Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
Fill in the blank with the correct answer. Fitting protective devices in motors will help avoid [xxxxxxx].
The slots located in the inner diameter of a stator have:
Which of the following statements is true about pump protection devices?
Which of the following statements is true about power consumed and the amount charged?
Which of the following things does a built-in protection device normally sense and protect against:
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 %
Q: Which formula will you use to calculate motor efficiency if the motor size is listed in hp?
A: ( P3 ×0.746/P2 ) ×100 %
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: The slots located in the inner diameter of a stator have:
A: Copper wires
Q: The slots located in the inner diameter of a stator have:
A: Copper bars
Q: The slots located in the inner diameter of a stator have:
A: Aluminum bars
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: 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 things does a built-in protection device normally sense and protect against:
A: Temperature
Q: Which of the following things does a built-in protection device normally sense and protect against:
A: Cos ϕ
Q: Which of the following things does a built-in protection device normally sense and protect against:
A: Voltage