GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the power factor Improve the dynamic stability Improve the reactive power control Improve the voltage control Improve the power factor Improve the dynamic stability Improve the reactive power control Improve the voltage control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? more efficient need more than two electrode no recharging is needed cost is higher than batteries more efficient need more than two electrode no recharging is needed cost is higher than batteries 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) For a given transformer volte/turn for primary and secondary winding is same different depends on load depends on transformer design same different depends on load depends on transformer design ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) The instantaneous value of power in purely inductive circuit is zero constant none of this changing zero constant none of this changing ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by decreasing generator inertia reducing fault clearing time using double circuit line instead of single circuit line by fast switching decreasing generator inertia reducing fault clearing time using double circuit line instead of single circuit line by fast switching ANSWER DOWNLOAD EXAMIANS APP