Electrical Machines Flux density under leading pole tips in case of generator will None of these either increase or decrease increase decrease None of these either increase or decrease increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC shunt motor if load is reduced DC Shunt Motor The speed will increase in proportion to reduction in load. The speed will remains almost constant. The speed will increase abruptly. DC Shunt Motor The speed will increase in proportion to reduction in load. The speed will remains almost constant. The speed will increase abruptly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is true for an AC synchronous motor? It is a constant speed motor. It is a high reluctance motor. It is a variable speed motor. It is a step angled motor. It is a constant speed motor. It is a high reluctance motor. It is a variable speed motor. It is a step angled motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory parallel operation of two transformers which of the following conditions is most essential, voltage ratio of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. polarities of all transformers must be same. percentage impedance of all transformers must be same. voltage ratio of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. polarities of all transformers must be same. percentage impedance of all transformers must be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 0 infinite value 1 finite value 0 infinite value 1 finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power for core loss and windage and friction loss. for core loss and copper loss. only for the small copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. for core loss and copper loss. only for the small copper loss. for copper loss and windage friction loss. ANSWER DOWNLOAD EXAMIANS APP
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