GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ both charging effect and skin effect no charging current but skin effect charging current but no skin effect no charging current no skin effect both charging effect and skin effect no charging current but skin effect charging current but no skin effect no charging current no skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Power Factor correcting element is generally connected in _____ parallel to the load series with source series with load parallel to source parallel to the load series with source series with load parallel to source ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? dynamic breaking regenerative breaking plugging resistor breaking dynamic breaking regenerative breaking plugging resistor breaking 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) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 6\7 2\3 7\8 5\6 6\7 2\3 7\8 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in Electric precipitator Economizer condenser chimney Electric precipitator Economizer condenser chimney ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Oil is mostly _____ by trucks in India transmit transport deliver transfer transmit transport deliver transfer ANSWER DOWNLOAD EXAMIANS APP
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