When the well-isolated office room is entered in the summer, it is seen that the temperature of the room is °C. After operating the air conditioner, the temperature of the room becomes 22 °C within At minutes. The fficient of performance of the air conditioning system is 2.5, a) find the internal energy changing in the room b) calculate the electrical power consumed by the system. Assume that the whole mass inside the room is ivalent to 700 kg of air. Take Cy = 0.72 kJ / kg°C, C, = 1.0 kJ / kg°C for air. Use the below table for At value. Last one digit of your student number Point:) At Win (minutes) 15 1 14 (A/C 35 °C 2 13 12 4 11 22 °C 10 7 8 8 7 9.

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Thermodynamics 

When the well-isolated office room is entered in the summer, it is seen that the temperature of the room is
°C. After operating the air conditioner, the temperature of the room becomes 22 °C within At minutes. The
fficient of performance of the air conditioning system is 2.5, a) find the internal energy changing in the room
b) calculate the electrical power consumed by the system. Assume that the whole mass inside the room is
ivalent to 700 kg of air. Take Cy = 0.72 kJ / kg°C, C, = 1.0 kJ / kg°C for air. Use the below table for At value.
Last one digit
of your student
number
Point:)
At
(minutes)
Win
15
1
14
(A/C
35 °C
2
13
12
4
11
22 °C
10
9
7
8
8
7
9.
Transcribed Image Text:When the well-isolated office room is entered in the summer, it is seen that the temperature of the room is °C. After operating the air conditioner, the temperature of the room becomes 22 °C within At minutes. The fficient of performance of the air conditioning system is 2.5, a) find the internal energy changing in the room b) calculate the electrical power consumed by the system. Assume that the whole mass inside the room is ivalent to 700 kg of air. Take Cy = 0.72 kJ / kg°C, C, = 1.0 kJ / kg°C for air. Use the below table for At value. Last one digit of your student number Point:) At (minutes) Win 15 1 14 (A/C 35 °C 2 13 12 4 11 22 °C 10 9 7 8 8 7 9.
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