Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 800 Ω 400 Ω 160 Ω 200 Ω 800 Ω 400 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. ash handling point. air preheater. economizer. superheater. ash handling point. air preheater. economizer. superheater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criterion gives the information regarding absolute stability stability region relative stability swing curves absolute stability stability region relative stability swing curves ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are It has units for all quantities No units for any quantity All of these Need of transformation ratio It has units for all quantities No units for any quantity All of these Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 19.60 kW 4.45 kW 9.81 kW 2.90 kW 19.60 kW 4.45 kW 9.81 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP