Electrical Machines Hunting in a synchronous cannot be due to windage friction. variable frequency. variable supply voltage. variable load. windage friction. variable frequency. variable supply voltage. variable load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in squirrel cage induction motor. dc shunt motor. slip ring induction motor. synchronous motor. squirrel cage induction motor. dc shunt motor. slip ring induction motor. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? None of these exactly opposite same either of these None of these exactly opposite same either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for constant speed operation. none of these. high starting torque operation. low starting torque operation. constant speed operation. none of these. high starting torque operation. low starting torque operation. 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 demanding less armature current. increase in speed demanding more armature current. decrease in speed but armature current remains the same. increase in speed but armature currnet remains the same. decrease in speed demanding less armature current. increase in speed demanding more armature current. decrease in speed but armature current remains the same. ANSWER DOWNLOAD EXAMIANS APP
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