Electrician Red Seal · Question
An electrician is troubleshooting a facility's power factor and finds it to be lagging at 0.75. To improve the power factor closer to unity, what type of equipment should be installed?
A lagging power factor indicates an excess of inductive reactive power, typically from motors and transformers. Capacitor banks supply leading reactive power to
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
Question: An electrician is troubleshooting a facility's power factor and finds it to be lagging at 0.75. To improve the power factor closer to unity, what type of equipment should be installed?
Answer options:
- Inductive reactors
- Resistive heaters ✅ Capacitor banks
- Autotransformers
Correct answer: Capacitor banks
Explanation: A lagging power factor indicates an excess of inductive reactive power, typically from motors and transformers. Capacitor banks supply leading reactive power to counteract the inductive reactive power, thereby improving the power factor.
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
More about Electrician Red Seal
Related Questions
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
- A Red Seal electrician is setting up temporary power for a construction site. The main temporary service is a
- A new industrial facility requires a 600 V, three-phase, 150 A feeder to supply a motor control centre. The co
More for Electrician Red Seal candidates
Practice tests
Question explanations
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Electrician Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.