Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over current relay Buchholz relay Over fluxing relay Differential relay Over current relay Buchholz relay Over fluxing relay Differential relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are Need of transformation ratio It has units for all quantities All of these No units for any quantity Need of transformation ratio It has units for all quantities All of these No units for any quantity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines fault current increases both 1 and 3 stability increases fault current reduces fault current increases both 1 and 3 stability increases fault current reduces ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 3 - 6. 16 - 24. 12 - 16. 1 - 2. 3 - 6. 16 - 24. 12 - 16. 1 - 2. 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 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation series capacitor generation excitation control shunt capacitor All of these series capacitor generation excitation control shunt capacitor All of these ANSWER DOWNLOAD EXAMIANS APP
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