Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 10 13 21 20 10 13 21 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying no. of ampere-turns. air gap of magnetic path. none of these. adjustable back up stop. no. of ampere-turns. air gap of magnetic path. none of these. adjustable back up stop. ANSWER DOWNLOAD EXAMIANS APP
Power Systems India’s largest thermal power station is located at Chandrapur. Sarni. Kota. Neyveli. Chandrapur. Sarni. Kota. Neyveli. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in improved voltage regulation reduction of KVA rating of distribution transformers All of these reduction in distribution power loss improved voltage regulation reduction of KVA rating of distribution transformers All of these reduction in distribution power loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Pelton wheel. propeller turbine. Kaplan turbine. Francis turbine. Pelton wheel. propeller turbine. Kaplan turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
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