Three Phase Systems In Power Applications MCQ Questions & Answers

Learn Three Phase Systems In Power Applications MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Three-Phase Systems In Power Applications MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-4 section-1

A three-phase ∆-connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When I_θa = 12 ∠30° A, what are the polar expressions for the other phase currents?

A) I_θb = 12 ∠150° A, I_θc = 12 ∠-90° A B) I_θb = 12 ∠120° A, I_θc = 12 ∠30° A C) I_θb = 12 ∠30° A, I_θc = 12 ∠120° A D) I_θb = 12∠ 90° A, I_θc = 12 ∠90° A

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Answer & Solution

Answer: Option A

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In the transformer the function of a conservator is to

A) Provide fresh air for cooling the transformer B) Supply cooling oil to transformer in time of need C) Protect the transformer from damage when oil expends due to heating D) None of the above

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Answer & Solution

Answer: Option C

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Three Phase Systems In Power Applications MCQ Questions &amp; Answers | Electrical Engineering

Three Phase Systems In Power Applications MCQ Questions & Answers | Electrical Engineering