Power Systems In thermal power plants the size of coal after crushing 20 - 25 mm. 200 - 205 mm. 300 mm. 40 mm. 20 - 25 mm. 200 - 205 mm. 300 mm. 40 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 290 kHz 2.9 kHz 29 MHz 29 kHz 290 kHz 2.9 kHz 29 MHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true regarding infinite line? both 2 and 3 It has infinite voltage It has infinite length It maintains the constant voltage both 2 and 3 It has infinite voltage It has infinite length It maintains the constant voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Hydro power plant. Diesel power plant. Nuclear power plant. Steam power plant. Hydro power plant. Diesel power plant. Nuclear power plant. Steam power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Gas turbine plant. Nuclear power plant. Hydro electric power plant. Thermal power plant. Gas turbine plant. Nuclear power plant. Hydro electric power plant. Thermal power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 250 Ω 1000 Ω 25 Ω 500 Ω 250 Ω 1000 Ω 25 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS