Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation Z1 = Z2 = Z0 (Z1 = Z2) < Z0 any of the above (Z1 = Z2) > Z0 Z1 = Z2 = Z0 (Z1 = Z2) < Z0 any of the above (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.25 1.13 0.89 1 1.25 1.13 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? RMS average any of the above peak value RMS average any of the above peak value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 20160 J. 25060 J. 23060 J. 20060 J. 20160 J. 25060 J. 23060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion the load factor and diversity factor should be low the load factor should be low but diversity factor should be high the load factor should be high but diversity factor should be low The load factor and diversity factor should be high the load factor and diversity factor should be low the load factor should be low but diversity factor should be high the load factor should be high but diversity factor should be low The load factor and diversity factor should be high ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS