Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Shunt motor. Series motor. Differential compound motor. Cumulative compound motor. Shunt motor. Series motor. Differential compound motor. Cumulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator one has a terminal voltage of 280 V on no load and 240 V when supplying 40 A current. Similarly the second generator has a voltage of 300 V when on no load and 240 V when supplying of 50 A of current. The output voltage of each generator will be 256.4 V. 240 V. 238.2 V. 271.7 V. 256.4 V. 240 V. 238.2 V. 271.7 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage across the open circuited field termninals of a synchorous machine under slip test is DC. AC of supply frequency. A modulated supply frequency AC voltage with slip frequency envelop. DC of slip frequency. DC. AC of supply frequency. A modulated supply frequency AC voltage with slip frequency envelop. DC of slip frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to filter the transformer oil. absorb moisture from air entering in transformer. absorb moisture of air during breathing. provide cold air in transformer. filter the transformer oil. absorb moisture from air entering in transformer. absorb moisture of air during breathing. provide cold air in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by rubber insulation. cotton insulation. wooden insulation. paper insulation. rubber insulation. cotton insulation. wooden insulation. paper insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Quadrature axis synchronous reactance is the ratio of Vmin to Imax. Vmax to Imax. Vmin to Imin. Vmax to Imin. Vmin to Imax. Vmax to Imax. Vmin to Imin. Vmax to Imin. ANSWER DOWNLOAD EXAMIANS APP
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