Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor isolated from outside word with strong magnetic field. immersed in water pool. encased by thick concrete wall. encased thick metal wall. isolated from outside word with strong magnetic field. immersed in water pool. encased by thick concrete wall. encased thick metal wall. 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 23060 J. 20060 J. 25060 J. 20160 J. 23060 J. 20060 J. 25060 J. 20160 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 1 A. 14.76 A. 14.7 mA. 1.476 A. 1 A. 14.76 A. 14.7 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, charging current increases power loss increases interference increases All of these charging current increases power loss increases interference increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11,B12 are non zero ,B22 = 0 B11,B22,B12 are non zeros B11 is non zero,B22 = B12 = 0 B11,B22 are non zero,B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22,B12 are non zeros B11 is non zero,B22 = B12 = 0 B11,B22 are non zero,B12 = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 4 A 1 + j 2 A -2 - j 1 A 5 + j 7 A 1 + j 4 A 1 + j 2 A -2 - j 1 A 5 + j 7 A ANSWER DOWNLOAD EXAMIANS APP
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