GETCO Exam Paper (22-07-2015) The area under the load duration curve represents energy generated in the period considered average load of the system Maximum demand of the power station base load of the system energy generated in the period considered average load of the system Maximum demand of the power station base load of the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Babies _____ when they are hungry is crying cries cry are crying is crying cries cry are crying ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? dynamic breaking resistor breaking regenerative breaking plugging dynamic breaking resistor breaking regenerative breaking plugging 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) A transformer has negative voltage regulation when its load PF is unity zero lagging leading unity zero lagging leading ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 hours 4.2 years 42 secs 4.2 minutes 4.2 hours 4.2 years 42 secs 4.2 minutes ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … no of lines are less bus incidence matrix is a sparse matrix Y primitive is a sparse matrix lines are connected to less no. of buses no of lines are less bus incidence matrix is a sparse matrix Y primitive is a sparse matrix lines are connected to less no. of buses ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS