ASTHAVINAYAK MOTORS Interview Questions and Answers

A 2-stroke engine completes a power cycle in two strokes of the piston, while a 4-stroke engine completes it in four strokes.

• 2-stroke engine: Combustion occurs every revolution of the crankshaft.

• 4-stroke engine: Combustion occurs every two revolutions of the crankshaft.

• 2-stroke engines are simpler, lighter, and have higher power-to-weight ratio.

• 4-stroke engines are more fuel-efficient and have better emissions control.

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TDC stands for Top Dead Center and BDC stands for Bottom Dead Center.

• TDC is the point at which the piston in an engine is at its highest point in the cylinder.

• BDC is the point at which the piston in an engine is at its lowest point in the cylinder.

• These terms are commonly used in engine timing and ignition systems.

• For example, when adjusting the timing of an engine, the TDC and BDC positions are important reference poi

Inlet valve and exhaust valve are components of an internal combustion engine that control the flow of air and fuel in and out of the engine.

• The inlet valve allows air and fuel to enter the combustion chamber while the exhaust valve allows the exhaust gases to exit the engine.

• The opening and closing of the valves is controlled by the camshaft and timing belt.

• The valves must be properly timed and adjusted to ensure opti...read more