Oxford Questionnaires - Reciprocating Engines QUESTIONS WITH COMPLETE SOLUTIONS

The temperature of the gases within the cylinder of a four stroke engine during the power stroke will: a. Be constant. b. Decrease. c. Increase. d. Follow Charles's Law. correct answer: b The number of revolutions of the crankshaft required to complete a full cycle in a four stroke engine is: a. 6 b. 4 c. 2 d. 8 correct answer: c The inlet valve opens before T.D.C. in the exhaust stroke to: a. Increase the pressure in the cylinder on completion of the induction stroke. b. Reduce engine vibration. c. Allow the incoming mixture to mix with a certain proportion of the exhaust gases. d. Induce a greater amount of mixture into the cylinder. correct answer: d The correct working cycle of a four stroke engine is: a. Exhaust, power, induction, compression. b. Compression, power, exhaust, induction. c. Induction, power, compression, ex