small engines exam Questions and Correct Answers/
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What is the main purpose of a carbuetor
Ans: mix fuel and air
What is the term for the hollow tube that hoses cylinder
Ans: cylinder
What attaches the piston to the camshaft
Ans: connecting rod
Which engine component is connected to the end of the crankshaft to maintain
power to the nonpower producing strokes of a 4 cycled engine
Ans: flywheel
In which stroke of the piston are spent gases from the combustion of the air-fuel
mixture forced out of the combustion chamber
Ans: Exhaust stroke
During which stroke is the air-fuel mixture ignited by the spark plug, forcing the
piston down the cylinder
Ans: power stroke
as the piston moves down during the intake stroke, what is created in the
combustion chamber that allows the air fuel
Ans: vaccum
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four cycle engines require four strokes of the piston, how many revolutions of the
crankshaft does this represent
Ans: 2
in simple terms, electricity is the movement of which atomic particle
Ans: electrons
what three governor types are used in small gasoline engines
Ans: pneumatic, mechanical, electronic
what is the basic idea of Bernoulli's principle of fluid flow
Ans: as fluid velocity increase, fluid pressure decrease
which component of the carburetor increase the velocity of air moving through
the carburetor
Ans: venturi
which carburetor component allows for the manipulation of engine speed by
regulating the airflow through the carburetor
Ans: choke plate
what is the term for the pressure that moves electrons
Ans: voltage
what is the general purpose of the choke plate in the carburetor
Ans: allow for easier cold starting
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