Download Aptitude Crack
img not found img not found

Heat Transfer Refrigeration and Air Conditioning

Q1: A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with cp = 1 kJ/kg)

A 25 kJ/kg

B 50 kJ/kg

C l00 kJ/kg

D 125 kJ/kg

ANS:B - 50 kJ/kg

Explanation: No answer description is available.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.