Electrical Machines A single-winding single-phase motor has starting torque equal to full-load torque. low starting torque. high starting torque. zero starting torque. starting torque equal to full-load torque. low starting torque. high starting torque. zero starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a cumulative compounded motor in the same direction differentially compounded motor in the same direction differentially compounded motor in the opposite direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction differentially compounded motor in the same direction differentially compounded motor in the opposite direction cumulative compounded motor in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is shunt. differential compound. series. cumulative compound. shunt. differential compound. series. cumulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL − NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL/NfL. NnL − NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL/NfL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? None of these (1-K) × input power K × input power both A and B None of these (1-K) × input power K × input power both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The demagnetising component of armature reaction in a DC generator increases armature speed. reduces generator emf. results in sparking trouble. reduces inter poles flux density. increases armature speed. reduces generator emf. results in sparking trouble. reduces inter poles flux density. ANSWER DOWNLOAD EXAMIANS APP
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