Electrical Machines Direct axis reactance is defined as the ratio of Vmax to Imax Vmin to Imin Vmin to Imax Vmax to Imin Vmax to Imax Vmin to Imin Vmin to Imax Vmax to Imin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to the width more than 3 commutator segment. less than the width of commutator segment. the width of the 1 to 2 commutator segment. the width of the 2 to 3 commutator segment. the width more than 3 commutator segment. less than the width of commutator segment. the width of the 1 to 2 commutator segment. the width of the 2 to 3 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Low. Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by EIa. EbIa. none of these. EbIa2. EIa. EbIa. none of these. EbIa2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Bush bearings. Cast iron bearings. Ball bearings. None of these Bush bearings. Cast iron bearings. Ball bearings. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 1000 rpm 940 rpm 950 rpm 975 rpm 1000 rpm 940 rpm 950 rpm 975 rpm ANSWER DOWNLOAD EXAMIANS APP
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