Electrical Machines Hunting in a synchronous cannot be due to variable load. windage friction. variable frequency. variable supply voltage. variable load. windage friction. variable frequency. variable supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is 1. slip X 59 / 3. slip X 69 / 3. slip X 50 / 3. 1. slip X 59 / 3. slip X 69 / 3. slip X 50 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Use of fractional pitch winding results in reduced leakage reactance. All of these make it stiffer. results in reduced axial length of the machine. results in reduced leakage reactance. All of these make it stiffer. results in reduced axial length of the machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and flux of a DC motor are held constant and voltage applied across it armature is increased by 5%, the speed of the motor will Increase by 5%. Depends on other factor. Reduce by 5%. Remain unchanged. Increase by 5%. Depends on other factor. Reduce by 5%. Remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 120 V 175 V 240 V 140 V 120 V 175 V 240 V 140 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 90°. 60°. 120°. 30°. 90°. 60°. 120°. 30°. ANSWER DOWNLOAD EXAMIANS APP
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