Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 125 MVA 400 MVA 500 MVA 100 MVA 125 MVA 400 MVA 500 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine impulsive inward radial flow axial flow any of the above impulsive inward radial flow axial flow any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. star / grounded star. delta / delta. ground star / delta. delta / star. star / grounded star. delta / delta. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Applicable for large power system network Time taken for each iteration is less Number of iterations are less both 1 and 2 Applicable for large power system network Time taken for each iteration is less Number of iterations are less both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Asynchronous tie line is a DC transmission line None of these AC transmission line either 1 or 2 DC transmission line None of these AC transmission line either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 2 pu 2 and 5 pu 3 and 1 pu 1 and 3 pu 2 and 2 pu 2 and 5 pu 3 and 1 pu 1 and 3 pu ANSWER DOWNLOAD EXAMIANS APP