Electrical Machines Which of the following induction motor has maximum speed? 6 pole. 8 pole. 2 pole. 4 pole. 6 pole. 8 pole. 2 pole. 4 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The volt-ampere euation for a long-shunt compound motor is given by Vt = Ea + Iara+ ILrs Vt= Ea + Iara Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs Vt= Ea + Iara Vt= Ea– Iara Vt = Ea + Ia(ra + rs) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 30 V. 60 V. 40 V. 90 V. 30 V. 60 V. 40 V. 90 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Periodic variation of load. Over-loading for long period. Small and constant load. Over-excitation. Periodic variation of load. Over-loading for long period. Small and constant load. Over-excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as rectifier. prime mover. power pump. rotating amplifier. rectifier. prime mover. power pump. rotating amplifier. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in All of these traction food processing computer printers All of these traction food processing computer printers ANSWER DOWNLOAD EXAMIANS APP