Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S S 1/(1-S) 1/S 1-S S 1/(1-S) 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator core loss All of these Stator copper loss Rotational loss Stator core loss All of these Stator copper loss Rotational loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance, leakage reactance and armature reaction. armature resistance and leakage reactance. armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance, leakage reactance and armature reaction. armature resistance and leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 440 A. 570 A. 340 A. 250 A. 440 A. 570 A. 340 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ slip ring motor has any of the above. short-circuited rotor. wound rotor. double cage rotor. any of the above. short-circuited rotor. wound rotor. double cage rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? All of these In order to not to get saturated. In order to get saturated. In order to get more flux. All of these In order to not to get saturated. In order to get saturated. In order to get more flux. ANSWER DOWNLOAD EXAMIANS APP