Electrical Machines In a DC machine, the angle between the stator and rotor fields is 180o. 0o. dependent upon the load. 90o. 180o. 0o. dependent upon the load. 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The crawling in the induction motor is caused by low voltage supply high loads improper design of stator laminations harmonics developed in the motor low voltage supply high loads improper design of stator laminations harmonics developed in the motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of pole pairs. number of commutator segments. number of poles. number of parallel paths. number of pole pairs. number of commutator segments. number of poles. number of parallel paths. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is AC series motor. repulsion motor. universal motor. reluctance motor. AC series motor. repulsion motor. universal motor. reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of None of these DC machines above 10 kW. DC machines bellow 5 kW. fractional kW DC machines. None of these DC machines above 10 kW. DC machines bellow 5 kW. fractional kW DC machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? continuity supply is maintained All of these Increase in reliability Increase efficiency under light load conditions continuity supply is maintained All of these Increase in reliability Increase efficiency under light load conditions ANSWER DOWNLOAD EXAMIANS APP
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