Electrical Machines Which of the following motors has low ratings only? Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage, frequency and load supply voltage and frequency supply voltage and load supply voltage supply voltage, frequency and load supply voltage and frequency supply voltage and load supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? None of these pure inductive load pure capacitive load pure resistive load None of these pure inductive load pure capacitive load pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? 15.28 Nm 15.6 Nm Zero 16.55 Nm 15.28 Nm 15.6 Nm Zero 16.55 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Copper brushes in DC machine are used where high voltage and low current. None of these in both of above cases. where low voltage and high currents are involved. where high voltage and low current. None of these in both of above cases. where low voltage and high currents are involved. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. None of above. Any of above method. Rheostatic control. Ward Leonard control. None of above. Any of above method. Rheostatic control. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
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