Electrical Machines Hunting in a synchronous cannot be due to variable supply voltage. windage friction. variable load. variable frequency. variable supply voltage. windage friction. variable load. variable frequency. 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. decrease in speed demanding less armature current. increase in speed demanding more armature current. increase in speed but armature currnet remains the same. decrease in speed but armature current remains the same. decrease in speed demanding less armature current. increase in speed demanding more armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load current in a transformer lags the applied voltage by about 75°. 90°. 0°. about 115°. about 75°. 90°. 0°. about 115°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 500. 0. 2000. 1000. 500. 0. 2000. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC compound motor. DC Shunt motor. DC shunt and level Compound motor. DC series motor. DC compound motor. DC Shunt motor. DC shunt and level Compound motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small to achieve a stronger magnetic field. to avoid over heating. to avoid locking of the armature. All of these to achieve a stronger magnetic field. to avoid over heating. to avoid locking of the armature. All of these ANSWER DOWNLOAD EXAMIANS APP
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