1
Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
2
Which of the following things does a built-in protection device normally sense and protect against:
3
Which of the following statements is true about pump protection devices?
4
Which of the following causes slow temperature increase in the motor winding?
5
By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
6
Identify the parameters that a motor protection device monitors.
Test results
Congratulations. You have passed the test and completed the 14 - Motors and motor protection
Achieved badges:
01.
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: (P2× 0.746/P1) × 100%
01.
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.
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: ( P3 ×0.746/P2 ) ×100 %
02.
Q: Which of the following things does a built-in protection device normally sense and protect against:
A: Temperature
02.
Q: Which of the following things does a built-in protection device normally sense and protect against:
A: Cos ϕ
02.
Q: Which of the following things does a built-in protection device normally sense and protect against:
A: Voltage
03.
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers monitoring of the motor and protection.
03.
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers only protection.
03.
Q: Which of the following statements is true about pump protection devices?
A: Motor protection offers only monitoring for identifying probable risks.
04.
Q: Which of the following causes slow temperature increase in the motor winding?
A: Frequent starts with high inertia load
04.
Q: Which of the following causes slow temperature increase in the motor winding?
A: Low viscosity of the pumping liquid
04.
Q: Which of the following causes slow temperature increase in the motor winding?
A: Locked rotor
05.
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted from the central controller
05.
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted to the central controller
05.
Q: By using the Grundfos MP204 protection device and a CIU communication unit, the monitored data can be:
A: Transmitted to distributed controllers
06.
Q: Identify the parameters that a motor protection device monitors.
A: Power consumption
06.
Q: Identify the parameters that a motor protection device monitors.
A: Output
06.
Q: Identify the parameters that a motor protection device monitors.
A: Viscosity of the pumping liquid