Power Systems The inductance of single phase two wire line is given by 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Short circuit Temperature Over load any of the above Short circuit Temperature Over load any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant CO2. Any of above. Helium. Heavy water. CO2. Any of above. Helium. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in pressure increases. noise increases. noise increases, pressure increases, velocity decreases. None of these pressure increases. noise increases. noise increases, pressure increases, velocity decreases. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by None of these Z bus method either 1 or 2 Y bus method None of these Z bus method either 1 or 2 Y bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 66.66% 25% 75% 33.33% 66.66% 25% 75% 33.33% ANSWER DOWNLOAD EXAMIANS APP
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