Electrical Machines For very sensitive and wide speed control, the preferable control method is Field control. Ward-Leonard control. Armature control. Multiple voltage control. Field control. Ward-Leonard control. Armature control. Multiple voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is none of these. reversed. increased. modified. none of these. reversed. increased. modified. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise temperature rise hysteresis loss eddy-current loss mechanical loss temperature rise hysteresis loss eddy-current loss mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL − NfL. (NfL − NnL)/NnL. NnL/NfL. (NnL − NfL)/NfL. NnL − NfL. (NfL − NnL)/NnL. NnL/NfL. (NnL − NfL)/NfL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = P/2*ωm ωe = P*ωm ωe = ωm ωe = 2/P*ωm ωe = P/2*ωm ωe = P*ωm ωe = ωm ωe = 2/P*ωm ANSWER DOWNLOAD EXAMIANS APP
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