Power Systems A thermal protection switch is used to provide protection against over voltage. temperature. short circuit. overload. over voltage. temperature. short circuit. overload. ANSWER DOWNLOAD EXAMIANS APP
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. 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of medium length lines. no length criterion. long transmission lines. short length lines. medium length lines. no length criterion. long transmission lines. short length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Both A and C. Fuel or solar cell. Thermal converters. MHD generator. Both A and C. Fuel or solar cell. Thermal converters. MHD generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? V and δ P and Q Q and V P and V V and δ P and Q Q and V P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 1.47 msec 9.68 2.63 msec 4.68 msec 1.47 msec 9.68 2.63 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP