Electrical Machines The change in speed of a DC generator due to increased load is corrected by increasing armature cooling. increasing input power of the prime mover. increasing armature resistance. increasing terminal voltage. increasing armature cooling. increasing input power of the prime mover. increasing armature resistance. increasing terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce eddy current loss. copper loss. friction and windage loss. hysteresis loss. eddy current loss. copper loss. friction and windage loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is armature is not present in DC generator. None of these AC. DC. armature is not present in DC generator. None of these AC. DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 1 infinite value finite value 0 1 infinite value finite value 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 0%. 7%. 14%. 8.9%. 0%. 7%. 14%. 8.9%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in a sub – station there is one 132 / 33 kV transformer whose secondary is connected with primary of one 33 / 11 kV transformer, the total transformation ratio of the sub – station will be, 12. 4. 3. 7. 12. 4. 3. 7. ANSWER DOWNLOAD EXAMIANS APP
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