Power Systems In relay coil which is used? Potential transformer. Instrument transformer. Power transformer. Current transformer. Potential transformer. Instrument transformer. Power transformer. Current transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the discharge at any time during the period under consideration. the average run off during the period. the maximum and minimum run off during the period. All of these the discharge at any time during the period under consideration. the average run off during the period. the maximum and minimum run off during the period. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-star delta-delta star-delta delta-star star-star delta-delta star-delta delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1.13 1 0.882 0.93 1.13 1 0.882 0.93 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for unity power factor All of these lagging power factor leading power factor unity power factor All of these lagging power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line All of above. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. All of above. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. ANSWER DOWNLOAD EXAMIANS APP
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