GETCO Exam Paper (22-07-2015) For formation of the Y bus matrix (using node voltage analysis) in power system network modelling _____ is used KCL Faraday's law all are correct KVL KCL Faraday's law all are correct KVL ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 120 90 180 60 120 90 180 60 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for measuring purpose protection purpose both measuring and protection as power transformer measuring purpose protection purpose both measuring and protection as power transformer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because all are correct PF of the load can also be estimated it can be used for balanced or unbalanced load it can be used for star or delta connected load all are correct PF of the load can also be estimated it can be used for balanced or unbalanced load it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? dynamic breaking plugging regenerative breaking resistor breaking dynamic breaking plugging regenerative 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
GETCO Exam Paper (22-07-2015) The constraints that are to be met with while solving UC problem are all are correct Minimum up time Spinning reserve Minimum down time all are correct Minimum up time Spinning reserve Minimum down time ANSWER DOWNLOAD EXAMIANS APP