*$_The work-done on a compressor will be minimum if air is taken from?

1.	*$_The work-done on a compressor will be minimum if air is taken from?
A.	The atmosphere
B.	A source at 0¬¨‚àû C
C.	A source of low temperature air
D.	A source of high temperature air
Answer» D. A source of high temperature air

Discussion