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Worksheets4 Stroke Theory Review
Total questions: 15
Worksheet time: 11mins
Engines originally were described as ________ Combustion Engines.
External
Internal
Operational
Rotary
Internal Combustion Engines were invented in...
1860
1876
1996
1890
Which was invented first the four stroke engine or the two stroke engine and who was its inventor.
4 stroke by Nikolaus Otto
4 stroke by Karl Benz
2 stroke by Nikolaus Otto
2 stroke by Karl Benz
An Engine Cycle can best be described as...
A complete round of work in an engine
Completion of at least 2 strokes
Intake, Compression, Power, Exhaust
When gasoline / diesel turns into NOx
In a four stroke engine one stroke is when the piston does what?
Moves from either (TDC to BDC) or (BDC to TDC)
Intake Valve opens
Pushes downward on the crank
seals the cylinder
What are the four strokes in order?
Intake, Compression, Power, Exhaust
Suck, Squeeze, Blow, Bang
Compression, Intake, Exhaust, Power
Blow, Squeeze, Bang, Suck
The intake Stroke is when...
The piston moves from TDC to BDC
The Intak Valve opens
A vacuum is created to bring in air / fuel
All of the above
Compression accomplishes two things... What is one of them.
Heat up air in the cylinder
Breakdown fuel into smaller particles
Allow for smaller combustion force
Drawing oil into the sump
A compression ratio is the difference in __________ at TDC and BDC
Volume
Area
Square Feet
Cubic Yard
During the Power Stroke both the intake and exhaust valve are
Open
Closed
Floating
Sticking
During the Exhaust Stroke...
The piston pushes out the spent air/fuel charge
The exhaust valve opens
An Engine cycle is completed
All of the above.
The term used to describe the removal of spent charge and replace it with few air-fuel mix is called?
Scavenging
Scavengers
Badgers
Valve Overlap
The piston travels up and down in the...
Cylinder
Crankcase
Valve Seat
Connecting Rod
The piston is attached to the crankshaft using the...
Connecting Rod and Cap
Crankpin
Valve return spring
Camshaft
Power in an engine is transferred from the piston to the backbone of the engine otherwise known as the...
Crankshaft
Camshaft
Valve Stem
Piston Ring
