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Ag Power Units Test 2
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What is a compression ignition engine also known as?
Diesel engine
What does a compression ignition engine have instead of spark plugs?
an injector
What does diesel create when it is burned?
water
carbon
heat
When diesel inefficiently combusts, what is created?
carbon monoxide
soot
clogs engine
PCA/benzines
What can be used to help diesel engine start in cold weather?
ether
coolant/lubricant heaters
battery heaters
glow plugs
What are the strokes in a 2-stroke engine?
intake & compression
power & exhaust
What are 3 types of forced air induction?
turbocharging
supercharging
RAM air
Whats the advantage of forced induction?
gets more air in the air/fuel mixture
3 uses of forced induction
airplanes, hot rods, racecars
What is scavenging?
efficiently cleans out burnt air & fuel out of the cylinder by forcing it out
strokes in a 4 stroke
intake
compression
power
exhaust
Functions of a carbuerator?
mixes fuel and air
meters fuel
controls air flow
how are carbuerators classified?
barrels
CFMs (size)
fuel type
What is the Venturi?
where air horn bottlenecks
creates a vaccuum by lowering air pressure and increasing air speed
What does the Choke Valve do?
controls amount of air let into the carbuerator
What does the Throttle Valve do?
controls engine speed
Types of small engine carbuerators
float
suction
pulsating suction
diaphragm
physical difference of fuel injection and carbueration
carbueration has a carbuerator
fuel injection has a throttle body
types of fuel injection and their injectors
Direct- in combustion chamber
Throttle Body- on throttle body
Multi Port- on intake manifold over each cylinder
takes electric energy and converts it into kinetic energy
motor
fuel is burned outside of the engine
external combustion
In 1862 who was the first man to buy and sell 4-cycle engines?
Nikoulas Otto
What company released the first tractor the Fordson?
Ford
Diesel demonstrates his engine using what type of biodiesel?
Peanut Oil
the push or pull of one body on another
force
twisting force that tends to cause rotational acceleration of an object
torque
how quickly work can be done
power
HorsePower was created by
James Watt
What measures horsepower?
Dynamometer
what type of stroke is not an engine stroke
carbuerator stroke
intake valve is open on
all the above
what stroke causes combustion
power stroke
valves are both closed in which strokes?
power and compression
what is not a 2-stroke
lawnmower
Author
Anonymous
ID
203915
Card Set
Ag Power Units Test 2
Description
Test 2
Updated
2013-02-27T23:53:38Z
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