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Transformer 

An isolation transformer has primary to secondary turns ratio of

March 19, 2021March 19, 2021 Electric 0 Comments

An isolation transformer has primary to secondary turns ratio of: 1:1 1:2 2:1 Any of above Correct answer: 1. 1:1

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AC/DC Machines Electrical Machines 

In Electrical Machines the hysteresis effect results in

March 13, 2021March 13, 2021 Electric 0 Comments

In Electrical Machines the hysteresis effect results in: Power loss Reduction of efficiency Raising temperature of machine All of above

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AC/DC Machines Induction Motor 

The capacitor start, capacitor run induction motor acts as a true 2-phase motor at which of the following condition

March 13, 2021March 13, 2021 Electric 0 Comments

The capacitor start, capacitor run induction motor acts as a true 2-phase motor at which of the following condition: No

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AC/DC Machines DC Machines Electrical Machines 

A DC series motor will over speed for which of the following condition

March 13, 2021March 13, 2021 Electric 0 Comments

A DC series motor will over speed for which of the following condition: When field is opened When load is

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Transformer 

The flux in the core of single-phase transformer is

March 13, 2021March 13, 2021 Electric 0 Comments

The flux in core of single phase transformer is: Purely rotating one Purely alternating one Partly alternating and partly rotating

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Transformer 

Certain transformer has full-load copper losses of 500 W. What is the value of the copper loss at half load

March 12, 2021March 12, 2021 Electric 0 Comments

Certain transformer has full-load copper losses of 500 W. What is value of copper loss at half load: 62.5 W

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Transformer 

What is the full load primary current of a 3000/150 V, 30 kVA transformer

March 12, 2021March 12, 2021 Electric 0 Comments

What is the full load primary current of a 3000/150 V, 30 kVA transformer: 2 A 5 A 10 A

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DC Machines 

The overall efficiency of a DC generator is maximum when its variable loss equals

February 10, 2021February 10, 2021 Electric 0 Comments

The overall efficiency of a DC generator is maximum when its variable loss equals: Stray losses Iron losses Constant losses

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Transformer 

Transformer MCQ Part 9

December 19, 2020December 19, 2020 Electric 0 Comments

Transformer MCQ Questions The iron core in transformer provides _____________ path to main flux The iron core in transformer provides

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Transformer 

Transformer MCQ Part 8

December 19, 2020December 19, 2020 Electric 0 Comments

Transformer MCQ Questions The efficiency of two identical transformers under load conditions can be determined by which of the following

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Electrical Engineering MCQ

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Electrical Engineering MCQ List

  • Units and Quantities
  • Basic Electrical Laws
  • BJT MCQ
  • Control System MCQ
  • Basic Electronics
  • Diode MCQ Questions
  • Induction Motor MCQ
  • Measurement and Instrumentation
  • Synchronous Generator MCQ
  • Synchronous Motor MCQ
  • Sensors
  • Transformer
  • Digital Electronics MCQ
  • Power Electronics MCQ
  • Op Amp MCQ
  • Power Generation MCQ
  • Power Transmission & D
  • Power System Protection
  • Power System Analysis
  • High Voltage Engineering
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