Power Systems Mho relay is used for the protection of long transmission lines. no length criterion. short length lines. medium length lines. long transmission lines. no length criterion. short length lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.2 pu 0.25 pu 0.1 pu 0.4 pu 0.2 pu 0.25 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage switching over voltage skin effect 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-Δ connection Y-Δ connection Δ-Y connection Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. Buchholz relay. IDMT relay. Mho relay. Impedance relay. Buchholz relay. IDMT relay. Mho relay. ANSWER DOWNLOAD EXAMIANS APP
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