1.a. Which one of the following statements is true about a dual-voltage capacitor-start motor? A. The auxiliary-winding circuit operates at 115 volts on 115-volt and 230-volt circuits. B. The main windings are identical to obtain the same starting torques on 115-volt and 230-volt circuits. C. The direction of rotation is reversed by interchanging the leads of one main winding. D. The main windings are connected in series for 115-volt operation. 1.b. An auxiliary phase winding is used in a single-phase fractional horsepower motor to A. decrease flux density. B. decrease motor heating. C. reverse motor rotation. D. increase motor speed.
1.a. Which one of the following statements is true about a dual-voltage capacitor-start motor? A. The auxiliary-winding circuit operates at 115 volts on 115-volt and 230-volt circuits. B. The main windings are identical to obtain the same starting torques on 115-volt and 230-volt circuits. C. The direction of rotation is reversed by interchanging the leads of one main winding. D. The main windings are connected in series for 115-volt operation. 1.b. An auxiliary phase winding is used in a single-phase fractional horsepower motor to A. decrease flux density. B. decrease motor heating. C. reverse motor rotation. D. increase motor speed.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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1.a. Which one of the following statements is true about a dual-voltage capacitor-start motor?
A. The auxiliary-winding circuit operates at 115 volts on 115-volt and 230-volt circuits.
B. The main windings are identical to obtain the same starting torques on 115-volt and 230-volt circuits.
C. The direction of rotation is reversed by interchanging the leads of one main winding.
D. The main windings are connected in series for 115-volt operation.
1.b. An auxiliary phase winding is used in a single-phase fractional horsepower motor to
A. decrease flux density.
B. decrease motor heating.
C. reverse motor rotation.
D. increase motor speed.
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