Aircraft general knowledge with correct answers 100% 2026

Aircraft general knowledge with correct answers 100% 2026 How are the cylinders arranged in a piston engine? - Correct Answer horizontally opposed What are the parts of an engine? - Correct Answer - cylinder - piston - camshaft - connecting rod - spark plug - intake manifold/valve - exhaust valve - outlet manifold - connecting rod What is the camshaft used for and how does it work? - Correct Answer The camshaft is used for valve timing. It works by operating rocker arms and push rods that open the appropriate valve at the most suitable time in the cycle. What does the crank shaft do? - Correct Answer drives the camshaft What are the two types of mixture controls? - Correct Answer - needle type - back suction type What are the 4 strokes of the OTTO cycle? - Correct Answer 1. Intake (induction) 2. Compression 3. power (combustion) 4. exhaust What happens during these stages and when do they occur? - Correct Answer 1. The intake stage begins as soon as the inlet valve opens until it closes, It also occurs 10 degrees before TDC and 40 degrees after BDC. The piston travels down and the fuel air mixture is introduced into the intake valve. 2. Compression stage begins from the time the inlet valve closes till the ignition of the charge. Beings 40 degrees after BDC till 25 degrees before TDC. The piston travels up compressing the fuel air mixture. 3. Power (combustion) stage begins from the ignition of the spark till the exhaust valve opens. 25 degrees before TDC and 50 degrees before bottom dead center. The pressure of combustion forces the piston down the barrel. 4. Exhaust stage begins from the time the exhaust valve opens till it closes. The piston is forced back up the barrel expelling the gases though the exhaust valve. 50 degrees before BDC till 10 degrees after TDC. What does power output of the engine depend on? - Correct Answer The amount of gas in the cylinders and the temperature reached. What are the different types/set ups of engines? - Correct Answer - radial engine (pistons arranged around the crankshaft) - inline inverted - inline upright - Vee - horizontally opposed What is complete combustion? - Correct Answer Combustion which occurs at the stoichieometric ratio of 15 (parts air): 1 (part fuel)