Chapter 4
Fuel must be atomized in the engine for the purpose of ___________
What is combustion
TDC (top dead center) happens during which two strokes on a 4 cycle?
What is Power and Exhaust
What is the name of the area that hold the gasoline in the carburetor?
What is the Float Tank
List three good conductive materials
What is gold, silver, copper, nickel and others (if not listed ask)
Resistance to motion created when one dry surface is rubbing against another is known as
What is Friction
Adding fast moving air pass a pool of gasoline does what?
What is Vaporize
This engine type is lighter in weight and has a better power output
What is 2 Cycle
When running "Wide Open" what is the alignment of my throttle valve
What is vertical
List three good insulating materials
What is Glass, Rubber, Wood, Plastic (other just ask)
Inside of a bearing on the engine the oil sits in this
What is known as the oil groove
Force on the piston is transmitted to the crankshaft by the _________
What is Connecting Rod
Time when both of the valves on an engine are open are known as ____________
What is valve overlap
In relation to the throttle where is the choke valve located?
What is closer to the air intake
What happen when a coil of wire is passed through a magnetic field?
A current flows through the wire
What is the 4 cycle has additives that do not burn since gas and oil is mixed in a 2 cycle
Small gas engines generally use what octane of gas? (High or Low)
What is High Octane
What advantage is there to have the intake port lead to the crankcase?
What is lubrication
Down Draft, Up draft and this are the 3 types of carbs
What is natural draft
Would a cool plug have a long or short insulator nose?
What is short
Type of oil such as 10W-30 refers to.....
Why are sleeved cylinders used?
What is to control temp.
Name the 4 strokes of an engine in order in which they happen
What is intake, compression, power and exhaust strokes
The newest type of air cleaner for small gasoline engines are?
What is flat pleated paper cartridge filter
This is the point inside of an engine when the spark plug fires
What is just before TDC
API and SAE stand for what?
What is American Petroleum Institute and Society of Automotive Engineers