Electrical Machines A 230 V, 50 Hz, 4 pole single phase induction motor is rotating in the clockwise ( forward ) direction at a speed of 1425 rpm. If the rotor resistance at standstill is 7.8 Ω. Then the effective rotor resistance in the backward branch of the equivalent circuit will be 2 Ω. 10 Ω. 4 Ω. 8 Ω. 2 Ω. 10 Ω. 4 Ω. 8 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for series motors. compound motors. shunt motors. All of these series motors. compound motors. shunt motors. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a differentially compounded motor in the opposite direction differentially compounded motor in the same direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction differentially compounded motor in the opposite direction differentially compounded motor in the same direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are mechanically linked. conductively linked. electrically linked. inductively linked. mechanically linked. conductively linked. electrically linked. inductively linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3 - Φ, 4 pole, 50 Hz IM rotating at full load speed of 1440 rpm, calculate speed of rotor field with respect to rotor structure and stator structure respectively? 60, 1440. 1440, 1500. 60, 1500. 50, 1500. 60, 1440. 1440, 1500. 60, 1500. 50, 1500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Rotor current. Line voltage. Running torque. Slip. Rotor current. Line voltage. Running torque. Slip. ANSWER DOWNLOAD EXAMIANS APP
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