Internal Combustion Engines
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| In ft-lb per second, what is one horsepower? | 550 ft-lb per second.
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| What is the equation for piston displacement? | V=A*H
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| What is Cylinder Compression Ratio? | Comparison of volume TDC and BDC
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| what ignites the fuel/air mixture? | the spark plug
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| What is the stroke? | Distance from Top Dead Center to Bottom Dead Center.
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| What is in the mixture that is ignited in the cylinder? | Fuel and air.
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| What stroke-cycle is most used in aircraft? | Four- Stroke Cycle.
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| what type of horsepower does the engine make before any other factors withdraw power | brake horsepower
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| What is the optimal air to fuel mixture ratio? | 15 to 1
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| what are the five events of the otto cycle? | induction, compression, ignition, power, exhaust
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| What does it mean if exhaust gases are blue? | Oil is burning in cylinders
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| What is Manifold Pressure? | The average absolute pressure of the air or fuel/air charge in the intake manifold and is measured in units of inches of mercury(Hg).
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| Who built the first successful Piston Engine working on a four stroke cycle in 1876? | Dr. N A Otto
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| what are the advantages of fuel Injection? | 1) No throttle plate ice
2)Uniform delivery of mixture to cylinders
3)More efficient than carburetors
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| Greater piston displacement equals | Greater maximum HP an engine can develop.
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| spark plug | ignites fuel mixture by means of a spark
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| What is Pre-Ignition? | Fuel/Air mixture is ignited in advance of the normal timed ignition
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| What is the most common internal combustion system? | Four stroke
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| What is the order or a four-stroke cycle? | 1, 3, 2, 4
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| 1. An internal combustion engine is an engine in which mechanical energy is produced by | combustion
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| What are the strokes of a four-stroke engine? | Intake, Compression, Power, Exhaust
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| What is Detonation? | Fuel/Air mixture detonates after a normal timed ignition and explodes instead of burning smoothly.
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| What are the functions of the carburetor? | Vaporizes Gas to the cylinder using a venturi. Meter fuel air mixture.
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| The 4 purposes of the piston are to | Draw in fuel, Compress Mixture, Transfer power and Expel exhaust.
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