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 16 MΩ 8 MΩ 4 MΩ 32 MΩ 16 MΩ 8 MΩ 4 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? Draw - in - system / duct - pipe laying. Direct laying. Both A and B. None of these. Draw - in - system / duct - pipe laying. Direct laying. Both A and B. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Diesel engine. Steam accumulator. None of above. Hydraulic turbine. Diesel engine. Steam accumulator. None of above. Hydraulic turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying no. of ampere-turns. air gap of magnetic path. adjustable back up stop. none of these. no. of ampere-turns. air gap of magnetic path. adjustable back up stop. none of these. ANSWER DOWNLOAD EXAMIANS APP
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