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A stack switch is a heat-actuated control that uses the stack temperature to indicate that the oil burner has or has not established a flame.
Q1: A single-phase synchronous motor is sometimes referred
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Q6: In a three-phase motor, the speed of
Q11: The frequency is known as ohms but
Q14: The _ is a brushless DC, three-phase
Q14: Alternators of small kilovolt-ampere rating are generally _
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Q15: The pushing or turning force created by
Q17: Motors are the most important loads in