Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Air. Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. Water. 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. Air blast CB. Oil CB. Any of these. Vacuum CB. Air blast CB. Oil CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Differential relays both 1 and 2 over current relays Buccholz relays Differential relays both 1 and 2 over current relays Buccholz relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.1 pu 0.5 pu 0.2 pu 0.4 pu 0.1 pu 0.5 pu 0.2 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Applicable for large power system network Time taken for each iteration is less both 1 and 2 Number of iterations are less Applicable for large power system network Time taken for each iteration is less both 1 and 2 Number of iterations are less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLG LG LL LLL LLG LG LL LLL ANSWER DOWNLOAD EXAMIANS APP
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