Chapter 5: Motion

Motion of Vehicles on Land

There are two types of vehicles:

(a) vehicles without an engine

(b) vehicles with engines

Vehicles without  engine

For example, bicycles,

Vehicles with engines

For example, diesel and petrol engine

Similarities of petrol and diesel engine

Both consist of (       ) strokes in a complete combustion cycle.

Crankshaft makes (    ) revolutions

both are internal combustion engines

conversion of energy: (        ) energy to (        ) energy

Differences of petrol and diesel engine

combustion fuel:

size:

wall of cylinder:

noise:

power and efficiency:

application:

ignition:

Ratio of compression:

Two stroke petrol engine

both use (      ) as combustion fuel

both are (    ) combustion engines

both use (    ) plugs

conversion of energy:

Two stroke engine and four stroke engine differences

Basic components:

Flow of fuel:

Combustion:

Number of revolution:

Engine power and efficiency:

Application:

Fuel usage:

Engine:

Two stroke engine and four stroke engine similarities