Home > Electrician > Quizzes > Electrician Practice Test: Inverter and UPS
Electrician Practice Test: Inverter and UPS
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 59% • Most missed: “Which type of output transformer is used in automatic voltage stabilizer?”
Electrician Practice Test: Inverter and UPS
Time left 00:00
25 Questions

1. Which one of the following is time based maintenance?
2. The life span of the battery will affect due to ________.
3. How the backup time of UPS can be increased?
4. What is the full form of PWM?
5. What is the minimum permissible single phase working voltage, if the declared voltage is 240V as per ISI?
6. The correction speed of voltage stabilizer is ________.
7. Which part in UPS supplies continuous output voltage in case of input voltage failure?
8. Which one of the following comes under preventive maintenance?
9. The cause of battery failure is ______.
10. Which type of maintenance is not directly included in the total maintenance cost, but might be a component of total cost?
11. Which one of the following comes under predictive maintenance?
12. Which principle the constant voltage transformer works?
13. The necessity of preventive maintenance is __________.
14. What is the purpose of output transformer in inverters?
15. What is the reason for having low back up time in UPS?
16. Which transformer is used in servo voltage stabilizer?
17. The test recommended if rotor winding is open circuited.
18. Which feedback network is used for automatic voltage stabilizer?
19. What is the full form of abbreviation UPS?
20. What is the effect in internal resistance of a discharged cell?
21. Which is frequency converter?
22. Which term refers that the mass of a substance liberated from an electrolyte by one coloumb of electricity?
23. How the hard sulphation defect in secondary cell can be prevented?
24. Less maintenance troubles are experienced in case of ________.
25. Calculate the voltage and ampere/hour, if four cells rated as 1.5 v and 8A.H are in parallel?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Electrician Practice Test: Control Panel Wiring Electrical Measurements Knowledge Test Electrician Practice Test: AC Single Phase Motor Basic Circuit Information and Problems Electrician Practice Test: Generation, Transmission And Distribution System Electrical Certification Exam Electrician Practice Test: Basic Electronics NYC Master Electrician Exam Questions Journeyman Electrician Practice Test Electrical Tools
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.