Electrical Machines Hunting phenomenon is observed in which motor? Induction motor. DC motor. Synchronous motor. Both A and C. Induction motor. DC motor. Synchronous motor. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. two. four. six. three. two. four. six. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? Increase efficiency under light load conditions All of these continuity supply is maintained Increase in reliability Increase efficiency under light load conditions All of these continuity supply is maintained Increase in reliability ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 720 to 920. 375 to 500. 1440 to 2880. 500 to 720. 720 to 920. 375 to 500. 1440 to 2880. 500 to 720. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 36 37 74 72 36 37 74 72 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as (NnL − NfL)/NfL. NnL/NfL. (NfL − NnL)/NnL. NnL − NfL. (NnL − NfL)/NfL. NnL/NfL. (NfL − NnL)/NnL. NnL − NfL. ANSWER DOWNLOAD EXAMIANS APP