Power Systems Zero voltage regulation is possible only for unity power factor All of these leading power factor lagging power factor unity power factor All of these leading power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction electro magnetic induction None of these both 1 and 2 electro static induction electro magnetic induction None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV? 0.75. 1.05. 1.20. 0.90. 0.75. 1.05. 1.20. 0.90. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Highest pressure generating pump inside the thermal plant is boiler feed pump All of these low pressure heater high pressure heater boiler feed pump All of these low pressure heater high pressure heater ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m ANSWER DOWNLOAD EXAMIANS APP
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