Electrical Machines In a DC compound motor the field regulator is provided to control the field flux. demagnetize the field partially. control the armature flux. limit the armature current. control the field flux. demagnetize the field partially. control the armature flux. limit the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents armature reactance and leakage reactance All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance All of these field winding reactance a reactance operating at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in short circuit. open circuit. reduction in generated emf. increase in slip. short circuit. open circuit. reduction in generated emf. increase in slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.2 0.4 0.02 0.04 0.2 0.4 0.02 0.04 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is directly proportional to slip inversely proportional to slip not dependent on the slip either of these directly proportional to slip inversely proportional to slip not dependent on the slip either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be less than 30 W zero watt 30 W more than 30 W less than 30 W zero watt 30 W more than 30 W ANSWER DOWNLOAD EXAMIANS APP
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