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4 questions Advanced
ECADEMY test
Solar pumping system accessories
This course test contains 4 questions and can be retaken at any time.
You must answer all questions correctly to pass the test and complete the course.
Question 1 of 4 Advanced
1
What is the purpose of a surge arrestor?
Question 2 of 4 Advanced
2
When is a thin film solar panel a better solution than a crystalline solar panel?
Question 3 of 4 Advanced
3
What characterises VMP?
Question 4 of 4 Advanced
4
When should you use a sine wave filter?
Question 4 of 4 Advanced
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Q: What is the purpose of a surge arrestor?
A: It protects against nearby lightning strikes and thunderstorms
Q: What is the purpose of a surge arrestor?
A: It allows you to safely disconnect the power for service
Q: What is the purpose of a surge arrestor?
A: It prevents the motor from wearing out
Q: When is a thin film solar panel a better solution than a crystalline solar panel?
A: In cold conditions
Q: When is a thin film solar panel a better solution than a crystalline solar panel?
A: In windy conditions
Q: When is a thin film solar panel a better solution than a crystalline solar panel?
A: In cloudy conditions
Q: What characterises VMP?
A: The voltage when solar panels are loaded optimally
Q: What characterises VMP?
A: The voltage when wires aren’t connected
Q: What characterises VMP?
A: The current when the wires are short-circuited
Q: When should you use a sine wave filter?
A: With an external frequency drive connecting to a motor lower than 250VAC
Q: When should you use a sine wave filter?
A: With an external frequency drive connecting to a motor higher than 380VAC
Q: When should you use a sine wave filter?
A: Whenever you want