1. technician a says that an automotive
technician must be a "jack-of-all-trades."
technician b says that the technician's job is
seldom boring. who is right?
(a) a only.
(b) b only.
(c) both a and b.
(d) neither a nor b.
onefits of

Acompressor compresses a gas, a pump compresses a liquid. for a given pressure ratio, why does it take more work to compress a gas in a compressor than a liquid in a pump? a)- for a given pressure ratio the average specific volume for a gas is much higher than the average specific volume for a liquid. b)- there is no difference. the only difference is the amount of heat generated (not work) c)- for a given pressure ratio the average volurge for a gas is much higher than the average volume for a liquid. d)-there is no difference