Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.09 + j 0.018 per Km. None of them. 0.018 per Km. 0.01 + j 0.02 per Km. 0.09 + j 0.018 per Km. None of them. 0.018 per Km. 0.01 + j 0.02 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on frequency distance between the conductors All of these relative permeability frequency distance between the conductors All of these relative permeability ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Hydraulic turbine. None of above. Diesel engine. Steam accumulator. Hydraulic turbine. None of above. Diesel engine. Steam accumulator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -2 -1 0 1 -2 -1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? delta-star star-delta delta-delta star-star delta-star star-delta delta-delta star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS