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? 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 18 MW 10 MW 9 MW 5 MW 18 MW 10 MW 9 MW 5 MW 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 4.68 msec 2.63 msec 1.47 msec 9.68 4.68 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in ampere-volts. ampere-hours. amperes. kWh. ampere-volts. ampere-hours. amperes. kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0030 0.0060 0.30 0.60 0.0030 0.0060 0.30 0.60 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 8 MΩ 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
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