Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.5. 1.8. 1.4. 1.2. 1.5. 1.8. 1.4. 1.2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. negative. zero. low. positive. negative. zero. low. positive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Fleming's left hand rule. Fleming's right hand rule. Lenz's law. Ampere law. Fleming's left hand rule. Fleming's right hand rule. Lenz's law. Ampere law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of the dc motor is generally of the range 0.1 ohm. 50 ohm. 100 ohm. 0.5 ohm. 0.1 ohm. 50 ohm. 100 ohm. 0.5 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotation of 5th harmonic component in the stator of an induction motor is (1 / 15) times the synchronous speed. 0.5 times the synchronous speed. 5 times the synchronous speed. (1 / 5) times the synchronous speed. (1 / 15) times the synchronous speed. 0.5 times the synchronous speed. 5 times the synchronous speed. (1 / 5) times the synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC compound motor. DC series motor. Synchronous motor. DC Shunt motor. DC compound motor. DC series motor. Synchronous motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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