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Previous year question hub

Economic analysis of energy systems - Energy Storage, Economics, Environment, and Efficiency - Engineering Sciences Previous Year Questions

Practice Economic analysis of energy systems - Energy Storage, Economics, Environment, and Efficiency - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

1Papers
1Years
2Questions
1Topics

Economic analysis of energy systems question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 1 50%
Medium 1 50%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Numerical Answer Type (NAT) 2 100%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
2 Qs

Most asked topics

Top topics across the included previous year papers.

Energy Storage, Economics, Environment, and Efficiency
2 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Economic analysis of energy systems
2 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Engineering Sciences (XE) 2026
2 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Engineering Sciences (XE) 20262026
2 questions in this view		2026
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All Economic analysis of energy systems previous year questions

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1
2026 · Engineering Sciences · Energy Storage, Economics, Environment, and Efficiency · Economic analysis of energy systems
Engineering Sciences (XE) 2026
An energy conservation project requires an initial investment of ₹ 50,000 with an expected annual operation and maintenance cost of ₹ 5,000. This project is expected to reduce the monthly energy cost by ₹ 1,250. The simple payback period (in years) is__________. (Answer in integer)
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2
2026 · Engineering Sciences · Energy Storage, Economics, Environment, and Efficiency · Economic analysis of energy systems
Engineering Sciences (XE) 2026
A resident has ₹ 50,000 to purchase a 5-star rated air conditioner with a life of 10 years. The annual energy cost savings (in ₹) needed to recover this investment in 6 years assuming a discount rate of 10 % per annum is__________. (Answer in integer)
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