GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against switching surge excessive fault voltages lightning surge corona effect switching surge excessive fault voltages lightning surge corona effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because VAR compensation is not required in it Harmonic problem is avoided System stability can be improved Its terminal equipment are inexpensive VAR compensation is not required in it Harmonic problem is avoided System stability can be improved Its terminal equipment are inexpensive ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always greater than 1 less than 1 Infinite zero greater than 1 less than 1 Infinite zero ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? regenerative breaking resistor breaking dynamic breaking plugging regenerative breaking resistor breaking dynamic breaking plugging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP three types of electric breaking:Regenerative breaking( leads to economic and energy consevation)pugging (more efficient method of breaking)rheostatic breaking
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? high retarding torque high positive correcting torque High gain in a system presence of dead time delay high retarding torque high positive correcting torque High gain in a system presence of dead time delay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The breaking capacity of a CB is usually expressed interms of volts amperes MVA MW volts amperes MVA MW ANSWER DOWNLOAD EXAMIANS APP
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