Electrical Machines Swinburne test is conducted under which of the following condition? half load any of the above full load no load half load any of the above full load no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Copper brushes in DC machine are used where low voltage and high currents are involved. None of these in both of above cases. where high voltage and low current. where low voltage and high currents are involved. None of these in both of above cases. where high voltage and low current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 700 W 600 W 650 W 625 W 700 W 600 W 650 W 625 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 2 KW. 10 KW. 8 KW. 0. 2 KW. 10 KW. 8 KW. 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for reduce losses increase efficiency convert AC armature current in to DC collecting of current reduce losses increase efficiency convert AC armature current in to DC collecting of current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are copper loss. eddy current loss. both 2 and 3. hysteresis loss. copper loss. eddy current loss. both 2 and 3. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP