Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LG LL LLG LLL LG LL LLG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the increasing order. the decreasing order. None of these neither increasing nor decreasing order. the increasing order. the decreasing order. None of these neither increasing nor decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is lower at the surface of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? False True None of these either 1 or 2 False True None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor water is used at high pressure so that it is available is liquid from at about 280° C. both B and C. the coolant water boils in the reactor core. heavy water is used as both coolant and moderator. water is used at high pressure so that it is available is liquid from at about 280° C. both B and C. the coolant water boils in the reactor core. heavy water is used as both coolant and moderator. ANSWER DOWNLOAD EXAMIANS APP