Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase induction motor DC shunt motor DC series motor Three phase synchronous motor Three phase induction motor DC shunt motor DC series motor Three phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 400 MJ 200 MJ 50 MJ 8 MJ 400 MJ 200 MJ 50 MJ 8 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydroelectric power station is commonly found in swamps. desert areas. hilly areas. grasslands. swamps. desert areas. hilly areas. grasslands. 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. Halves. Decrease but does not halves. Doubled. Increase but does not doubled. Halves. Decrease but does not halves. Doubled. 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? 1000 Ω 750 Ω 1500 Ω 3000 Ω 1000 Ω 750 Ω 1500 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to normal frequency 50 Hz rms voltage. arcing period voltage. none of these. transient voltage. normal frequency 50 Hz rms voltage. arcing period voltage. none of these. transient voltage. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS