4-strokes in small engines
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 fun
See how well you know:
- The fun
ction of each stroke - Valves and their roles
- The combustion process
During the __________ stroke, the piston is going down and the intake valve is opened.
Intake
Compression
Power
Exhaust
During the Compression stroke, which valves are open?
Intake
Exhaust
Both
Neither
What way is the piston going in the compression stroke?
Up
Down
Sideways
Nowhere
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
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