Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d 5d 2d d 3d 5d 2d d ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 2 MJ/MVA 16 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 16 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Diesel engine. Thermal. Petrol engine. Hydro electric. Diesel engine. Thermal. Petrol engine. Hydro electric. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 0 Ω 800 Ω 400 Ω 200 Ω 0 Ω 800 Ω 400 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
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