Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 90% 75% 50% 86%% 90% 75% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in height of conductors above ground both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance increase in height of conductors above ground both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to any voltage level 120 kV 33 kV 11 kV any voltage level 120 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Type of CB. Capacitance of the system. Inductance of the system. Inductance and capacitance of the system. Type of CB. Capacitance of the system. Inductance of the system. Inductance and capacitance of the system. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 23.33 mH. 23.8 mH. 21.2 mH. 25.8 mH. 23.33 mH. 23.8 mH. 21.2 mH. 25.8 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor both B and C. use CO2. or helium as coolant and graphite the moderator. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use heavy water as coolant as well as moderator. both B and C. use CO2. or helium as coolant and graphite the moderator. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use heavy water as coolant as well as moderator. ANSWER DOWNLOAD EXAMIANS APP
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