Power Systems The rating of CB is in terms of volt - ampere. voltage. VAR. current. volt - ampere. voltage. VAR. current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 1500 Ω 3000 Ω 750 Ω 1000 Ω 1500 Ω 3000 Ω 750 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 125 MVA 400 MVA 100 MVA 500 MVA 125 MVA 400 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 0.001 1000 10 0.1 0.001 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Attenuation occurs due to resistance conductance both 1 and 3 inductance resistance conductance both 1 and 3 inductance 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? 0.89 1.25 1 1.13 0.89 1.25 1 1.13 ANSWER DOWNLOAD EXAMIANS APP