Power Systems Gross head of an hydroelectric power station is the height of water level in the river where the storage is provided. all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in overhead transmission lines underground cable communication lines All of these overhead transmission lines underground cable communication lines All of these 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 1 F 0.5 F 4 F 2 F 1 F 0.5 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems The economics of power plant is greatly influenced by load factor nether 1 nor 2 both 1 and 2 diversity factor load factor nether 1 nor 2 both 1 and 2 diversity factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in mutual geometrical mean distance neither 1 nor 2 both 1 and 2 increase in height of conductors above ground increase in mutual geometrical mean distance neither 1 nor 2 both 1 and 2 increase in height of conductors above ground ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage lighting voltage skin effect radio interference switching over voltage lighting voltage skin effect radio interference ANSWER DOWNLOAD EXAMIANS APP