Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will improve but terminal voltage will fall. worsen and terminal voltage will fall improve and terminal voltage will rise . worsen and terminal voltage will rise. improve but terminal voltage will fall. worsen and terminal voltage will fall improve and terminal voltage will rise . worsen and terminal voltage will rise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Limit the current. Limit the speed. Avoid sparking. Limit the flux. Limit the current. Limit the speed. Avoid sparking. Limit the flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt motor with field weakening. dc compound motor. dc shunt with armature resistance control. dc series motor. dc shunt motor with field weakening. dc compound motor. dc shunt with armature resistance control. dc series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is not dependent on the slip inversely proportional to slip directly proportional to slip either of these not dependent on the slip inversely proportional to slip directly proportional to slip either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design None of these increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer None of these increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer ANSWER DOWNLOAD EXAMIANS APP
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