what is an engine

What is the purpose of an engine?

• To convert energy into mechanical energy

• To cool the vehicle

• To store fuel

• To generate electricity

Which type of engine burns fuel inside the engine cylinder?

• Internal combustion engine

• External combustion engine

• Gas turbine

• Diesel engine

Which type of engine uses petrol for running?

• Diesel engine

• Gas engine

• Steam engine

• Petrol engine

In which type of engine is the fuel ignited by the heat of compressed air inside the cylinder?

• Spark ignition engine

• Hot spot ignition engine

• Compression ignition engine

• Air injection engine

How many strokes per cycle does a two-stroke engine complete?

• One

• Two

• Three

• Four

What is the main difference between the Otto cycle and the Diesel cycle?

• Heat rejection at constant volume

• Adiabatic expansion

• Heat addition at constant pressure

• Heat addition at constant volume

Which type of engine has the valves located in the cylinder head?

• I-head engine

• L-head engine

• F-head engine

• T-head engine

What is the purpose of metal fins in air-cooled engines?

• To increase the rate of cooling

• To improve acceleration

• To reduce emissions

• To increase fuel efficiency

Which type of engine uses water as the cooling medium?

• Air-cooled engine

• Evaporative cooling engine

• Water-cooled engine

• Gas turbine

How many cylinders are typically found in a V-8 engine?

• Twelve

• Eight

• Six

• Four