A 4-cylinder, 4-stroke automobile engine has a 4.5 in bore and a 7 in stroke. The air in the inlet manifold is at 13 psia, 70oF. The engine is operating at 1710 RPM. a.) What is the specific volume of the air in the inlet manifold? b.) What is the total engine displacement volume? c.) What is the volume flow rate through the inlet valves? d.) What is the mass flow rate through the engine?