PYQs Based test 9: Electrical Machines

Topics Covered

Sample Questions from this Test

1. The parameter of an equivalent circuit of a three-phase induction motor affected by reducing the rms value of the supply voltage at the rated frequency is
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2. The direction of rotation of a single-phase capacitor run induction motor is reversed by
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3. A three-phase cylindrical rotor synchronous generator has a synchronous reactance Xₛ and a negligible armature resistance. The magnitude of per phase terminal voltage is V${}_A$ and the magnitude of per phase induced emf is E${}_A$. Considering the following two statements, P and Q,
   
   P: For any three-phase balanced leading load connected across the terminals of this synchronous generator, V${}_A$ is always more than E${}_A$
   
   Q: For any three-phase balanced lagging load connected across the terminals of this synchronous generator, V${}_A$ is always less than E${}_A$
   
   Which of the following options is correct?
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Test Instructions

• The test contains 20 questions and a total of 32 marks.
• You will have 180 minutes to complete the test. The timer cannot be paused once started.
• Negative marking: 0.25 mark(s) deducted per wrong answer.
• Use the question palette to mark questions for review and navigate freely.
• Detailed solutions and analytics are available immediately after submission.
• This is a free practice test. No login required to attempt.