Vishnu Cars Service Technician Interview Questions and Answers

A four-stroke engine is an internal combustion engine that completes four separate strokes in one cycle.

• Intake stroke: Fuel and air are drawn into the cylinder.

• Compression stroke: The fuel-air mixture is compressed.

• Power stroke: The spark plug ignites the mixture, causing an explosion that drives the piston down.

• Exhaust stroke: The piston pushes the exhaust gases out of the cylinder.

• Examples: Cars, motorcycles, lawn mo

A two-stroke engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston.

• It has a simpler design than a four-stroke engine

• It produces more power per cycle

• It requires a mixture of oil and fuel to lubricate the engine

• Examples include chainsaws, dirt bikes, and some boats

• It is less fuel-efficient and produces more emissions than a four-stroke engine

IC engine stands for Internal Combustion engine and EC engine stands for Electric Combustion engine.

• IC engine is a type of engine that uses fuel combustion to generate power.

• EC engine is a type of engine that uses electricity to generate power.

• IC engines are commonly used in automobiles, motorcycles, and small aircraft.

• EC engines are commonly used in electric vehicles and hybrid vehicles.

• IC engines require fuel to oper...read more