Electrical Machines In synchronous generator V curve is drawn between field current on X-axis and power factor on Y-axis. either of these. field current on X-axis and armature current on Y-axis. field current on Y-axis and armature current on X-axis. field current on X-axis and power factor on Y-axis. either of these. field current on X-axis and armature current on Y-axis. field current on Y-axis and armature current on X-axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is any of the above zero maximum infinite value any of the above zero maximum infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is cumulative compound. series. shunt. differential compound. cumulative compound. series. shunt. differential compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Conveyers. Centrifugal pumps. Blowers. Air compressors. Conveyers. Centrifugal pumps. Blowers. Air compressors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop induction generator torque. induction motor torque. DC motor torque. synchronous motor torque. induction generator torque. induction motor torque. DC motor torque. synchronous motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 201.02 V. 205 V. 210 V. 212 V. 201.02 V. 205 V. 210 V. 212 V. ANSWER DOWNLOAD EXAMIANS APP
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