Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S 1-S 1/(1-S) S 1/S 1-S 1/(1-S) S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator one has a terminal voltage of 280 V on no load and 240 V when supplying 40 A current. Similarly the second generator has a voltage of 300 V when on no load and 240 V when supplying of 50 A of current. The output voltage of each generator will be 271.7 V. 256.4 V. 240 V. 238.2 V. 271.7 V. 256.4 V. 240 V. 238.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? Field flux. All of these. Applied voltage. Armature current. Field flux. All of these. Applied voltage. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects voltage but not the torque both the torque and voltage neither the voltage nor the torque torque but not the voltage voltage but not the torque both the torque and voltage neither the voltage nor the torque torque but not the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 0KVA 4KVA 20KVA 16KVA 0KVA 4KVA 20KVA 16KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. any of these. vibrations. over excitation. heating. any of these. vibrations. over excitation. ANSWER DOWNLOAD EXAMIANS APP