ME 2334 test 1
control mass - Answer- boundary is fixed, no mass can transfer across the boundary (closed), but energy can
control volume - Answer- boundary is moving, mass and energy can be transferred across boundary (open)
isolated system - Answer- neither mass nor energy can transfer a...
density - Answer- mass/volume or 1/specific volume
ideal gas law is only valid when - Answer- reduced pressure is less than .1 or
reduced temperature is greater than 2 or the compressibility factor(z) is approx 1
work considered to be done on a system if - Answer- the sole effect on things
external can be reduced to the lifting of a weight
no work = - Answer- no displacement, or no change in volume
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