Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? Corona loss is very much reduced in the dc line HVDC can utilize earth for its return path There is no skin effect in dc line All of these Corona loss is very much reduced in the dc line HVDC can utilize earth for its return path There is no skin effect in dc line All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to reduce loss of heat. utilize heat of flue gases. improve condenser performance. increase thermal efficiency. reduce loss of heat. utilize heat of flue gases. improve condenser performance. increase thermal efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 33.33% 25% 66.66% 75% 33.33% 25% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion The load factor and diversity factor should be high the load factor and diversity factor should be low the load factor should be low but diversity factor should be high the load factor should be high but diversity factor should be low The load factor and diversity factor should be high the load factor and diversity factor should be low the load factor should be low but diversity factor should be high the load factor should be high but diversity factor should be low ANSWER DOWNLOAD EXAMIANS APP
Power Systems One atomic mass unit is equivalent to 120.4 MeV. 180.5 MeV. 251.2 MeV. 931.4 MeV. 120.4 MeV. 180.5 MeV. 251.2 MeV. 931.4 MeV. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS