Electrical Machines In a DC machine, the angle between the stator and rotor fields is 0o. 90o. 180o. dependent upon the load. 0o. 90o. 180o. dependent upon the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the motor may run away. the starting current will be enormously high. the starting torque becomes low. the motor may not start. the motor may run away. the starting current will be enormously high. the starting torque becomes low. the motor may not start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 4 ang 1 2 and 1 4 and 2 2 and 2 4 ang 1 2 and 1 4 and 2 2 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in traction cranes food processing All of these traction cranes food processing All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings are used in DC generators to provide path for the circulation of cooling air. to neutralize the cross magnetizing effect of the armature reaction. None of these mainly to reduce the eddy currents by providing local short circuit. to provide path for the circulation of cooling air. to neutralize the cross magnetizing effect of the armature reaction. None of these mainly to reduce the eddy currents by providing local short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with main poles series with armature series with main poles parallel with armature parallel with main poles series with armature series with main poles parallel with armature ANSWER DOWNLOAD EXAMIANS APP
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