Electrical Machines The constant losses in transformer is/are hysteresis loss. eddy current loss. both 2 and 3. copper loss. hysteresis loss. eddy current loss. both 2 and 3. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Capacitor start capacitor run IM. Capacitor start IM. Split phase IM. Synchronous motor. Capacitor start capacitor run IM. Capacitor start IM. Split phase IM. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. None of the options. Parallel. Compound. Series. None of the options. Parallel. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 16KVA 4KVA 20KVA 0KVA 16KVA 4KVA 20KVA 0KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the necessity of copper brushes in a dc motors? To convert alternating supply current to direct current. To absorb the mechanical shocks produced during running condition. To increase the flux cutting by the rotor. None of these. To convert alternating supply current to direct current. To absorb the mechanical shocks produced during running condition. To increase the flux cutting by the rotor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.3. 1. 0.54. 0.7. 0.3. 1. 0.54. 0.7. ANSWER DOWNLOAD EXAMIANS APP