5.a. The aging of transformer insulation A. increases as the temperature increases. B. does not affect the transformer life. C. is not affected by the temperature. D. decreases as the temperature increases. 5.b. Excessive power-transformer noise at the start of operation is most likely caused by A. an open feeder switch. B. a loose brace. C. a defective radiator. D. an open load fuse
5.a. The aging of transformer insulation A. increases as the temperature increases. B. does not affect the transformer life. C. is not affected by the temperature. D. decreases as the temperature increases. 5.b. Excessive power-transformer noise at the start of operation is most likely caused by A. an open feeder switch. B. a loose brace. C. a defective radiator. D. an open load fuse
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Question
5.a. The aging of transformer insulation
A. increases as the temperature increases.
B. does not affect the transformer life.
C. is not affected by the temperature.
D. decreases as the temperature increases.
5.b. Excessive power-transformer noise at the start of operation is most likely caused by
A. an open feeder switch.
B. a loose brace.
C. a defective radiator.
D. an open load fuse.
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