Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-delta delta-star star-delta star-star delta-delta delta-star star-delta star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? None of these electro magnetic induction both 1 and 2 electro static induction None of these electro magnetic induction both 1 and 2 electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are No units for any quantity Need of transformation ratio It has units for all quantities All of these No units for any quantity Need of transformation ratio It has units for all quantities All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all external faults nether 1 nor 2 protection of a transformer against all internal faults both 1 and 2 protection of a transformer against all external faults nether 1 nor 2 protection of a transformer against all internal faults both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase capacitance increase inductance decrease capacitance decrease inducatance increase capacitance increase inductance decrease capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 0.5 F 2 F 1 F 4 F 0.5 F 2 F 1 F 4 F ANSWER DOWNLOAD EXAMIANS APP
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