1
Which of the following statements is true about pump protection devices?
2
Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
3
By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
4
Which of the following statements is true about power consumed and the amount charged?
5
Which of the following causes slow temperature increase in the motor winding?
6
Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
Test results
Congratulations. You have passed the test and completed the 14 - Motors and motor protection
Achieved badges:
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers monitoring of the motor and protection.
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers only protection.
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers only monitoring for identifying probable risks.
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
Q: Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
A: Frequency variation
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted from the central controller
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
Q: Which of the following statements is true about power consumed and the amount charged?
A: The amount of power that the power company charges is less than the power consumed by the motor in all instances.
Q: Which of the following statements is true about power consumed and the amount charged?
A: The amount of power that the power company charges is equal to the power consumed by the motor in all instances.
Q: Which of the following statements is true about power consumed and the amount charged?
A: The amount of power that the power company charges is greater than the power consumed by the motor in instances.
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
Q: Which of the following causes slow temperature increase in the motor winding?
A: Locked rotor
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 %
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: ( P3 ×0.746/P2 ) ×100 %