GETCO Exam Paper (22-07-2015) 100% string efficiency means One of the insulator discs shorted None uniform potential distribution across each disc Equal potential across each disc Zero potential across each disc One of the insulator discs shorted None uniform potential distribution across each disc Equal potential across each disc Zero potential across each disc ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The power factor of the arc in circuit breaker is always zero always unity always lagging always leading always zero always unity always lagging always leading ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who is the 2012 London Olympics bronze medalist in badminton? Ashwini Ponnappa Sania Saina Jwala Gutta Ashwini Ponnappa Sania Saina Jwala Gutta ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 45, transient stability 90, transient stability 45, steady state stability 90, steady state stability 45, transient stability 90, transient stability 45, steady state stability 90, steady state stability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it can supply True power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains Apparent power which it can supply True power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
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
EXAMIANS