The excitation current should be connected to the rotor only after it has accelerated to a speed that is close to synchronous speed.
Answer the following statement true (T) or false (F)
True
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A ____ section is a view that does not cut completely through the structure.
A. longitudinal B. dividing C. partial D. full
Answer the following statement(s) true (T) or false (F)
1. Manual motor starters are limited to smaller horsepower motors. 2. Manual motor starters provide protection from automatic restart when power is restored after a power outage. 3. Combination motor starters are found primarily in large commercial and industrial installations. 4. Motor Control Centers are found in smaller commercial installations.
Which type of evaporative humidifier utilizes a fan to draw in air?
A) Evaporative B) Fan-powered C) Bypassing D) Atomizing
A possible long-term effect of exposure to indoor air pollutants is _____
a. headache b. cancer c. eye irritation d. drowsiness