Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 100 1 10 50 100 1 10 50 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? both A and B below rated speed above rated speed None of these both A and B below rated speed above rated speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of the rotor bars of dc motors are laminated to reduce mechanical losses. to provide better flux linkage. to reduce hysteresis loss. to reduce eddy current loss. to reduce mechanical losses. to provide better flux linkage. to reduce hysteresis loss. to reduce eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Limit the flux. Avoid sparking. Limit the speed. Limit the current. Limit the flux. Avoid sparking. Limit the speed. Limit the current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Both 1and 2 Speed of alternators should be same Frequency should be same Terminal voltage is same Both 1and 2 Speed of alternators should be same Frequency should be same Terminal voltage is same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Split phase IM. Capacitor start capacitor run IM. Synchronous motor. Capacitor start IM. Split phase IM. Capacitor start capacitor run IM. Synchronous motor. Capacitor start IM. ANSWER DOWNLOAD EXAMIANS APP
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