Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 50 W 75 W 112.5 W 168.75 W 50 W 75 W 112.5 W 168.75 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Both type rotor. Salient pole rotor. None of these Cylindrical rotor. Both type rotor. Salient pole rotor. None of these Cylindrical rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Reluctance motor. Hysteresis motor. Stepper motor. Shaded pole motor. Reluctance motor. Hysteresis motor. Stepper motor. Shaded pole motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. decreases increases any of the above remains unaffected decreases increases any of the above remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Induction motors Both Synchronous and Induction motor DC Shunt Motor Synchronous motors Induction motors Both Synchronous and Induction motor DC Shunt Motor Synchronous motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is separately excited. differentially compounded. shunt connected. cumulatively compounded. separately excited. differentially compounded. shunt connected. cumulatively compounded. ANSWER DOWNLOAD EXAMIANS APP
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