Electrical Machines A compound motor has only series field winding. both shunt and series field winding. tertiary winding. only shunt field winding. only series field winding. both shunt and series field winding. tertiary winding. only shunt field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as an inductor. A capacitor. A resistor. None of these. an inductor. A capacitor. A resistor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is none of these. higher than power transformer. lesser than power transformer. equal as power transformer. none of these. higher than power transformer. lesser than power transformer. equal as power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A simple method of increasing the voltage of a DC generator is to increase the speed of shaft rotation. increase the source frequency. increase the number of turns in armature coil. increase the number of turns in field coil. increase the speed of shaft rotation. increase the source frequency. increase the number of turns in armature coil. increase the number of turns in field coil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. 0o. 90o. Greater than 90o. less than 90o. 0o. 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is None of these DC. armature is not present in DC generator. AC. None of these DC. armature is not present in DC generator. AC. ANSWER DOWNLOAD EXAMIANS APP
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