Question:
Air flow in an air cooler follows which process?
Air flow in an air cooler follows which process?
Show Hint
On a psychrometric chart, evaporative cooling follows lines of constant enthalpy (moving up and to the left).
Updated On: May 2, 2026
- Isobaric
- Carnot
- Isoenthalpic
- Isentropic
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Question:
The question asks to identify the thermodynamic classification of the cooling process occurring in an evaporative cooler.
Step 2: Detailed Explanation:
Evaporative cooling is an adiabatic process where air passes over a wet surface.
The air provides the sensible heat required to evaporate the water. This results in the air temperature decreasing (sensible cooling) while its moisture content increases (latent heating).
Since no external heat is added or removed from the system as a whole (it is adiabatic), the total energy (enthalpy) of the air remains constant. Therefore, the process is isoenthalpic.
Step 3: Final Answer:
The air flow in a cooler undergoes an isoenthalpic process as sensible heat is converted into latent heat of vaporization.
The question asks to identify the thermodynamic classification of the cooling process occurring in an evaporative cooler.
Step 2: Detailed Explanation:
Evaporative cooling is an adiabatic process where air passes over a wet surface.
The air provides the sensible heat required to evaporate the water. This results in the air temperature decreasing (sensible cooling) while its moisture content increases (latent heating).
Since no external heat is added or removed from the system as a whole (it is adiabatic), the total energy (enthalpy) of the air remains constant. Therefore, the process is isoenthalpic.
Step 3: Final Answer:
The air flow in a cooler undergoes an isoenthalpic process as sensible heat is converted into latent heat of vaporization.
Was this answer helpful?
1
0
Top IIITH UGEE Physics Questions
- A known positive charge is located at point P as shown above, between two unknown charges, Q1 and Q2. P is closer to Q2 than Q1. If the net electric force acting on the charge at P is zero, it may correctly be concluded that:
- A man can cover a distance in 1 hour 24 minutes by covering 2/3 of the distance at 4 km/h and the rest at 5 km/h. The total distance is
- Three identical masses are at the three corners of the triangle, connected by massless identical springs (rest length \( l_0 \)) forming an isosceles right angle triangle. If the two sides of equal length (of length \( 2l_0 \)) lie along the positive x-axis and positive y-axis, then the force on the mass that is not at the origin but on the x-axis is given by \( \hat{i} + \hat{j} \) with \( a \) and \( b \).
- Asim got thrice as many sums wrong as he got right. If he attempted 60 sums in all, how many sums did he solve correctly?
- A square closed loop of area A, lying in the horizontal plane, is moving horizontally with velocity \( v \) in a uniform vertical magnetic field \( B \). Which one of the following statements is FALSE?
View More Questions
Top IIITH UGEE Particle Motion Questions
- A graph shows the velocity of an object as a function of time. Describe the motion of the object in detail, including its acceleration and displacement, at different points in time. What does the area under the curve represent?
- A graph shows the velocity of an object as a function of time. Describe the motion of the object in detail, including its acceleration and displacement, at different points in time. What does the area under the curve represent?
Top IIITH UGEE Questions
- Choose the correct alternative that will continue the same pattern and fill in the blank spaces. 2, 7, 14, 23, —–, 47
- It is postulated that huge deposits of NaCl (rock salt) and CaCO3 (chalk and marble) are sites of erstwhile oceans, where the salts had been concentrated through weathering by rain and wind and leaching by rivers. Select the correct explanatory statement in this context.
- A known positive charge is located at point P as shown above, between two unknown charges, Q1 and Q2. P is closer to Q2 than Q1. If the net electric force acting on the charge at P is zero, it may correctly be concluded that:
- If log2 = 0.30103 and log3 = 0.4771, find the number of digits in (648)\(^5\).
- Which of the following solutions, when mixed, will not form a buffer solution?
View More Questions