Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT current transformer lightning arrester circuit breaker CVT current transformer lightning arrester circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 0.5 ohm 5 ohms 500 ohms 50 ohms 0.5 ohm 5 ohms 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these skin effect carona proximity effect All of these skin effect carona proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kJ / S. HP. W. kWh. kJ / S. HP. W. kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. All of above. Both R and G depend on the conductivity of conductor forming the line. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. All of above. Both R and G depend on the conductivity of conductor forming the line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS