Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. salient. non uniform cylindrical. none of these. cylindrical. salient. non uniform cylindrical. none of these. cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 3000 rpm 750 rpm 1500 rpm 1000 rpm 3000 rpm 750 rpm 1500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called crawling. cogging. harmonics. resonance. crawling. cogging. harmonics. resonance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The volt-ampere euation for a long-shunt compound motor is given by Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs Vt= Ea– Iara Vt= Ea + Iara Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs Vt= Ea– Iara Vt= Ea + Iara ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Reluctance motor. Shaded pole motor. Hysteresis motor. Stepper motor. Reluctance motor. Shaded pole motor. Hysteresis motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to any of above. failure of insulation between two commutator bars. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. any of above. failure of insulation between two commutator bars. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. ANSWER DOWNLOAD EXAMIANS APP
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