Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. reduce losses in a transmission line. improve the power factor of the transmission. none of these. connect instruments on the LT side. reduce losses in a transmission line. improve the power factor of the transmission. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? 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. It is expensive. Does not require daily charging. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? pin insulator strain insulator string insulator All of these pin insulator strain insulator string insulator All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Francis. Impeller. Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Hydrogen. Air. Water. Liquid. Hydrogen. Air. Water. Liquid. ANSWER DOWNLOAD EXAMIANS APP
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