
20 Electric Power
Quiz
•
Other
•
11th Grade
•
Practice Problem
•
Medium
Kendall Maynard
Used 1+ times
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90 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The principles of electric wiring and wiring terminology include:
Safety, proper insulation, correct wire sizing, and clear labeling
Only using the cheapest materials available
Ignoring color codes and wire sizes
Connecting wires without insulation or labeling
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electricity is defined by which of the following terms and principles?
Flow of electric charge, voltage, current, and resistance
Photosynthesis, respiration, and transpiration
Gravity, inertia, and momentum
Evaporation, condensation, and precipitation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimating electric needs and loads involves which of the following methods?
Calculating the total wattage of all devices and applying demand factors
Guessing based on previous bills
Using only the number of outlets in a building
Assuming all devices run at maximum capacity all the time
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The principles of alternating current (AC) and direct current (DC) involve differences in the direction of current flow. Which statement correctly describes this difference?
AC changes direction periodically, while DC flows in one direction only.
AC flows in one direction only, while DC changes direction periodically.
Both AC and DC change direction periodically.
Both AC and DC flow in one direction only.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sources of electric power are:
Fossil fuels, nuclear energy, hydroelectric power, and renewable sources
Only fossil fuels
Only solar energy
Only wind energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are examples of alternative power systems?
Solar and wind
Coal and oil
Natural gas and diesel
Nuclear and gasoline
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Demonstrate the use of various meters designed to help people work safely around electricity.
By using devices such as voltmeters, ammeters, and insulation testers to check electrical parameters and ensure safety.
By only relying on visual inspection of electrical equipment.
By using meters only after an accident has occurred.
By avoiding the use of any meters when working with electricity.
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