-A cooling machine has a maximum cooling capacity of 88 kW. The temperature of the freezer at which the cooling machine absorbs heat is 1 °C and the room temperature to which it gives off heat is 28 °C. Which of the following is the heat given by the cooling machine to the room?  A) 90,32 kW  B) 26,49 kW  C) 96,67 kW  D) 80,11 kW  E) 12,48 kW

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2-A cooling machine has a maximum cooling capacity of 88 kW. The temperature of the freezer at which the cooling machine absorbs heat is 1 °C and the room temperature to which it gives off heat is 28 °C. Which of the following is the heat given by the cooling machine to the room?

 A)

90,32 kW

 B)

26,49 kW

 C)

96,67 kW

 D)

80,11 kW

 E)

12,48 kW

 

3 -

 

 
 A)

– 0,5364 kJ/kgK

 B)

– 0,3826 kJ/kgK

 C)

– 0,1492 kJ/kgK

 D)

– 0,3435 kJ/kgK

 E)

– 1,4163 kJ/kgK

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