Internal combustion engine basics 1

Which of these fuels are in use in cars and trucks and trains in New Zealand? Tick all the correct ones.

• Petrol

• Diesel

• Parrafin

• LPG and CNG gases

An internal combustion engine turns ____ into energy

How many strokes are there in most common vehicle engines?

• Two

• Three

• Four

• Five

What are the four strokes called in a four stroke engine?

• Intake, compression, exhaust, cleaning

• Exhaust, diesel, complication, cleaning

• Intake, compression, combustion, exhaust

• Petrol, spark, explosion, exhaust

Which part of an engine turns as a result of the combustion of the fuel, and hence powers the other parts of the vehicle?

• Camshaft

• Crankshaft

• Piston

• Valve

Tags

NGSS.MS-PS3-5

There are usually two valves in a four stroke engine, an intake valve and an exhaust valve

• True

• False

During the intake stroke, the ______ moves down, sucking fuel into the cylinder

Which part of the engine moves up and down in the cylinder and hence powers the crankshaft?

• The valves

• The camshaft

• The timing belt

• The pistons (and piston rods)

Which stroke provides the power that actually turns the crankshaft?

• Combustion

• Compression

• Exhaust

• Intake

The timing belt is necessary to make sure the valves open and close at the right points in the pistons' movements

• True

• False