Power Systems India’s largest thermal power station is located at Chandrapur. Neyveli. Sarni. Kota. Chandrapur. Neyveli. Sarni. Kota. 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-Y connection Y-Y connection Y-Δ connection Δ-Δ connection Δ-Y connection Y-Y connection Y-Δ connection Δ-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.92 -0.56 -0.92 0.56 0.92 -0.56 -0.92 0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 11 kV. Up to 66 kV. Up to 12 kV. Up to 33 kV. Up to 11 kV. Up to 66 kV. Up to 12 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively decrease and increase. increase and decrease. decrease and remain unaffected. increase and remain unaffected. decrease and increase. increase and decrease. decrease and remain unaffected. increase and remain unaffected. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively decreases and decreases increases and decreases decreases and increases increases and increases decreases and decreases increases and decreases decreases and increases increases and increases ANSWER DOWNLOAD EXAMIANS APP