Electrical Machines In case of IM the torque is directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake None of these both 1 and 2 reversing drive non reversing drive None of these both 1 and 2 reversing drive non reversing drive ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be inversely proportional to MVA rating of transformers. proportionate to MVA rating of transformers. same. such that actual impedance of all transformers would be same. inversely proportional to MVA rating of transformers. proportionate to MVA rating of transformers. same. such that actual impedance of all transformers would be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? commutation reduces the terminal voltage both 2 and 3 reduction in main field flux commutation reduces the terminal voltage both 2 and 3 reduction in main field flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor None of these will remain the same will become leading will become lagging None of these will remain the same will become leading will become lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between None of these magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. None of these magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. ANSWER DOWNLOAD EXAMIANS APP
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