OET Interview Questions and Answers for Freshers

2-stroke engines have a power stroke every revolution, while 4-stroke engines have a power stroke every other revolution.

• 2-stroke engines have a simpler design and are lighter than 4-stroke engines.

• 2-stroke engines are less fuel-efficient and produce more emissions than 4-stroke engines.

• 4-stroke engines are more reliable and have a longer lifespan than 2-stroke engines.

• Examples of 2-stroke engines include chainsaws, dirt bikes, and outboard motors, while examples of 4-stroke ...read more

An internal combustion engine is a type of engine that generates power by burning fuel within a combustion chamber.

• Uses fuel combustion to generate power

• Commonly used in vehicles like cars, motorcycles, and trucks

• Consists of cylinders, pistons, and a crankshaft

• Types include gasoline engines and diesel engines

An engine is a machine that converts fuel into motion, providing power to vehicles, machines, and other equipment.

• Engines come in various types, such as internal combustion engines, steam engines, and electric motors.

• They are used in cars, airplanes, boats, trains, and many other vehicles.

• Engines are also used in power plants to generate electricity.

• The efficiency of an engine is measured by its fuel consumption and power output.

• Regular maintenance is required to keep engines...read more

Combustion cycle is the process of burning fuel to produce energy.

• Fuel is mixed with air and ignited

• Heat is produced which causes expansion of gases

• Expansion of gases creates pressure which moves pistons

• Pistons turn crankshaft which produces power

• Exhaust gases are released through the exhaust system