How much power is needed to operate a carnot heat pump if the pump receives heat 10°c and delivers 50 kw of heat at 40°c? at a) 5.30 kw b) 151 kw c) 37.5 kw d) 4.79 kw

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent