Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon inductance of the system only resistance of the system only both 1 and 2 capacitance of the system only inductance of the system only resistance of the system only both 1 and 2 capacitance of the system only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 45 %. 35 %. 20 %. 60 %. 45 %. 35 %. 20 %. 60 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR decreases None of these remains unaffected increases decreases None of these remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against over voltage. temperature. short circuit. overload. over voltage. temperature. short circuit. overload. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign ANSWER DOWNLOAD EXAMIANS APP