Power Systems The insulation of the modern EHV lines is designed based on corona. the switch voltage. the lighting voltage. R × I. corona. the switch voltage. the lighting voltage. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of slack bus are V and δ P and V P and δ P and Q V and δ P and V P and δ P and Q 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-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. produce surge in the pipeline. relieve water hammer pressure in the penstock. supply water at constant pressure. none of above. produce surge in the pipeline. relieve water hammer pressure in the penstock. supply water at constant pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of long transmission lines. short length lines. no length criterion. medium length lines. long transmission lines. short length lines. no length criterion. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The permittivity of the dielectric separating the conductor. The load terminating the line. The operating frequency of the line. The conductivity of conductors. The permittivity of the dielectric separating the conductor. The load terminating the line. The operating frequency of the line. The conductivity of conductors. ANSWER DOWNLOAD EXAMIANS APP