Power Systems Lightning arresters are made up of which material? silver silicon oxide any of the above copper silver silicon oxide any of the above copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect All of these proximity effect carona skin effect All of these proximity effect carona 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? Any of these. Air blast CB. Vacuum CB. Oil CB. Any of these. Air blast CB. Vacuum CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Unit matrix null matrix Z bus matrix Y bus matrix Unit matrix null matrix Z bus matrix Y bus matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1 to 10 50 to 100 10.8 to 11.2 1.6 to 1.8 1 to 10 50 to 100 10.8 to 11.2 1.6 to 1.8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located At the beginning of the penstock. Near the surge tank. In between the runner exhaust and the tail race. In between the penstock and runner. At the beginning of the penstock. Near the surge tank. In between the runner exhaust and the tail race. In between the penstock and runner. ANSWER DOWNLOAD EXAMIANS APP
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