Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be 230 V somewhat more than 230 V 6 V somewhat less than 230 V 230 V somewhat more than 230 V 6 V somewhat less than 230 V 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 7%. 14%. 0%. 8.9%. 7%. 14%. 0%. 8.9%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? any of the above no load full load half load any of the above no load full load half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to P² Power P 1/P² 1/P P² Power P 1/P² 1/P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 36° 72° 18° 30° 36° 72° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. starting torque. maximum torque. none. electromagnetic torque. starting torque. maximum torque. none. ANSWER DOWNLOAD EXAMIANS APP