Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.2 pu, Zm =0.7 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 40 km 80 km any of the above 150 km 40 km 80 km any of the above 150 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors in EHV transmission lines increase inductance increase capacitance decrease capacitance decrease inducatance increase inductance increase capacitance decrease capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of same in both cases over head lines power cables None of these same in both cases over head lines power cables None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant All of these used as load frequency control operating time is minimum most economical as a peak load supply plant All of these used as load frequency control operating time is minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion the load factor should be high but diversity factor should be low the load factor and diversity factor should be low The load factor and diversity factor should be high 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 low The load factor and diversity factor should be high the load factor should be low but diversity factor should be high ANSWER DOWNLOAD EXAMIANS APP
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