With the engine off and the ignition switch in the run position, the oil pressure gauge should indicate a reading of
a: 1 b: 2 c: 3 d: 0

Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k