Most small gasoline engines run on ______ grade gasoline with an octane rating around ______.

LP-Gas burns ______ than gasoline and has higher ignition temperatures.

Some non-diesel small engines can be converted to operate on kerosene or fuel oil through the installation of a ___ compression cylinder head and a special carburetor. 

A filler cap with a screw vent should be closed when the engine is not in use.

When is a fuel pump most likely to be used on an engine? 

Fuel pumps are designed to provide fuel to the carburetor at a ____ pressure. 

Identify the parts indicated in this fuel tank cutaway for part A

Identify the parts indicated in this fuel tank cutaway for part B.

Identify the parts indicated in this fuel tank cutaway for part C.

Identify the parts indicated in this fuel tank cutaway for D.

A fuel pump hand primer is for use when, for some reason, the carburetor float bowl has become empty.

One type of diaphragm fuel pump sometimes used on small gas engines is activated by the pulsing ___ in the intake manifold or crankcase. 

A ___ fuel system is used when fuel tanks are located at a considerable distance below the carburetor. 

If the temperature of the air around or inside a carburetor becomes high enough to vaporize the gasoline, pockets of vapor will stop all flow of fuel.  This is known as ___ ___. 

In a ____ ____ fuel system, any vapor that forms is directed back into the fuel tank where the pressure is vented into the atmosphere.