Electrical Machines What does happen if tripled harmonics given to induction motor? Will results in open circuit. Fail to start. Nothing will happen. Will results in short circuit. Will results in open circuit. Fail to start. Nothing will happen. Will results in short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where power factor is less. low starting torque. less costly motor is not required. high starting torque. power factor is less. low starting torque. less costly motor is not required. high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : For a level compounded dc generator to run at constant voltage, the series field mmf must effectively compensate 1. armature reaction mmf 2.armature resistance drop 3. brush contact voltage drop Which of these statements is/are correct ? 1 and 2 2 alone 1 and 3 1, 2 and 3 1 and 2 2 alone 1 and 3 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam may or may not be exactly equal to people pitch. must be exactly equal to people pitch. none of above. can never be equal to pole pitch. may or may not be exactly equal to people pitch. must be exactly equal to people pitch. none of above. can never be equal to pole pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to space harmonics produced by winding currents. slip ring rotor. time harmonics in supply. insufficient starting torque. space harmonics produced by winding currents. slip ring rotor. time harmonics in supply. insufficient starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability salient pole motor cylindrical motor both motors has same stability None of these salient pole motor cylindrical motor both motors has same stability None of these ANSWER DOWNLOAD EXAMIANS APP
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