Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to both 1 and 2 electro magnetic induction nether 1 nor 2 electro static induction both 1 and 2 electro magnetic induction nether 1 nor 2 electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Air blast CB. Oil CB. Vacuum CB. Any of these. Air blast CB. Oil CB. Vacuum CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance decreases None of these remains unaffected increases decreases None of these remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by All of these using double circuit line instead of single circuit line decreasing generator inertia single pole switching All of these using double circuit line instead of single circuit line decreasing generator inertia single pole switching ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce ferranti effect proximity effect skin effect radio interference ferranti effect proximity effect skin effect radio interference ANSWER DOWNLOAD EXAMIANS APP