A new air conditioner using R-410A is used in heat pump mode. The high pressure is 2000 kPa and the low pressure is 400 kPa. It warms a house at 20°c driven by an electrical power input of 2 kW. The ambient s at-50C. A) Find the cycle COP.
B) Find the mass flow rate of the R-410a.
C) Find the heating rate.
D) Find the total rate of entropy generation.

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explanation:

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.

answer:

the answer is d

explanation:

answer:

explanation:

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