GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ copper loss and iron loss frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss copper loss and iron loss frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 2\3 5\6 6\7 7\8 2\3 5\6 6\7 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 power system network, at which bus the shunt is connected that can be known from type of bus none of these reactive power demand Y bus of the system type of bus none of these reactive power demand Y bus of the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In which of the following festivals are boat races a special feature? Pongal Rongali Bihu Onam Navaratri Pongal Rongali Bihu Onam Navaratri ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation consume active power deliver active power delivers lagging VAR consumes lagging VAR consume active power deliver active power delivers lagging VAR consumes lagging VAR ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? voltage grade current carrying capacity short circuit current rating permissible voltage drop voltage grade current carrying capacity short circuit current rating permissible voltage drop ANSWER DOWNLOAD EXAMIANS APP