Alternator Objective Questions and Answers

In this post, we have brought to you “Alternator Objective Questions and Answers ” which is important for every electrical related exam.

Alternator Objective Questions and Answers
Alternator Objective Questions and Answers

Imp Alternator Objective Questions and Answers

01. When a Three Phase Alternator Supplies Resistive load, Armature Reaction flux will be

  1. At 90 Digree With The Field Axix
  2. At 45 Digree With the Field Axix
  3. Along The Axix of the Field
  4. None of the Above
At 90 Digree With The Field Axix

02. If the 12 pole Alternator is to Generate a 50 Hz Output, is Should be Rotated at

  1. 1500 RPM
  2. 1000 RPM
  3. 500 RPM
  4. 250 RPM
500 RPM

03. Rotating Rectifiers are Used in ?

  1. Induction Motors
  2. Single Phase Motors
  3. DC Generators
  4. Brushless Alternator
Brushless Alternator

04. The Alternator in a Generating Stations are Connected in ?

  1. Delta
  2. Star
  3. Star Delta
  4. Double Star
Star

05. The Frequency of voltage Generated by an Alternator Having 4 Poles and Rotating at 1500 RPM is

  1. 50 Hz
  2. 100 Hz
  3. 700 Hz
  4. 400 Hz
50 Hz

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