Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are pin type insulator suspension type strain type any of the above pin type insulator suspension type strain type any of the above 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? Vacuum CB. Oil CB. Air blast CB. Any of these. Vacuum CB. Oil CB. Air blast CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Minimum load station. Base load station. Peak load station. None of above. Minimum load station. Base load station. Peak load station. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.5 pu, Zm =0.6 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
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