Power Systems Condition for maximum voltage regulation tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 48.36 kV 20 kV 52.84 kV 83.76 kV 48.36 kV 20 kV 52.84 kV 83.76 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of cobalt. steel. aluminium. cast iron. cobalt. steel. aluminium. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Increase but does not doubled. Doubled. Halves. Decrease but does not halves. Increase but does not doubled. Doubled. Halves. Decrease but does not halves. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Dynamic breaking All of these Fast acting governing system Fast acting excitation control Dynamic breaking All of these Fast acting governing system ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is un changed. 5. 10. 1. un changed. 5. 10. 1. ANSWER DOWNLOAD EXAMIANS APP
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