Power Systems Which of following materials can be used as coolant Any of above. Helium. Heavy water. CO2. Any of above. Helium. Heavy water. CO2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? memory required is less All of these calculation time is less only one equation is required memory required is less All of these calculation time is less only one equation is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²+3x+1 N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²-6x+1 N = 3x²+3x+1 N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is lubrication oil pumps. coal handling plant. conveyors. none of above. lubrication oil pumps. coal handling plant. conveyors. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.025 0.25 0.02 0.05 0.025 0.25 0.02 0.05 ANSWER DOWNLOAD EXAMIANS APP