Electrical Machines No load test of 3-phase induction motor gives which of the following? variable loss both A and B constant loss None of these variable loss both A and B constant loss None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to dissipate more heat. reduce pulsation loss. reduce armature reaction. reduce iron weight. dissipate more heat. reduce pulsation loss. reduce armature reaction. reduce iron weight. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for insulating. both cooling and insulation. lubrication. cooling. insulating. both cooling and insulation. lubrication. cooling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand bending moment due to weight of the armature. twisting strains due to transmission of torque. All of these any unbalanced magnetic pull on the armature core. bending moment due to weight of the armature. twisting strains due to transmission of torque. All of these any unbalanced magnetic pull on the armature core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to 1/P² 1/P Power P P² 1/P² 1/P Power P P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 625 W 650 W 700 W 600 W 625 W 650 W 700 W 600 W ANSWER DOWNLOAD EXAMIANS APP
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