GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by by fast switching decreasing generator inertia using double circuit line instead of single circuit line reducing fault clearing time by fast switching decreasing generator inertia using double circuit line instead of single circuit line reducing fault clearing time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ 1/2 load 3/4 load full load no load 1/2 load 3/4 load full load no load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) 100% string efficiency means None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted Zero potential across each disc None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted Zero potential across each disc ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by -0.4 1.8 1.2 0.4 -0.4 1.8 1.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current load interrupter switches are used circuit breakers are used relays are used isolators are used load interrupter switches are used circuit breakers are used relays are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis Approximation is used in FDLF method Y Bus is required for power flow analysis jacobian is always required No of ittretion in N R method can not be more than 30 for any system Approximation is used in FDLF method Y Bus is required for power flow analysis jacobian is always required No of ittretion in N R method can not be more than 30 for any system ANSWER DOWNLOAD EXAMIANS APP
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