Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.5 0 leading unity 0.707 leading 0.5 0 leading unity 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is porcelain glass mica All of these porcelain glass mica All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLL LL LG LLG LLL LL LG LLG 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 fluxing relay Over current relay Buchholz relay Differential relay Over fluxing relay Over current relay Buchholz relay Differential relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is 3×IR0 × Xn both 1 and 3 IN × Xn IR0 × Xn 3×IR0 × Xn both 1 and 3 IN × Xn IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Pulversing unit. Ash handling unit. Cooling tower. Condenser. Pulversing unit. Ash handling unit. Cooling tower. Condenser. ANSWER DOWNLOAD EXAMIANS APP
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