Engines

In jet engines, compressors and turbines rotate to generate...

• thrust

• weight

• lift

• drag

Thrust is a ... force.

• bending

• compression

• shear

• pushing

Complete cycle of a four-stroke petrol engine: Induction, compression.... and exhaust.

• valve

• power or ignition

• intake

• torque

The power of vehicle engines is given in...

• miles

• Newtons

• brake horsepower (bhp)

• pounds

In internal combustion engines, each cylinder contains a...

• shaft

• piston

• chamber

• camshaft

When the intake valve closes. The piston moves..

• downwards

• upwards

• sideways

• clockwise

When the exhaust valve ...................., the piston moves upwards, forcing the exhaust gases out of the cylinder.

The combustion of fuel is produced in enclosed, sealed spaces called....

• fuel injectors

• combustion chambers

• spark plugs

• piston cylinders

Diesel engines operate at ... speeds than petrol engines.

• higher

• faster

• lower

• slower

Diesel engines produce greater amount of ....... than petrol engines.

• speed

• drag

• resistance

• torque