GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on load current rotor resistance and reactance stator resistance stator reactance load current rotor resistance and reactance stator resistance stator reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) The line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be 3 + j6 1 + j2 9 + j10 3 - j6 3 + j6 1 + j2 9 + j10 3 - j6 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to block harmonics increase the current limit reduce the effect of non identical CTs increase the relay sensitivity block harmonics increase the current limit reduce the effect of non identical CTs increase the relay sensitivity ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ field copper loss & iron loss frictional loss & copper loss mechanical loss & iron loss copper loss and iron loss field copper loss & iron loss frictional loss & copper loss mechanical loss & iron loss copper loss and iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Transient stability limit Short circuit limit Reactive power limit Steady state limit Transient stability limit Short circuit limit Reactive power limit Steady state limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In comparison to steam plant, the annual fixed cost of nuclear plant is Can't say Quit high almost equal Quit low Can't say Quit high almost equal Quit low ANSWER DOWNLOAD EXAMIANS APP
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