GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Mho Relay Reactance Relay Impedance Relay Over current Relay Mho Relay Reactance Relay Impedance Relay 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 No of ittretion in N R method can not be more than 30 for any system Approximation is used in FDLF method jacobian is always required Y Bus is required for power flow analysis No of ittretion in N R method can not be more than 30 for any system Approximation is used in FDLF method jacobian is always required ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ both charging effect and skin effect charging current but no skin effect no charging current but skin effect no charging current no skin effect both charging effect and skin effect charging current but no skin effect no charging current but skin effect no charging current no skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the synonyms of 'Pragmatic'? Arrogant Magnetic Practical Uncertain Arrogant Magnetic Practical Uncertain ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is unity leading zero lagging unity leading zero 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) 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 9 + j10 1 + j2 3 + j6 3 - j6 9 + j10 1 + j2 3 + j6 ANSWER DOWNLOAD EXAMIANS APP