Electrical Machines Lamination of transformer core is made of wrought iron. cast iron. silicon steel. cast steel. wrought iron. cast iron. silicon steel. cast steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these static induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V. 230 V. 222 V. 225 V. 220 V. 230 V. 222 V. 225 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to control field current. limit the armature current. none of above. vary the armature resistance. control field current. limit the armature current. none of above. vary the armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Slip speed Zero Synchronous speed None of these Slip speed Zero Synchronous speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 25 Hz 50 Hz 0 Hz 100 Hz 25 Hz 50 Hz 0 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
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