Electrical Machines The fall in speed of the DC generator due to increase in load can be corrected by cooling the armature. increasing the excitation. increasing the input to the prime mover. reducing the load voltage. cooling the armature. increasing the excitation. increasing the input to the prime mover. reducing the load voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to reduce hunting improve starting torque improve the power factor All of these reduce hunting improve starting torque improve the power factor All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Field. Armature. Motor frame. Coupling mounted on the shaft. Field. Armature. Motor frame. Coupling mounted on the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.5. 1.0. 0.1. 0.05. 0.5. 1.0. 0.1. 0.05. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 30°. 60°. 120°. 90°. 30°. 60°. 120°. 90°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be 540 rpm. 240 rpm. 450 rpm. 470 rpm. 540 rpm. 240 rpm. 450 rpm. 470 rpm. ANSWER DOWNLOAD EXAMIANS APP
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