An air-conditioner provides 1 kg/s of air at 15 C cooled from outside – McqOptions

MCQOPTIONS

1.	An air-conditioner provides 1 kg/s of air at 15 C cooled from outside atmospheric air at 35 C. Estimate the amount of power needed to operate the air-conditioner.
A.	1.09 kW
B.	1.19 kW
C.	1.29 kW
D.	1.39 kW
Answer» E.

Discussion

No Comment Found

Related MCQs

In a cryogenic experiment you need to keep a container at -125 C although it gains 100 W due to heat transfer. What is the smallest motor you would need for a heat pump absorbing heat from the container and rejecting heat to the room at 20 C?
A cyclic machine, as shown below, receives 325 kJ from a 1000 K energy reservoir. It rejects 125 kJ to a 400 K energy reservoir and the cycle produces 200kJ of work as output. Is this cycle reversible, irreversible, or impossible?
An air-conditioner provides 1 kg/s of air at 15 C cooled from outside atmospheric air at 35 C. Estimate the amount of power needed to operate the air-conditioner.