Transformer MCQ Questions The iron core in transformer provides _____________ path to main flux The iron core in transformer provides _____________ path to main flux: Low reluctance High reluctance High conductivity Low resistance Correct answer: 1. Low reluctance The core ...
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Transformer MCQ Part 8
ElectricTransformer MCQ Questions The efficiency of two identical transformers under load conditions can be determined by which of the following tests The efficiency of two identical transformers under load conditions can be determined by which of the following tests: Back ...
Synchronous Motor MCQ Part 10
ElectricThe synchronous motor’s V curve is plotted between which of the two given parameters Power factor and speed Field current and speed Armature current and field current None of these Correct answer: 3. Armature current and field current
Synchronous Motor MCQ Part 9
ElectricThe maximum power developed in a synchronous motor occurs at a which coupling angle The maximum power developed in a synchronous motor occurs at a which coupling angle: 30° 60° 90° 180° Correct answer: 3. 90° The maximum power developed ...
Synchronous Generator MCQ Part 5
ElectricSynchronous Generator MCQ Part 5 If prime mover of an alternator supplying load to infinite busbar is suddenly shutdown, then it will If prime mover of an alternator supplying load to infinite busbar is suddenly stutdown, then it will: Stop ...
Synchronous Generator MCQ Part 4
ElectricOf given conditions which of following is not necessary to be satisfied for synchronizing an incoming alternator to an already operating alternator Of given conditions which of the following is not necessary to be satisfied for synchronizing an incoming alternator ...
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Synchronous Generator MCQ Part 2
ElectricSynchronous Generator MCQ Part 2 Very often alternators are connected in parallel because Very often alternators are connected in parallel because: It makes repairing convenient It is easy to install or remove units when necessary It increases reliability of power ...
The voltage per turn of primary of the transformer as compared to the voltage per turn of the secondary is
ElectricThe voltage per turn of primary of transformer is ___________ as compared to voltage per turn of secondary: Less More Same Can’t predict from given data Correct answer: 3. Same The voltage per turn of primary of transformer is same ...
Which of the following is the purpose of providing an iron core in transformer
ElectricThe purpose of providing iron core in transformer is to: Decrease the reluctance of the magnetic path Provide support to windings Reduce hysteresis loss Reduce eddy current losses Correct answer: 1. Decrease the reluctance of the magnetic path
The efficiency of a power transformer is around
ElectricThe efficiency of a power transformer is around: 40% 70% 80% 95% Correct answer: 4. 95%