Power Systems Mho relay is used for protection of none of these. medium lines. long lines. short lines. none of these. medium lines. long lines. short lines. 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? 1 F 0.5 F 4 F 2 F 1 F 0.5 F 4 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is infinity zero any of the above maximum infinity zero any of the above maximum ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? either of these squirrel cage rotor cylindrical rotor salient pole rotor either of these squirrel cage rotor cylindrical rotor salient pole rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 5 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. 3 × 106 kWh. 5 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. 3 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Pulversing unit. Condenser. Ash handling unit. Cooling tower. Pulversing unit. Condenser. Ash handling unit. Cooling tower. ANSWER DOWNLOAD EXAMIANS APP
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