Electrical Machines A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is 123.3 KVA 100 KVA 50 KVA 83.33 KVA 123.3 KVA 100 KVA 50 KVA 83.33 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC shunt motor if load is reduced The speed will increase in proportion to reduction in load. The speed will increase abruptly. DC Shunt Motor The speed will remains almost constant. The speed will increase in proportion to reduction in load. The speed will increase abruptly. DC Shunt Motor The speed will remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is sinusoidal. pulsating. flat topped. triangular. sinusoidal. pulsating. flat topped. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? 3-phase induction motor both 1 and 2 None of these 1-phase induction motor 3-phase induction motor both 1 and 2 None of these 1-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The oscillation in a synchronous motor can be damped out by providing damper bars in the rotor pole faces. running the motor on leading power factors. maintaining constant excitation. oscillation cannot be damped. providing damper bars in the rotor pole faces. running the motor on leading power factors. maintaining constant excitation. oscillation cannot be damped. ANSWER DOWNLOAD EXAMIANS APP
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