Electrical Machines A small air gap in poly phase induction motor helps to reduce magnetizing current. increase starting torque. reduce chance of crawling. reduce chance of cogging. reduce magnetizing current. increase starting torque. reduce chance of crawling. reduce chance of cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of oil in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of oil in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Any of above. Field resistance control. Armature voltage control. Armature circuit resistance control. Any of above. Field resistance control. Armature voltage control. Armature circuit resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Armature. Motor frame. Coupling mounted on the shaft. Field. Armature. Motor frame. Coupling mounted on the shaft. Field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type short - shunt generator. shunt generator. level compound. series generator. short - shunt generator. shunt generator. level compound. series generator. ANSWER DOWNLOAD EXAMIANS APP
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