Alternators MCQs
Practice free Alternators multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 172 questions — no login required.
Question 19easy
The necessary condition for parallel operation of two alternators is
Question 20easy
Two alternators are running in parallel. If the driving force of both the alternators is changed, there will result change in
Question 21easy
In a 3-phase alternator, the unsaturated synchronous reactance of 30 per phase. Then sturated synchronous reactance is
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Question 23easy
The effect of cross-magnetizing field in an alternator may be reduced by
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Question 25easy
To reverse the phase sequence of voltage generated in an alternator, we should
Question 26easy
In an alternator, if Xs is the synchronous reactance, and Xc is the leakage reactance, then the reactance Xs due to armature flux is given by