Electrical Machines The induction motor shaft is made of aluminium. mild steel. cast iron. stainless steel. aluminium. mild steel. cast iron. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt with armature resistance control. dc compound motor. dc shunt motor with field weakening. dc series motor. dc shunt with armature resistance control. dc compound motor. dc shunt motor with field weakening. dc series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 volt dc series motor having an armature resistance of 0.2 Ω takes a load current of 60 A. What will be the torque produced at the shaft of the motor? Consider brush drop of 1V. 266.20 N-m. 234.76 N-m. 133.22 N-m can not be determined. 266.20 N-m. 234.76 N-m. 133.22 N-m can not be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable tan - delta (tanδ) of dielectric dispassion factor of power transformer insulating oil is generally taken as 1 at 90°C. 0.5 at 90°C. 3 at 90°C. 2 at 90°C. 1 at 90°C. 0.5 at 90°C. 3 at 90°C. 2 at 90°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 8 pole. 4 pole. 6 pole. 2 pole. 8 pole. 4 pole. 6 pole. 2 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to overheating of winding. uneven air gap. overload. poor lubrication. overheating of winding. uneven air gap. overload. poor lubrication. ANSWER DOWNLOAD EXAMIANS APP