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WorksheetsAg Power Alternative Energy and Review
Total questions: 50
Worksheet time: 35mins
In the carburetor, the narrowing of the tube where the gas is sucked up from the bowl is known as the _________?
Bernoulli
Float
Venturi
Choke
During the Compression stroke the piston moves________
During the Power stroke the piston moves________
Three methods of heat transfer are
conduction, potential, radiation
potential, kinetic, convection
conduction, kinetic, convection
conduction, convection, radiation
The connecting rod connects what two engine parts together?
Piston and Camshaft
Piston and Crankcase
Piston and Flywheel
Piston and Crankshaft
What are the egg-shaped pieces on the camshaft called?
Cam Lobs
Cam Valves
Cam retainers
Cam tappets
During which stroke does the spark plug fire and cause combustion in the cylinder?
Intake
Compression
Power
Exhaust
What is the purpose of the compression ring?
provide a seal between the piston and crankshaft
provide a seal between the piston and the cylinder
provide a seal between the cylinder and the crankshaft
provides a seal between crankshaft and crankcase
Which of the following is a function of a small engine?
To change heat energy into mechanical energy
To change kinetic energy into potential energy
To change rotary motion into vertical motion
To change reciprocal motion into circular motion
What theory does the ignition armature rely on to work?
Induction Theory
Bernoulli's Principle
the Venturi Effect
Four Stroke Theory
What does the idle circuit do?
allows a little fuel/air mixture to bypass the throttle plate to maintain the engine
to mix the gas and air together
makes gas come up to the carburetor from the fuel bowl
Creates a vacuum in the combustion chamber
What is the adjustment made on the governor of small engines?
the static governor adjustment
the idle circuit screw
the ignition amateur air gap adjustment
the valve clearance adjustment
What are the two systems for cooling an engine?
Liquid and air cooling systems
jet propulsion and injection systems
oil and vinegar cooling systems
chemical and physical systems
Which engine type requires oil to be mixed into gas
Single cylinder
Two stroke engines
Four Stroke Engines
Auto engines
What is the number one shop safety rule?
Report all accidents to the instructor
Always wear safety glasses
No horseplaying
Know where the fire extinguishers are located
What is this ?
exhaust gasket
Sump gasket
Carburetor gasket
Head gasket
If your engine is running rich, this means?
There is more air than gas in the air/fuel mixture
There is more gas in the air in the air/fuel mixture
That the choke is closed
That the smoke coming from the engine is white
What danger does running an engine inside the shop present that requires students to open a window?
Carbon monoxide poisoning
bruising from a falling engine
a gas explosion
slipping on an oil spill
Why does the flywheel have to be so heavy?
It helps provide inertia to keep the engine going
engines are sold by the pound
it helps slow the engine to a stop
magnets are heavy and the flywheel has 1 or more
What does the idle spring do?
Keeps tension on the governor to maintain a consistent rpms at idle
nothing, its idle after all
Increases the gas when the engine is under heavy load
Decreases the gas when the engine is under heavy load
The governor connecting rod and spring connected to what?
the throttle plate
the choke plate
the ignition amature
the oil slinger
What role does the flywheel play in the ignition system?
Provides the magnet to complete the induction theory cycle
provides the electrical current to complete the induction theory cycle
the electrical conductor to complete the induction theory cycle
it doesn't
There are __________________ rings on a small engine piston.
one
two
three
four
A lawn mower typically will have a __________________ crankshaft.
vertical
diagonal
horizontal
flat
The typical cooling system on a small engine uses _____________ to transfer heat.
fins
channels
fans
vacuum
If a truck exerts a force of 100 lbs. and moves a load 33 ft. in 1 sec. How much Horsepower is being used? (Power = Force X Distance / time)(1HP = 550 ft.lbs/sec)
2 HP
4 HP
6 HP
8 HP
The term alternative energy refers to the use of any of various renewable power sources in place of
Solar Energy
Fossil Fuels
Nuclear Power
Wind Power
Which of the following is not considered an alternative energy source?
Solar Energy
Wind Power
Nuclear Fission
Nuclear Fusion
True or False - Biomass can be used in both a gas and a liquid form?
True
False
Which crops are grown as a dedicated energy crop?
Corn and Barley
Corn and Soybeans
Corn and Wheat
Soybeans and Barley
True or False: A wind power plant and a coal-fired power plant both generate electricity using turbines.
True
False
True or False: Wind energy poses no threats to wildlife.
True
False
Why are fossil fuels not a good long term energy source? Choose all that apply.
they produce emissions that are harmful to the environment
they have a limited supply
they are renewable
they are not as reliable as solar power
What type of energy is being produced in the picture?
wind
hydroelectric
solar
nuclear
What type of energy is being produced in the picture?
wind
hydroelectric
solar
nuclear
What type of energy is being produced in the picture?
wind
hydroelectric
solar
nuclear
Hot water is pumped up from deep inside Earth and is used to heat homes or to generate electricity. This describes...
biomass
hydroelectric energy
geothermal energy
tidal power
