Power Systems Which of the following rotor is used in thermal power plants? salient pole rotor squirrel cage rotor either of these cylindrical rotor salient pole rotor squirrel cage rotor either of these cylindrical rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt capacitor both 1 and 2 shunt reactor series capacitor shunt capacitor both 1 and 2 shunt reactor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase inductance decrease inducatance increase capacitance decrease capacitance increase inductance decrease inducatance increase capacitance decrease capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 3000 Ω 1500 Ω 750 Ω 1000 Ω 3000 Ω 1500 Ω 750 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.1 pu 0.2 pu 0.5 pu 0.4 pu 0.1 pu 0.2 pu 0.5 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 200 Ω 800 Ω 160 Ω 400 Ω 200 Ω 800 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
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