Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 2 mm. 4 mm. 0.4 mm. 0.2 mm. 2 mm. 4 mm. 0.4 mm. 0.2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 50% 86%% 90% 75% 50% 86%% 90% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Kaplan turbine. None of above. Pelton turbine. Francis turbine. Kaplan turbine. None of above. Pelton turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in All of these reduction of KVA rating of distribution transformers improved voltage regulation reduction in distribution power loss All of these reduction of KVA rating of distribution transformers improved voltage regulation reduction in distribution power loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine inward radial flow impulsive axial flow any of the above inward radial flow impulsive axial flow any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in neither increasing nor decreasing order. the decreasing order. the increasing order. None of these neither increasing nor decreasing order. the decreasing order. the increasing order. None of these ANSWER DOWNLOAD EXAMIANS APP
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