GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 10 N-m 22 N-m 23.5 N-m 0 N-m 10 N-m 22 N-m 23.5 N-m 0 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) The power factor of the arc in circuit breaker is always unity always zero always leading always lagging always unity always zero always leading always lagging ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Babies _____ when they are hungry cries are crying cry is crying cries are crying cry is crying ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? deference of error is the main reason angle of the voltage is not considered AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power deference of error is the main reason angle of the voltage is not considered AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of 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 Armature current Vs power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current circuit breakers are used load interrupter switches are used relays are used isolators are used circuit breakers are used load interrupter switches are used relays are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
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