Small Engine Facts EB

Combustion of the fuel air mixture occurs in the ____________

• Crankcase
• Cylinder
• Carburetor
• Sump

The exhaust gases are primarily composed of ________ and ________

• Carbon dioxide + Oxygen
• H20 + Carbon monoxide
• Carbon dioxide + Methane
• Carbon dioxide + Carbon monoxide

An operating cycle requires two revolutions ____of the crankshaft which equals how may degrees of rotation

• 120°
• 720°
• 180°
• 360°

The term TDC stands for_______   ________  ___________

• Top Dead Crown
• Top Distant Center
• Top Dead Center
• Top Dead Cylinder

The term BDC stands for_______   ________  ___________

• Bottom Dead Center
• Bottom Distant Center
• Both Dead Center
• Below Dead Center

A charge is considered to be the _______/ ______ mixture being compressed during the compression stroke

• Fuel / Oil
• Fuel / Carbon
• Oxygen / Air
• Fuel / Air

Gasoline engines commonly have a compression ratio ranging from 

• 3:1 - 10:1
• 4:1 - 11.1
• 6:1 - 10:1
• 10:1 - 22:1

To make a small engine easier to start. The engine may have ___________release.

• Compression
• Oil
• Combustion
• Spark

OHV stands for ______  ________   _______

• Over Head Volume
• Over Hidden Valves
• Over Head Valves
• None of the above

OHV engines provide more efficient  distribution of the ______  _________mixture in side the combustion chamber 

• Solid Carbon / Air
• Fuel / Oil
• Fuel / Air
• Spark / Fire