Electrical Machines Which type of motors are preferred in lifts? DC shunt motors. DC series motors. DC compound motors. None of these DC shunt motors. DC series motors. DC compound motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 112.5 W 50 W 75 W 168.75 W 112.5 W 50 W 75 W 168.75 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? All of these open slot----- leakage flux is less semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high All of these open slot----- leakage flux is less semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop DC motor torque. synchronous motor torque. induction motor torque. induction generator torque. DC motor torque. synchronous motor torque. induction motor torque. induction generator torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for none. larger bore diameter. larger output. both. none. larger bore diameter. larger output. both. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 8 KW. 2 KW. 0. 10 KW. 8 KW. 2 KW. 0. 10 KW. ANSWER DOWNLOAD EXAMIANS APP
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