WorksheetsEG1-W2L1&L2-Review
Total questions: 13
Worksheet time: 7mins
What is meant by combined cycle?
A really fast motorbike
Natural gas is used for a combustion turbine, and the hot
exhaust superheats water to produce steam, which turns a
steam turbine
Wind turbine wind vane.
Fission is used for a wind turbine, and the hot
exhaust superheats water to produce fossil fuel, which turns a
wind turbine
What four methods are common for producing
high pressure steam for producing electrical
energy?
Earth, Wind, Fire and Water
Fossil-fired
Transformers
Geothermal
Hydro
Fossil-fired
Nuclear-Fired
Geothermal
Hamster
Fossil-fired,
Nuclear-Fired, Geothermal and Solar
Which generation method uses a “nacelle”?
Wind
Solar
Hydro
Nuclear-Fired
What voltage would be measured in an electrical outlet at a residential home?
240V
120A
120V
240A
Parabolic trough harnesses the heat energy from the sun to heat up ___ to a molten state, and then the molten ____ passes through a boiler where high-pressure steam is produced.
(a)
How much of the today's energy is produced with nuclear generation?
20%
75%
10%
5%
Most generation plants produce voltages between__,___ and__,___.
13,800 and 24,000
500,000 and 750,000
2400 and 4160
7200 and 12470
An example of distributed generation or dispersed microgeneration would be?
Back-up generators
Sump pump
Solar panels on a house
A Transformer
What three things effect the strength of voltage?
The number of turns in the coil of wire
The strength of the magnetic field
The speed at which the magnetic lines of flux pass through the
coil
The size of the transformer
The length of the conductor
The number of generators running at the same time
The length of turns in the coil of wire
The shape of the magnetic field
The speed of the magnetic field
What can be said about the voltage value when
the generator is at 90 degrees?
The voltage is at its peak negative voltage
The voltage is at RMS level
The voltage is at its peak positive value
The voltage is at zero.
What does the law of charges say?
Opposite charges repel and like charges attract
Even a broken clock is right twice a day
What goes up must come down
Opposite charges attract and like charges repel
What is the unit of measure for frequency?
Volts
Gigawatts
Hertz
Ohms
What is “RMS”?
RMS is a value of AC voltage that produces an effective amount
of power, like DC
RMS is the sine wave representation of voltage through time
RMS is a mesurement of DC voltage
