Electrical Machines Voltage regulation can be determined by which of the following? MMf method. ZPF method. All of these Synchronous impedance method. MMf method. ZPF method. All of these Synchronous impedance method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Shaft torque. Core loss component. Synchronous speed. Rotor speed. Shaft torque. Core loss component. Synchronous speed. Rotor speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will not run. burn. run at normal speed. run at lower speed. not run. burn. run at normal speed. run at lower speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A small air gap in poly phase induction motor helps to reduce chance of cogging. reduce chance of crawling. increase starting torque. reduce magnetizing current. reduce chance of cogging. reduce chance of crawling. increase starting torque. reduce magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The breakdown torque of a synchronous motor varies as applied voltage V 1/V V² 1/V² applied voltage V 1/V V² 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be same. such that actual impedance of all transformers would be same. proportionate to MVA rating of transformers. inversely proportional to MVA rating of transformers. same. such that actual impedance of all transformers would be same. proportionate to MVA rating of transformers. inversely proportional to MVA rating of transformers. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS