Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 50Hz 2HZ 2.5Hz 1 Hz 50Hz 2HZ 2.5Hz 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slot wedges in a dc machine is made up of fibre. silicon steel. cast iron. mild steel. fibre. silicon steel. cast iron. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque angle of a synchorous machine operating from a constant voltage bus is usually defined as the space angle between Stator mmf wave and resultant flux density. Rotor mmf wave and stator mmf wave. Stator mmf wave and resultant mmf wave. Rotor mmf wave and resultant flux density wave. Stator mmf wave and resultant flux density. Rotor mmf wave and stator mmf wave. Stator mmf wave and resultant mmf wave. Rotor mmf wave and resultant flux density wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? AC single phase motor. DC Shunt Motor Induction motor. Synchronous motor. AC single phase motor. DC Shunt Motor Induction motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? core loss only both 1 and 2 Copper loss windage and friction loss core loss only both 1 and 2 Copper loss windage and friction loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage across the open circuited field termninals of a synchorous machine under slip test is AC of supply frequency. A modulated supply frequency AC voltage with slip frequency envelop. DC. DC of slip frequency. AC of supply frequency. A modulated supply frequency AC voltage with slip frequency envelop. DC. DC of slip frequency. ANSWER DOWNLOAD EXAMIANS APP