GETCO Exam Paper (22-07-2015) Which city is capital of Meghalaya? (As on 22/07/2015) Itanagar Imphal Dispur Shilong Itanagar Imphal Dispur Shilong 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 hours 4.2 years 42 secs 4.2 minutes 4.2 hours 4.2 years 42 secs 4.2 minutes ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is zero leading unity lagging zero leading unity lagging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ 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 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) The mechanical angle is _____ electrical angle same lesser than or equal to greater than or equal to always less same lesser than or equal to greater than or equal to always less ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) For given kVAR and line voltage the ratio of star to delta value of capacitor is 1.73 3 0.33333333333333 1 1.73 3 0.33333333333333 1 ANSWER DOWNLOAD EXAMIANS APP
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