Power Systems Most commonly used material for insulator is glass All of these porcelain mica glass All of these porcelain mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 6 16 10 2 6 16 10 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 25.8 mH. 23.33 mH. 21.2 mH. 23.8 mH. 25.8 mH. 23.33 mH. 21.2 mH. 23.8 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 600 kV 500 kV 320 kv 400 kV 600 kV 500 kV 320 kv 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Transmission system must be more efficient with minimum line losses both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 Transmission system must be more efficient with minimum line losses both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% ANSWER DOWNLOAD EXAMIANS APP
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