Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. None of these. Both A and C. Breaking speed. Critical length of breaking. None of these. Both A and C. Breaking speed. 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? 1000 Ω 1500 Ω 3000 Ω 750 Ω 1000 Ω 1500 Ω 3000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in minimum oil breakers. all breakers. air blast circuit breaker. bulk oil breakers. minimum oil breakers. all breakers. air blast circuit breaker. bulk oil breakers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? horizontal configuration None of these triangular configuration same in both configuration horizontal configuration None of these triangular configuration same in both configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5.353 pu 3.535 pu 5 pu 7 pu 5.353 pu 3.535 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
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