Power Systems For load flow studies, What are the quantities specified at load bus are P and V V and δ δ and Q P and Q P and V V and δ δ and Q P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are used as load frequency control most economical as a peak load supply plant operating time is minimum All of these used as load frequency control most economical as a peak load supply plant operating time is minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. both B and C. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? distribution transformer capacitor voltage transformer All of these auto transformer distribution transformer capacitor voltage transformer All of these auto transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to All of these increase the sag reduce the vibrations at the point of support reduce the tension All of these increase the sag reduce the vibrations at the point of support reduce the tension ANSWER DOWNLOAD EXAMIANS APP
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