Power Systems Which of the following plants has the maximum eapital cost Nuclear plants. Diesel plants. Steam plants. Hydro-plants. Nuclear plants. Diesel plants. Steam plants. Hydro-plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the switch voltage. corona. R × I. the lighting voltage. the switch voltage. corona. R × I. the lighting voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Inversely proportional to its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to its length. Directly proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 10 MJ 5 MJ 50 MJ 500 MJ 10 MJ 5 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.1 mH/Km 0.05 mH/Km 0 mH/Km 0.025 mH/Km 0.1 mH/Km 0.05 mH/Km 0 mH/Km 0.025 mH/Km 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 4.28 pu 2.5 pu 7.25 pu 3.75 pu 4.28 pu 2.5 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP