Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located In between the penstock and runner. Near the surge tank. At the beginning of the penstock. In between the runner exhaust and the tail race. In between the penstock and runner. Near the surge tank. At the beginning of the penstock. In between the runner exhaust and the tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. 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. Oil CB. Air blast CB. Vacuum CB. Any of these. Oil CB. Air blast CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line remains same decrease None of these increase remains same decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, decreases increases None of these remains unaffected decreases increases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. ANSWER DOWNLOAD EXAMIANS APP
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