Power Systems If skin depth is more, then skin effect is either 1 or 2 more less None of these either 1 or 2 more less None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers collect ash particals cooling improving thermal efficiency All of these collect ash particals cooling improving thermal efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction of KVA rating of distribution transformers reduction in distribution power loss All of these improved voltage regulation reduction of KVA rating of distribution transformers reduction in distribution power loss All of these improved voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the corona loss voltage drop across the line surge impedance of the line copper loss corona loss voltage drop across the line surge impedance of the line copper loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 2.4 pu 1.375 pu 0.2 pu 3.975 pu 2.4 pu 1.375 pu 0.2 pu 3.975 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 4.68 msec 9.68 msec 2.63 msec 1.47 msec 4.68 msec 9.68 msec 2.63 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
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