Power Systems Which of following materials can be used as coolant CO2. Helium. Any of above. Heavy water. CO2. Helium. Any of above. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased All of these Transmission line losses are reduced Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased All of these Transmission line losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' < X X" < X' > X X" > X' >X X" < X' < X X" > X' < X X" < X' > X X" > X' >X X" < X' < X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over current relay Differential relay Over fluxing relay Buchholz relay Over current relay Differential relay Over fluxing relay Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 0.8 pu 0.4 pu 1 pu 0.5 pu 0.8 pu 0.4 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
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