Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.3. 0.54. 0.7. 1. 0.3. 0.54. 0.7. 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to all of these. high filed circuit resistance. zero or very low voltage supply. over load. all of these. high filed circuit resistance. zero or very low voltage supply. over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. stator of a dc machine. rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. stator of a dc machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 45. 180. 30. 270. 45. 180. 30. 270. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be steady and unidirectional oscillating pulsating and unidirectional None of these steady and unidirectional oscillating pulsating and unidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? They are not hard as copper brush They are self lubricating in nature All of these In case of any sparking they will be less damaged than copper brushes They are not hard as copper brush They are self lubricating in nature All of these In case of any sparking they will be less damaged than copper brushes ANSWER DOWNLOAD EXAMIANS APP
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