Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. Both A and C. None of these. Breaking speed. Critical length of breaking. Both A and C. None of these. Breaking speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? lightning arrester current transformer circuit breaker CVT lightning arrester current transformer circuit breaker CVT ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines decrease capacitance increase capacitance decrease inducatance increase inductance decrease capacitance increase capacitance decrease inducatance increase inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 0.5 F 4 F 1 F 2 F 0.5 F 4 F 1 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 35.5° 14.5° 29° 10.5° 35.5° 14.5° 29° 10.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
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