Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV 40 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 400 Ω 320 Ω 160 Ω 200 Ω 400 Ω 320 Ω 160 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 10.01 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% -10% -6.92% 10% 6.92% -10% -6.92% 10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. all of above. enriched uranium is used as fuel. the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. all of above. enriched uranium is used as fuel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Steam power plant. Nuclear power plant. Diesel power plant. Hydro power plant. Steam power plant. Nuclear power plant. Diesel power plant. Hydro power plant. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS