Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor None of these. Decrease. Increase. Remains same. None of these. Decrease. Increase. Remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 2 / 3. 6 / 7. 5 / 6. 4 / 5. 2 / 3. 6 / 7. 5 / 6. 4 / 5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? None of these either of these squirrel cage induction motor slip ring induction motor None of these either of these squirrel cage induction motor slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be pulsed wave. sine wave. square wave. triangular wave. pulsed wave. sine wave. square wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? All of these magnetization demagnetization cross magnetization All of these magnetization demagnetization cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 340 A. 250 A. 460 A. 570 A. 340 A. 250 A. 460 A. ANSWER DOWNLOAD EXAMIANS APP
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