Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 160 Ω 800 Ω 400 Ω 200 Ω 160 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching air blast. oil. vacuum. SF6. air blast. oil. vacuum. SF6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IR0 × Xn both 1 and 3 IN × Xn 3×IR0 × Xn IR0 × Xn both 1 and 3 IN × Xn 3×IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0 leading unity 0.5 0.707 leading 0 leading unity 0.5 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using LP steam. direct heat in the furnace. flue gas. HP steam. LP steam. direct heat in the furnace. flue gas. HP steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 3.75 pu 7.25 pu 4.28 pu 2.5 pu 3.75 pu 7.25 pu 4.28 pu 2.5 pu ANSWER DOWNLOAD EXAMIANS APP
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