GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … no of lines are less lines are connected to less no. of buses Y primitive is a sparse matrix bus incidence matrix is a sparse matrix no of lines are less lines are connected to less no. of buses Y primitive is a sparse matrix bus incidence matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Laplace transforms is used for converting non linear equation to linear equation for finding initial condition in a system finding transfer function of any systems converting diffential equation to algebraic equation converting non linear equation to linear equation for finding initial condition in a system finding transfer function of any systems converting diffential equation to algebraic equation 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? 90 180 60 120 90 180 60 120 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is same different depends on transformer design depends on load same different depends on transformer design depends on load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will decrease Not affected remains same increase decrease Not affected remains same increase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because PF of the load can also be estimated all are correct it can be used for star or delta connected load it can be used for balanced or unbalanced load PF of the load can also be estimated all are correct it can be used for star or delta connected load it can be used for balanced or unbalanced load ANSWER DOWNLOAD EXAMIANS APP