Power Systems Oxide film arrestor has which of the following properties? It is expensive. Does not require daily charging. Both A and B. Installed at points of transmission line where daily visit is difficult. It is expensive. Does not require daily charging. Both A and B. Installed at points of transmission line where daily visit is difficult. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through MHD generator. Both A and C. Thermal converters. Fuel or solar cell. MHD generator. Both A and C. Thermal converters. Fuel or solar cell. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant Any of above. Heavy water. CO2. Helium. Any of above. Heavy water. CO2. Helium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from external lightning protection of equipment from open circuits All of these protection of equipment from short circuits protection of equipment from external lightning protection of equipment from open circuits All of these protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of medium lines. long lines. none of these. short lines. medium lines. long lines. none of these. short lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 1 and 3 pu 2 and 5 pu 2 and 2 pu 3 and 1 pu 1 and 3 pu 2 and 5 pu 2 and 2 pu 3 and 1 pu ANSWER DOWNLOAD EXAMIANS APP