A room in a house is 14 feet 6 inch by 12 feet 6 inches. It has 8-ft ceilings.What must the air flow into the room be in cubic feet per minute to have 6 air changes per hour? Round the answer to the nearer hundredth CFM if needed.
Fill in the blank(s) with the appropriate word(s).
145 CFM
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The energy of the capacitor is stored in the dielectric in the form of an ____ charge.
a. electrostatic b. electromagnetic c. alternating d. inductive
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The counter-emf controller is a commonly used method for the automatic ____ of a DC motor.
a. starting b. deceleration c. acceleration d. stopping
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The startup current for large induction motors is very high because
A) the power factor is low B) the counter emf is very high C) the starting impedance is slightly capacitive D) the starting impedance is purely inductive
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An AC motor has two basic electrical parts: a stator and a(n) _____________________.
Fill in the blank(s) with the appropriate word(s).
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