6 questions Basic

ECADEMY test

Motors and motor protection

This course test contains 6 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 6 Basic

1 Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].

Question 2 of 6 Basic

2 Which formula will you use to calculate motor efficiency if the motor size is listed in hp?

Question 3 of 6 Basic

3 Which of the following things does a built-in protection device normally sense and protect against:

Question 5 of 6 Basic

5 Identify the parameters that a motor protection device monitors.

Question 6 of 6 Basic

6 Which of the following causes slow temperature increase in the motor winding?

Question 6 of 6 Basic

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Correct
Q: Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
A: Unexpected breakdown
Correct
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: (P2× 0.746/P1) × 100%
Correct
Q: Which of the following things does a built-in protection device normally sense and protect against:
A: Temperature
Correct
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers monitoring of the motor and protection.
Correct
Q: Identify the parameters that a motor protection device monitors.
A: Power consumption
Correct
Q: Which of the following causes slow temperature increase in the motor winding?
A: Frequent starts with high inertia load