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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

Year-wise coverage for Economic analysis of energy systems. Each bar uses a separate theme-derived color.

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. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 202620262View paper

All Economic analysis of energy systems previous year questions

Practice every matching question in batches of 20, with every available option.

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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