Electrical Machines Which of the following is/are not a self starting motor? None of these 1-phase induction motor 3-phase induction motor both 1 and 2 None of these 1-phase induction motor 3-phase induction motor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a separately excited DC generator. series wound DC generator. shunt wound DC generator. permanent magnet DC generator. separately excited DC generator. series wound DC generator. shunt wound DC generator. permanent magnet DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. run in a direction opposite to previous one. get damaged. continue running in the same direction as before. not run. run in a direction opposite to previous one. get damaged. continue running in the same direction as before. 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:- 2 and 4. 1, 2 and 3. 2, 3 and 4. 1, 3 and 4. 2 and 4. 1, 2 and 3. 2, 3 and 4. 1, 3 and 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = 2/P*θmech θelec = 4/P*θmech θelec = P/2*θmech θelec = θmech θelec = 2/P*θmech θelec = 4/P*θmech θelec = P/2*θmech θelec = θmech ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 74 37 72 36 74 37 72 36 ANSWER DOWNLOAD EXAMIANS APP
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