Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.75 0.5 1 0.25 0.75 0.5 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Plain oil CB. Air break CB. Minimum oil CB. Air blast CB. Plain oil CB. Air break CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? both 1 and 2 shunt reactor series capacitor shunt capacitor both 1 and 2 shunt reactor series capacitor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 8 MJ/MVA 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
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