Power Systems Switchgear equipment include switches. all of these. fuses. relays and CB. switches. all of these. fuses. relays and CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays Mho relays any of the above Impedance relays Admittance relays Mho relays any of the above Impedance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? skin effect radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage switching over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend All of above. Working head. Nature of load. Speed. All of above. Working head. Nature of load. Speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 35.45 38.6 23.9 31.7 35.45 38.6 23.9 31.7 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
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