GETCO Exam Paper (22-07-2015) Which of the following cable is extensively used for high tension and low tension work? PVC cable VIR cable TRS cable XLPE cable PVC cable VIR cable TRS cable XLPE cable ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation delivers lagging VAR consume active power deliver active power consumes lagging VAR delivers lagging VAR consume active power deliver active power consumes lagging VAR ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is zero lagging unity leading zero lagging unity leading 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 _____ 1/2 load full load 3/4 load no load 1/2 load full load 3/4 load no load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) Laplace transforms is used for converting non linear equation to linear equation for finding initial condition in a system finding transfer function of any systems converting diffential equation to algebraic equation converting non linear equation to linear equation for finding initial condition in a system finding transfer function of any systems converting diffential equation to algebraic equation ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from type of bus reactive power demand Y bus of the system none of these type of bus reactive power demand Y bus of the system none of these ANSWER DOWNLOAD EXAMIANS APP