Before the power factor of a motor can be corrected, what must be determined first?
What will be an ideal response?
Before the power factor of a motor can be corrected, it must first be determined how much out of phase current and voltage are with each other.
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Explain why the micro-perforations in a membrane-type air-weather barrier allow water vapor to pass through but neither (liquid) water nor air.
What will be an ideal response?
Fuel oil used for residential furnaces is classified as number __________ fuel oil.
A. 1 B. 2 C. 3 D. 4
A short circuit is one in which _____
a. the current bypasses the load b. the wiring is not long enough c. there is a shortage of current d. the voltage is inadequate for the load
A series RL circuit contains two resistors and two inductors. The resistors are 33 ? and 47 ?. The inductors have inductive reactances of 60 ? and 30 ?. Angle theta is _____.
A. 48.37° B. 52.27° C. 63.97° D. 72.55°