Power Systems Which of the following power stations is mainly used to cover peak load on the system? gas based thermal power plant pumped storage hydro power plant nuclear plant coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant coal based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in lignite coal. coal gas. anthracite coal. bituminous coal. lignite coal. coal gas. anthracite coal. bituminous coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling collect ash particals improving thermal efficiency All of these cooling collect ash particals improving thermal efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 33 to 50 kV 31.35 to 34.65 kV any voltage above 33 kV 25 to 35 kV 33 to 50 kV 31.35 to 34.65 kV any voltage above 33 kV 25 to 35 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° ℧. Find Charging current under no load? 1.144∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 0.344∠90° A/phase 1.144∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 0.344∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
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