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1st National Certification Exam Energy Managers 2004 Paper 3

7 pages, 70 questions, 2 questions with responses, 2 total responses,    0    0
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Paper EM3 Energy Manager Set A NATIONAL CERTIFICATION EXAMINATION 2004 FOR ENERGY MANAGERS PAPER EM3: Energy Efficiency in Electrical Utilities Date: 23.05.2004 Timings: 0930-1230 HRS Duration: 3 HRS Max. Marks: 150 General instructions: o o o o o Please check that this question paper contains 7 printed pages Please check that this question paper contains 65 questions The question paper is divided into three sections All questions in all three sections are compulsory All parts of a question should be answered at one place Section I: OBJECTIVE TYPE (i) (ii) (iii) 1. Answer all 50 questions Each question carries one mark Put a ( ) tick mark in the appropriate box in the answer book In electricity distribution, if the voltage is raised from 11 kV to 33 kV for the same loading conditions, the voltage drop in the distribution system would be lower by a factor of a) 1/4 2. b) 1/2 c) 1/3 b) 1/3 c) 1/6 d) none of the above Select the location of installing capacitor bank, which will reduce the electricity distribution losses to the maximum extent a) main sub-station bus bars c) motor control centre 4. d) none of the above If the voltage level of the distribution system is raised from 11 kV to 33 kV for the same loading conditions, the distribution losses are reduced by a factor of a) 1/9 3. Marks: 50 x 1 = 50 b) motor terminals d) distribution board bus bars The power factor indicated in the monthly electricity bill for industry is a) peak power factor of the day b) peak power factor achieved during the month c) average monthly power factor d) instantaneous power factor taken at the time of meter reading taken by the utility staff 5. The vector sum of active power and reactive power is a) apparent power _______________________ Bureau of Energy Efficiency b) true power c) shaft power d) none of the above 1

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