Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H2/3. none of these. N√( P ) / H1.25. P√( N ) / H3/2. N√( P ) / H2/3. none of these. N√( P ) / H1.25. P√( N ) / H3/2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 800 Ω 400 Ω 0 Ω 200 Ω 800 Ω 400 Ω 0 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. sodium as moderator and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criteria is used for absolute stability of the system relative stability of the system either 1 or 2 nether 1 nor 2 absolute stability of the system relative stability of the system either 1 or 2 nether 1 nor 2 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? 750 Ω 1000 Ω 1500 Ω 3000 Ω 750 Ω 1000 Ω 1500 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of excitation All of these Failure of prime mover of the generator Over voltage Failure of excitation All of these Failure of prime mover of the generator Over voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS