Electrical Machines What is the highest possible speed of turbo alternators? 1500 rpm 3000 rpm 4000 rpm 1000 rpm 1500 rpm 3000 rpm 4000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following methods are suitable for the speed control of squirrel cage induction motor? 1. Voltage control. 2. Frequency control. 3. Pole changing method. 4. Rotor resistance control select the correct answer using the codes given below:- 1, 3 and 4. 2, 3 and 4. 2 and 4. 1, 2 and 3. 1, 3 and 4. 2, 3 and 4. 2 and 4. 1, 2 and 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type series generator. shunt generator. short - shunt generator. level compound. series generator. shunt generator. short - shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate the use equalizer in lap winding. the use drum winding. reactance voltage produced due to communication. the use of compensating winding. the use equalizer in lap winding. the use drum winding. reactance voltage produced due to communication. the use of compensating winding. ANSWER DOWNLOAD EXAMIANS APP
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