Four Stroke Engine
Presentation
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Other
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12th Grade
•
Practice Problem
•
Easy
Jessica Zamudio
Used 7+ times
FREE Resource
28 Slides • 10 Questions
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Assessment
29
Match
Match the following
Ignition of the compressed air/fuel mixture occurs
The air/fuel mixture becomes compressed in the cylinder
The used air/fuel mixture is released
Fuel and air are obtained in the cylinder
Power stroke
Compression stroke
Exhaust stroke
Intake stroke
Power stroke
Compression stroke
Exhaust stroke
Intake stroke
30
Multiple Choice
The power stroke is also known as which of the following?
Combustion stroke
Internal stroke
External stroke
Cylinder stroke
31
Multiple Choice
During the compression stroke, what are the positions of the valves?
Intake valve is closed and exhaust valve is open
Intake valve is open and exhaust valve is closed
Both valves are open
Both valves are closed
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Multiple Choice
During the intake stroke, the piston approaches the bottom of the cylinder, which is also known as which of the following?
Pit
End of rotation
Bottom dead center
Closure
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Labelling
Label the following picture
Crankshaft
Exhaust Valve
Piston
Air/Fuel Mixture
Intake Valve
34
Multiple Choice
Which of the following is NOT a cause of abnormal combustion mentioned in the presentation?
Pre-ignition
Deterioration
Engine overload
Improper ignition timing
35
Multiple Choice
Which of the following may leave excessive carbon residue in the combustion chamber resulting in abnormal combustion?
Detonation
Exhaust fumes
Using low quality-fuel
Pre-ignition
36
Multiple Choice
Which of the following creates multiple combustion waves and may make the engine components resonate?
Resonation
Faulty glow plug
Rich air/fuel mixture
Detonation
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Match
Match the following
Compression stroke
Exhaust stroke
Intake stroke
Power (Combustion) stroke
Compression stroke
Exhaust stroke
Intake stroke
Power (Combustion) stroke
38
Multiple Choice
In which direction does the piston move during the power stroke?
Downward
Upwards
It stays in the same place
Side to side
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