Electrical Machines Reactive power generated or delivered significantly depends on load angle. excitation. both 1 and 2. frequency. load angle. excitation. both 1 and 2. frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC compound motor. DC shunt motor with armature resistance control. DC shunt motor with field weakening control. DC series motor. DC compound motor. DC shunt motor with armature resistance control. DC shunt motor with field weakening control. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce pulsation loss. reduce armature reaction. dissipate more heat. reduce iron weight. reduce pulsation loss. reduce armature reaction. dissipate more heat. reduce iron weight. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing diverter resistance of a DC series motor causes increase in speed but armature currnet remains the same. decrease in speed but armature current remains the same. increase in speed demanding more armature current. decrease in speed demanding less armature current. increase in speed but armature currnet remains the same. decrease in speed but armature current remains the same. increase in speed demanding more armature current. decrease in speed demanding less armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region increases with increase in the load torque. remains constant. decreases with increase in the load torque. decreases with decrease in the load torque. increases with increase in the load torque. remains constant. decreases with increase in the load torque. decreases with decrease in the load torque. ANSWER DOWNLOAD EXAMIANS APP
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