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12th National Certification Exam Energy Managers & Auditors OCTOBER 2011 Paper 4

12 pages, 19 questions, 0 questions with responses, 0 total responses,

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Jawaharlal Nehru Technological University (JNTUH), Hyderabad

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Paper 4 Energy Auditor Set A Key 12th NATIONAL CERTIFICATION EXAMINATION FOR ENERGY AUDITORS October, 2011 PAPER 4: Energy Performance Assessment for Equipment and Utility Systems Date: 16.10.2011 Timings: 14:00-16:00 HRS Duration: 2 HRS Max. Marks: 100 General instructions: o o o o o Please check that this question paper contains 12 printed pages Please check that this question paper contains 16 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: BRIEF QUESTIONS Marks: 10 x 1 = 10 (i) Answer all Ten questions (ii) Each question carries One mark S-1 When you do a walk through energy audit of a cooling tower, which two parameters will you quickly spot check for indication of the cooling tower performance? Ans Cold well temperature and wet bulb temperature (Range and approach may also be considered) S-2 Which component of a cooling tower enhances heat transfer by maximizing water and air contact? Ans S-3 Fill What is the index used to express the harmonics level in an electrical system? Ans S-4 Total Harmonic Distortion (THD) The EER of an air conditioner as indicated in BEE Star labeling scheme is represented in_________ Ans S-5 Watts/Watts For the determination of which boiler losses by indirect method, the specific heat of superheated water vapour is used? Ans Loss due to moisture in air, loss due to hydrogen in fuel and loss due to moisture in 1 _______________________ Bureau of Energy Efficiency

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