GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in Electric precipitator condenser Economizer chimney Electric precipitator condenser Economizer chimney ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for as power transformer measuring purpose both measuring and protection protection purpose as power transformer measuring purpose both measuring and protection protection purpose ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis Y Bus is required for power flow analysis jacobian is always required Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system Y Bus is required for power flow analysis jacobian is always required Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading zero lagging unity leading zero lagging unity 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) In a DC motor, back EMF value becomes maximum at _____ 3/4 load full load no load 1/2 load 3/4 load full load no load 1/2 load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Reduce the fault level Improve the stability Increase line impedance Improve voltage profile Reduce the fault level Improve the stability Increase line impedance Improve voltage profile ANSWER DOWNLOAD EXAMIANS APP
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