four stroke cycle

A Spark is required for stroke 3 of the 4 stroke cycle, how is this achieved in a petrol engine?

• Heated and compressed air

• Glow plug

• Spark plug

• Fire

What are the strokes of the four stroke cycle, in correct order?

• Intake, Power, Compression, Exhaust

• Compression, Intake, Exhaust, Power

• Intake, Compression, Power, Exhaust

• Power, Intake, Compression, Exhaust

Which of the following is not a component in a motor vehicle combustion engine?

• Piston

• Crankshaft

• Valve

• Flux Capacitor

During the first stroke (Intake), what happens to the valves?

• Both closed

• Intake valve open, Exhaust closed.

• Both are open

• Intake valve closed, Exhaust valve open.

What components should be changed at regular services?

• Air filter

• OIl Filter

• Fuel filter

• All of the above

Which are not the correct spellings?

• Ignition, compression, accelerator

• Catalytic convertor, Chassiss, Cranksaft

• Cylinder, Exhaust, Catalytic Converter

• Radiator, Crankshaft, Chassis

During the intake stroke the piston moves________

• up
• in both directions
• the head bolts
• down

Match marks are on the _______and the ____________

• crankshaft and connecting rod
• crankshaft and shroud
• crankshaft and camshaft
• camshaft and govenor

The power stroke occurs ______percent of one complete cycle in a four stroke engine.

• 14 %  
• 15 %
• 20 %
• 25 %

An event that ignites the fuel air mixture occurs between the _______stroke and the _________stroke

• compression and power
• power and intake
• intake and power
• compression and intake