Download GTU BE/B.Tech 2018 Winter 7th Sem Old 171907 Energy Conservation And Management Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem Old 171907 Energy Conservation And Management Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII (OLD) EXAMINATION ? WINTER 2018
Subject Code: 171907 Date: 15/11/2018

Subject Name: Energy Conservation And Management

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Which are the various primary and secondary energy sources? Differentiate
between commercial and non-commercial energy.
07
(b) Explain various basic electrical parameters to calculate electricity tariff for an
industry.
07

Q.2 (a) Explain how a CUSUM chart is drawn with an example. 07
(b) Define energy management. Which are the types of energy audit? Explain
detailed energy audit.
07
OR
(b) Explain briefly the essential elements of monitoring and targeting system. 07

Q.3 (a) Define the following terms: (i) Humidity (ii) High grade energy (iii) Power factor
(iv) Latent heat of fusion (v) Dew point (vi) Calorific value (vii) Load factor.
07
(b) Explain efficiency measurement methods of boiler in brief. 07
OR
Q.3 (a) Define the terms: SPP, ROI, NPV, IRR, Cash flow, Risk analysis & Time value
of money.
07
(b) List the factors that affect energy efficiency in air compressors. 07

Q.4 (a) Discuss the effect of climate change on environment in detail due to effect of
various energy uses.
07
(b) What do you mean by cogeneration? Classify cogeneration system & Explain
bottoming cycle.
07
OR
Q.4 (a) What is the role of an ESCO? Discuss it in detail. 07
(b) Classify heat recovery systems and explain any one in detail. 07

Q.5 (a) Explain energy pricing in India. 07
(b) Explain the operating principle of a waste heat recovery boiler with examples.

07
OR
Q.5 (a) Name any four main provisions of the EC act, 2001 as applicable to the
designated consumers.
07
(b) Give various tips for energy savings in thermal utility devices like compressor,
pump and refrigeration system.
07

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