Power Systems The specific speed ( NS ) of turbine is given by P√( N ) / H3/2. none of these. N√( P ) / H1.25. N√( P ) / H2/3. P√( N ) / H3/2. none of these. N√( P ) / H1.25. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of transformer. none of these. alternator. bus bar. transformer. none of these. alternator. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. ground star / delta. star / grounded star. delta / star. delta / delta. ground star / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 3 - 6. 16 - 24. 1 - 2. 12 - 16. 3 - 6. 16 - 24. 1 - 2. 12 - 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 25 Ω 500 Ω 250 Ω 1000 Ω 25 Ω 500 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance increase. none of above. remains constant. decrease. increase. none of above. remains constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
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