Electrical Machines The heat generated in the transformer is dissipated mainly by All of these conduction. radiation. convection. All of these conduction. radiation. convection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. Compound. Parallel. None of the options. Series. Compound. Parallel. None of the options. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? 0 a positive finite value ∞ a finite negative value 0 a positive finite value ∞ a finite negative value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as zoom. magnetostriction. hum. boo. zoom. magnetostriction. hum. boo. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to decrease the amount of copper to be used. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. decrease the amount of copper to be used. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 220.4 volt. None of these. 120 volt. 218.5 volt. 220.4 volt. None of these. 120 volt. 218.5 volt. ANSWER DOWNLOAD EXAMIANS APP