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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define power factor.
💡 Hint: Consider how much power is actually used versus the total power.
Question 2
Easy
What unit is reactive power measured in?
💡 Hint: Think about the role of reactive power in electrical systems.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the power factor?
- P/S
- S/P
- P+S
💡 Hint: Think about what power factor indicates regarding efficiency.
Question 2
True or False: A higher power factor generally indicates better energy efficiency.
- True
- False
💡 Hint: Recall the impact on utility costs when power factor is low.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A processing plant has a total connected load of 800 kW at a power factor of 0.6. The utility company requires a power factor of at least 0.9. Calculate the necessary kVAR to be added with capacitor banks.
💡 Hint: Remember to calculate the initial and target Q values and find their difference.
Question 2
For a load requiring 100 kVAR at 415 volts in a three-phase circuit, calculate the necessary capacitance in μF.
💡 Hint: Use the appropriate conversion for reactive power in capacitive circuits.
Challenge and get performance evaluation