMTD for counterflow is consistent for a same start and leave temperatures of two liquids will be more noteworthy than LMTD for an equal stream.
Incorrect
the LMTD for counterflow is consistent for a same start and leave temperatures of two liquids will be more noteworthy than LMTD for an equal stream.
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Question 3 of 10
3. Question
What ought to be the Biot number to expect the body at uniform temperature?
Correct
For a body at a constant temperature, the Biot number ought to be under 0.1.
Incorrect
For a body at a constant temperature, the Biot number ought to be under 0.1.
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Question 4 of 10
4. Question
Assume that a hot metal ball is abruptly drenched in virus water. What is the condition for the ball to keep up it at a uniform temperature?
Correct
If a hot metal ball is abruptly drenched in virus water, the conduction obstruction in a ball ought to be a little contrasted with the convection opposition for heat move from the surface of the ball to water.
Incorrect
If a hot metal ball is abruptly drenched in virus water, the conduction obstruction in a ball ought to be a little contrasted with the convection opposition for heat move from the surface of the ball to water.
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Question 5 of 10
5. Question
Aluminum is utilized as a blade material in light because of the fact that?
Correct
As the aluminum in metal has higher heat conductivity and is preferred.
Incorrect
As the aluminum in metal has higher heat conductivity and is preferred.
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Question 6 of 10
6. Question
Which of the following option describes the viability of the blade?
Correct
The viability of the blade can be described by the following statement.
” The proportion of real warmth moved from balance territory to the warmth which would be moved if the whole blade zone was at a base temperature. “Incorrect
The viability of the blade can be described by the following statement.
” The proportion of real warmth moved from balance territory to the warmth which would be moved if the whole blade zone was at a base temperature. “ -
Question 7 of 10
7. Question
The rate at which the sun-powered energy arriving at the world’s air is known as?
Correct
The solar constant is used to measure the solar energy intensity to the Earth.
Incorrect
The solar constant is used to measure the solar energy intensity to the Earth.
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Question 8 of 10
8. Question
In desert regions, there is a huge distinction among day and night temperatures essentially in view of?
Correct
A huge distinction among day and night temperatures is because of the onappearance of water fume in the air as it goes about as a hindrance for exuding infrared radiation from the earth’s surface.
Incorrect
A huge distinction among day and night temperatures is because of the onappearance of water fume in the air as it goes about as a hindrance for exuding infrared radiation from the earth’s surface.
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Question 9 of 10
9. Question
In the cycle of warmth move through expanded surfaces or balances, the whole surface zone is at?
Correct
According to the above-described scenario, the whole surface would be at different temperatures.
Incorrect
According to the above-described scenario, the whole surface would be at different temperatures.
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Question 10 of 10
10. Question
What are the reduced heat exchangers?
Correct
The compact heat exchanger acquires a large surface area to transfer heat per unit volume.
Incorrect
The compact heat exchanger acquires a large surface area to transfer heat per unit volume.