Power Systems Isolator in sub station is open under ------------- condition? no load full load any of the above short circuit no load full load any of the above short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 50 kA. 35 kA. 45 kA. 55 kA. 50 kA. 35 kA. 45 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where do compounding done in thermal power plants Coal handling plant. Turbine. Ash handling plant. Generator. Coal handling plant. Turbine. Ash handling plant. Generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? calculation time is less All of these only one equation is required memory required is less calculation time is less All of these only one equation is required memory required is less ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
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