Three Phase Systems In Power Applications MCQ Questions & Answers

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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-3 section-1

In a three-phase system, the voltages are separated by

A) 45° B) 90° C) 120° D) 180°

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by

A) Certain constant phase angles B) Certain constant frequencies C) Certain constant voltages D) Certain constant currents

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In a certain three-wire Y-connected generator, the phase voltages are 2 kV. The magnitudes of the line voltages are

A) 2,000 V B) 6,000 V C) 666 V D) 3,464 V

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

A simple two-phase generator consists of two conductive loops separated by 90°, rotating in a magnetic field.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In a balanced three-phase load, each phase has

A) An equal amount of power B) One-third of total power C) Two-thirds of total power D) A power consumption equal to $$\sqrt {3{{\text{V}}_{\text{L}}}} {I_{\text{L}}}$$

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A balanced load is one in which all the impedances are equal.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A constant load power means a uniform conversion of

A) Mechanical to electrical energy B) Electrical to mechanical energy C) Current to voltage D) Voltage to current

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A single-phase sinusoidal voltage of 120 V is connected to a 90 Ω load. Current in the circuit is

A) 13.3 mA B) 133 mA C) 1.33 A D) 6.2 A

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The term 'squirrel-cage' applies to a type of three-phase ac generator.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A simple three-phase generator consists of three conductive loops separated by 120°.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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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