the same pressure as saturated vapor. If the compressor con$-$

sumes $1\mathrm{.}6$ kW of power, determine $($a$)$ the mass flow rate of

the refrigerant, $($b$)$ the rate of heat supply, $($c$)$ the COP, and

$($d$)$ the minimum power input to the compressor for the same

rate of heat supply. Answers: $($a$)0\mathrm{.}0338k\frac{g}{s},($b$)7\mathrm{.}04$ kW $,($c$)4\mathrm{.}40,$

$($d$)0\mathrm{.}740$ kW