GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) The fault occurring in transmission actually are mostly L-G L-L-G L-L-L L-L L-G L-L-G L-L-L L-L ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Reactive power limit Short circuit limit Steady state limit Transient stability limit Reactive power limit Short circuit limit Steady state limit Transient stability limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ copper loss and iron loss field copper loss & iron loss mechanical loss & iron loss frictional loss & copper loss copper loss and iron loss field copper loss & iron loss mechanical loss & iron loss frictional loss & copper 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) Which of the following is the wrong statement in terms of slack bus? voltage and angle is specified at this bus it should be located at the centre of the area it has finite reactive power generation capability it should be the largest generator bus in the system voltage and angle is specified at this bus it should be located at the centre of the area it has finite reactive power generation capability it should be the largest generator bus in the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in condenser Economizer Electric precipitator chimney condenser Economizer Electric precipitator chimney ANSWER DOWNLOAD EXAMIANS APP
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