Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 420 Ω 210 Ω 400 Ω 840 Ω 420 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with both 1 and 2 increase in mutual geometrical mean distance increase in height of conductors above ground neither 1 nor 2 both 1 and 2 increase in mutual geometrical mean distance increase in height of conductors above ground neither 1 nor 2 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. The plant capacity factor for the station is 0.6 1 0.75 0.5 0.6 1 0.75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sparse matrix is matrix which contain more number of memory elements more number of non zeros more number of zeros less number of memory elements more number of memory elements more number of non zeros more number of zeros less number of memory elements 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. 0.2 mm. 0.4 mm. 4 mm. 2 mm. 0.2 mm. 0.4 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage ANSWER DOWNLOAD EXAMIANS APP
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