Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. 0o. less than 90o. Greater than 90o. 90o. 0o. less than 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant power control constant current control constant voltage control constant torque control constant power control constant current control constant voltage control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The external resistance to be added in the armature circuit to limit the armature current to 125% of its rated value is 31.1 Ω 15.9 Ω 15.1 Ω 31.9 Ω 31.1 Ω 15.9 Ω 15.1 Ω 31.9 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The effect of ------------------ on main field flux is armature reaction? armature mmf armature current All of these armature flux armature mmf armature current All of these armature flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 5 / 6. 6 / 7. 4 / 5. 2 / 3. 5 / 6. 6 / 7. 4 / 5. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an series motor. cummulative compound motor. AC synchronous motor. shunt motor. series motor. cummulative compound motor. AC synchronous motor. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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