Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 44 A. 440 A. 400 A. 40 A. 44 A. 440 A. 400 A. 40 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Series motor. Differential compound motor. Shunt motor. Cummulative compound motor. Series motor. Differential compound motor. Shunt motor. Cummulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 3000 rpm 1000 rpm 4000 rpm 1500 rpm 3000 rpm 1000 rpm 4000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 1800 Watt. 1960 Watt. 1920 Watt. 980 Watt. 1800 Watt. 1960 Watt. 1920 Watt. 980 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 48.5Hz 2.5Hz 1.5Hz 51.5Hz 48.5Hz 2.5Hz 1.5Hz 51.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? None of the options. Permanent magnets. Both B and C. Electromagnets. None of the options. Permanent magnets. Both B and C. Electromagnets. ANSWER DOWNLOAD EXAMIANS APP
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