Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to decrease the amount of copper to be used. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. increase the strength of rotor bars. decrease the amount of copper to be used. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. increase the strength of rotor bars. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 27°C. 35°C. 32°C. 45°C. 27°C. 35°C. 32°C. 45°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? 0 ∞ a finite negative value a positive finite value 0 ∞ a finite negative value a positive finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature circuit resistance control. Field resistance control. Armature voltage control. Any of above. Armature circuit resistance control. Field resistance control. Armature voltage control. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? rotates same direction None of these stationary rotates opposite direction rotates same direction None of these stationary rotates opposite direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the All of these armature core main field pole shoe All of these armature core main field pole shoe ANSWER DOWNLOAD EXAMIANS APP
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