Power Systems Which of following materials can be used as coolant CO2. Helium. Heavy water. Any of above. CO2. Helium. Heavy water. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 9.81 kW 19.60 kW 2.90 kW 4.45 kW 9.81 kW 19.60 kW 2.90 kW 4.45 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.371∠ -100° 0.325∠ -100° 0.433∠ 80° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° 0.433∠ 80° 0.725∠ 80° 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 10. 1. un changed. 5. 10. 1. un changed. 5. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Reactance. Peterson coil. Resistance. Solid. Reactance. Peterson coil. Resistance. Solid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS