Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 400 MVA 125 MVA 500 MVA 100 MVA 400 MVA 125 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to All of these prevent the reactor wall from getting heated. protected the operating personal from exposure to radiations. absorb the fast neutron. All of these prevent the reactor wall from getting heated. protected the operating personal from exposure to radiations. absorb the fast neutron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 200 Amp. 250 Amp. 300 Amp. 350 Amp. 200 Amp. 250 Amp. 300 Amp. 350 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 6 8 5 2 6 8 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1.5 cm 15 cm 1 cm 5 cm 1.5 cm 15 cm 1 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of long transmission lines. short length lines. medium length lines. no length criterion. long transmission lines. short length lines. medium length lines. no length criterion. ANSWER DOWNLOAD EXAMIANS APP
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