The _______ Stroke: Inlet valve is closed & the piston moves up, compressing the mix in the combustion chamber. Power Engineering Chapter 72 The _______ Stroke: Inlet valve is closed & the piston moves up, compressing the mix in the combustion chamber. a) Intake b) Compression c) Power d) Exhaust Answer: b Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+