Electrical Machines In DC generator, brushes are always placed along magnetic neutral axis. geometrical neutral axis. armature axis. load axis. magnetic neutral axis. geometrical neutral axis. armature axis. load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of supply voltage and field current at constant excitation power factor and dc excitation at constant load power factor and supply voltage during hunting All of these supply voltage and field current at constant excitation power factor and dc excitation at constant load power factor and supply voltage during hunting All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? DC series motor. Shunt motor. Synchronous motor. Separately compound motor. DC series motor. Shunt motor. Synchronous motor. Separately compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of transformer with secondary short circuited. synchronous motor. repulsion start induction motor. capacitor start induction motor. transformer with secondary short circuited. synchronous motor. repulsion start induction motor. capacitor start induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means neutralization of residual magnetism. None of these creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. neutralization of residual magnetism. None of these creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 240 V 140 V 175 V 120 V 240 V 140 V 175 V 120 V ANSWER DOWNLOAD EXAMIANS APP
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