Power Systems Power transmission lines are transposed to reduce proximity effect skin effect ferranti effect radio interference proximity effect skin effect ferranti effect radio interference ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 4 MΩ 16 MΩ 32 MΩ 8 MΩ 4 MΩ 16 MΩ 32 MΩ 8 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines Kaplan and Pelton turbine. None of these. Pelton turbine and Francis turbine. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. None of these. Pelton turbine and Francis turbine. Francis turbine and Kaplan turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) n×n (n-2)×(n-2) (n-1)×(n-2) (n-1)×(n-1) n×n (n-2)×(n-2) (n-1)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
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 13 10 21 20 13 10 21 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS