GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from Y bus of the system reactive power demand type of bus none of these Y bus of the system reactive power demand type of bus none of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 1 100 0.5 10 1 100 0.5 10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle lesser than or equal to same greater than or equal to always less lesser than or equal to same greater than or equal to always less ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? more efficient cost is higher than batteries no recharging is needed need more than two electrode more efficient cost is higher than batteries no recharging is needed need more than two electrode ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency depends on load same lesser greater depends on load same lesser greater ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? regenerative breaking plugging dynamic breaking resistor breaking regenerative breaking plugging dynamic breaking resistor breaking ANSWER EXPLANATION DOWNLOAD EXAMIANS APP three types of electric breaking:Regenerative breaking( leads to economic and energy consevation)pugging (more efficient method of breaking)rheostatic breaking