6 questions Basic

### 14 - 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.

Question 1 of 6 Basic

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

Question 2 of 6 Basic

By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:

Question 3 of 6 Basic

Identify the parameters that a motor protection device monitors.

Question 4 of 6 Basic

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

Question 5 of 6 Basic

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

Question 6 of 6 Basic

Which of the following statements is true about pump protection devices?

Question 6 of 6 Basic

# Test results

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Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: (P2× 0.746/P1) × 100%
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: ( P1 × 0.746/P2) ×100 %
01: (P2× 0.746/P1) × 100%
03: ( P3 ×0.746/P2 ) ×100 %
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: ( P3 ×0.746/P2 ) ×100 %
01: (P2× 0.746/P1) × 100%
02: ( P1 × 0.746/P2) ×100 %
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted from the central controller
02: Transmitted to the central controller
03: Transmitted to distributed controllers
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted to the central controller
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted to distributed controllers
01: Transmitted from the central controller
02: Transmitted to the central controller
Q: Identify the parameters that a motor protection device monitors.
A: Power consumption
Q: Identify the parameters that a motor protection device monitors.
A: Output
01: Power consumption
03: Viscosity of the pumping liquid
Q: Identify the parameters that a motor protection device monitors.
A: Viscosity of the pumping liquid
01: Power consumption
02: Output
Q: Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
A: Unexpected breakdown
Q: Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
A: Sudden increase or decrease in temperature
01: Unexpected breakdown
03: Frequency variation
Q: Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
A: Frequency variation
01: Unexpected breakdown
02: Sudden increase or decrease in temperature
Q: Which of the following causes slow temperature increase in the motor winding?
A: Frequent starts with high inertia load
Q: Which of the following causes slow temperature increase in the motor winding?
A: Low viscosity of the pumping liquid
01: Frequent starts with high inertia load
03: Locked rotor
Q: Which of the following causes slow temperature increase in the motor winding?
A: Locked rotor
01: Frequent starts with high inertia load
02: Low viscosity of the pumping liquid