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) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 2\3 7\8 6\7 5\6 2\3 7\8 6\7 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) Which city is capital of Meghalaya? (As on 22/07/2015) Shilong Dispur Itanagar Imphal Shilong Dispur Itanagar Imphal ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Root Locus is locus of the _____ close loop poles to close loop zeros open loop zeros to close poles close loop poles open loop poles to open loop zeros close loop poles to close loop zeros open loop zeros to close poles close loop poles open loop poles to open loop zeros ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation delivers lagging VAR consume active power deliver active power consumes lagging VAR delivers lagging VAR consume active power deliver active power consumes lagging VAR ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 130˚C 150˚C 105˚C 180˚C 130˚C 150˚C 105˚C 180˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180