4-strokes in small engines

A sleek and detailed illustration of a 4-stroke engine, showing its components and the cycle of operation. Include labels for intake, compression, power, and exhaust strokes, with a modern aesthetic.

Test Your Knowledge on 4-Stroke Engines

Are you ready to put your understanding of 4-stroke engines to the test? This quiz covers essential aspects of small engine mechanics, focusing on the four distinct strokes and their functions.

See how well you know:

The function of each stroke
Valves and their roles
The combustion process

10 Questions2 MinutesCreated by EngineExpert245

During the __________ stroke, the piston is going down and the intake valve is opened.

Intake

Compression

Power

Exhaust

During the _________ stroke, the piston is being pushed down from the resulting combustion, the intake valve is closed and the exhaust valve is closed.

Intake

Compression

Power

Exhaust

What is being brought into the combustion chamber during the first stroke in a four stroke engine?

Air/fuel

Oil

Gasoline

Diesel

What is igniting the combustion chamber in the third stroke of the 4-stroke engine?

Magneto armature coil

Spark plug

Flywheel

Piston

During the __________ stroke. The piston is going up and releasing all the fumes in the engine through the open exhaust valve.

Intake

Compression

Power

Exhaust

What do you think happens if our piston is too small in the cylinder?

The piston won't compress correctly

The piston won't create a spark

The piston won't exhaust correctly

ALL OF THE ABOVE

Where does the exhaust fumes go after being released out of the engine?

Through the muffler into the atmosphere

Straight into the atmosphere

Back into the engine to create more fuel.

What is a difference between two stroke engines and four strokes engines?

2 strokes do the four events in two strokes while 4 strokes do them in 4

Oil is mixed into the fuel with two stroke engines while the oil is stored separately in the 4-stroke

The appliances we use for two strokes are chainsaws and weedwackers while 4 strokes are in lawn mowers and snow blowers

ALL OF THE ABOVE

4-strokes in small engines

Test Your Knowledge on 4-Stroke Engines

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