Electrical Machines The constant losses in transformer is/are eddy current loss. both 2 and 3. copper loss. hysteresis loss. eddy current loss. both 2 and 3. copper loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Open type. Drip proof. Splash proof. Totally enclosed fan coiled. Open type. Drip proof. Splash proof. Totally enclosed fan coiled. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of oil in transformer. condition of cork gaskets used in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of cork gaskets used in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as boo. magnetostriction. hum. zoom. boo. magnetostriction. hum. zoom. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to reduce the magnetic hum and locking tendency of rotor. decrease the amount of copper to be used. provide ease of fabrication. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. decrease the amount of copper to be used. provide ease of fabrication. increase the strength of rotor bars. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has rms value. maximum value. average value. total value. rms value. maximum value. average value. total value. ANSWER DOWNLOAD EXAMIANS APP