Electrical Machines An induction motor is, in general analogous to auto transformer. two winding transformer with secondary short circuited. None of these two winding transformer with secondary open circuited. auto transformer. two winding transformer with secondary short circuited. None of these two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 20 ppm. 35 ppm. 25 ppm. 45 ppm. 20 ppm. 35 ppm. 25 ppm. 45 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.72. 0.62. 0.25. 1.24. 0.72. 0.62. 0.25. 1.24. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt, compound and series motor. Shunt motor as well as compound motors. Series motor. Shunt motor. Shunt, compound and series motor. Shunt motor as well as compound motors. Series motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? zero 30 rpm 1500 rpm 1470 rpm zero 30 rpm 1500 rpm 1470 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Synchronous motor. Separately compound motor. DC series motor. Shunt motor. Synchronous motor. Separately compound motor. DC series motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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