Electrician Red Seal · Question
During a routine inspection, you notice a large industrial fan motor operating significantly under loaded. How might this affect the power factor of the facility?
Induction motors operating at less than their full load capacity draw a higher proportion of reactive current compared to active current, leading to a poorer (l
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
Question: During a routine inspection, you notice a large industrial fan motor operating significantly under loaded. How might this affect the power factor of the facility?
Answer options:
- It would likely improve the overall power factor. ✅ It would likely worsen (lower) the overall power factor.
- It would have no significant impact on the power factor.
- It would cause the power factor to become leading.
Correct answer: It would likely worsen (lower) the overall power factor.
Explanation: Induction motors operating at less than their full load capacity draw a higher proportion of reactive current compared to active current, leading to a poorer (lower) power factor for that motor and thus affecting the overall facility power factor negatively.
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.