Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Hydrogen. Water. Liquid. Air. Hydrogen. Water. Liquid. Air. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Cost of electrical energy per KWh is to be minimum both 1 and 2 Rated voltage and frequency has to be supplied to the consumers nether 1 nor 2 Cost of electrical energy per KWh is to be minimum both 1 and 2 Rated voltage and frequency has to be supplied to the consumers nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on RI. switching voltage. lightning voltage. corona. RI. switching voltage. lightning voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The power factor is unity The line is fully loaded The line is lightly loaded The line is heavily loaded The power factor is unity The line is fully loaded The line is lightly loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 800 Ω 0 Ω 400 Ω 200 Ω 800 Ω 0 Ω 400 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP