Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 16 MΩ 4 MΩ 8 MΩ 32 MΩ 16 MΩ 4 MΩ 8 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are two one six three two one six three ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line 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. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.60 0.0060 0.0030 0.30 0.60 0.0060 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 400 Ω 160 Ω 320 Ω 200 Ω 400 Ω 160 Ω 320 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the penalty factor of a plant is unity, its incremental transmission loss is 1 -1 0 None of these 1 -1 0 None of these ANSWER DOWNLOAD EXAMIANS APP
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