GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 90, transient stability 45, transient stability 45, steady state stability 90, steady state stability 90, transient stability 45, transient stability 45, steady state stability 90, steady state stability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 minutes 4.2 hours 42 secs 4.2 years 4.2 minutes 4.2 hours 42 secs 4.2 years ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … 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 no of lines are less lines are connected to less no. of buses Y primitive is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are high votage DCs short duration transient voltage high voltage Acs power frequency voltage high votage DCs short duration transient voltage high voltage Acs power frequency voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on rotor resistance and reactance load current stator resistance stator reactance rotor resistance and reactance load current stator resistance stator reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs power factor Armature current Vs active power Armature current Vs Field current Armature current Vs reactive power Armature current Vs power factor Armature current Vs active power Armature current Vs Field current Armature current Vs reactive power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
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