Electrical Machines The speed regulation of a DC motor is given as (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL − NfL. NnL/NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL − NfL. NnL/NfL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying resistance of armature culture. applied voltage. all of these. its flux oer pole. resistance of armature culture. applied voltage. all of these. its flux oer pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The breakdown torque of a synchronous motor varies as 1/V applied voltage V 1/V² V² 1/V applied voltage V 1/V² V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S 1/(1-S) S 1/S 1-S 1/(1-S) S 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for constant speed operation. high starting torque operation. low starting torque operation. none of these. constant speed operation. high starting torque operation. low starting torque operation. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake both 1 and 2 None of these non reversing drive reversing drive both 1 and 2 None of these non reversing drive reversing drive ANSWER DOWNLOAD EXAMIANS APP
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