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Previous year question hub

Energy Storage, Economics, Environment, and Efficiency - Engineering Sciences Previous Year Questions

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

2Papers
2Years
6Questions
1Topics

Energy Storage, Economics, Environment, and Efficiency question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Energy Storage, Economics, Environment, and Efficiency. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 5 83.3%
Medium 1 16.7%

Question type distribution

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

Numerical Answer Type (NAT) 4 66.7%
MCQ 1 16.7%
MSQ 1 16.7%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
6 Qs

Most asked topics

Top topics across the included previous year papers.

Energy Storage, Economics, Environment, and Efficiency
6 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Economic analysis of energy systems
2 Qs
Energy storage systems
2 Qs
Environmental impacts of energy use
1 Qs
Energy management
1 Qs

Paper coverage

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

Engineering Sciences (XE) 2026
5 Qs
Engineering Sciences (XE) 2023
1 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Economic analysis of energy systems

Explore previous-paper coverage, trends and focused practice for Economic analysis of energy systems.

2 questions1 papers1 years

Energy storage systems

Explore previous-paper coverage, trends and focused practice for Energy storage systems.

2 questions1 papers1 years

Environmental impacts of energy use

Explore previous-paper coverage, trends and focused practice for Environmental impacts of energy use.

1 questions1 papers1 years

Energy management

Explore previous-paper coverage, trends and focused practice for Energy management.

1 questions1 papers1 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 202620265View paper
Engineering Sciences (XE) 202320231View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2023 · Engineering Sciences · Energy Storage, Economics, Environment, and Efficiency · Environmental impacts of energy use
Engineering Sciences (XE) 2023

Which among the following gases has the highest global warming potential?

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2
2026 · Engineering Sciences · Energy Storage, Economics, Environment, and Efficiency · Energy management
Engineering Sciences (XE) 2026

Which of the following is/are step(s) followed in energy audit?

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3
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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4
2026 · Engineering Sciences · Energy Storage, Economics, Environment, and Efficiency · Energy storage systems
Engineering Sciences (XE) 2026
Energy is extracted from a fully charged supercapacitor bank and the voltage of this system drops to 25 % of its initial value. The energy extracted with respect to initial energy (in %, rounded off to two decimal places) is__________.
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5
2026 · Engineering Sciences · Energy Storage, Economics, Environment, and Efficiency · Energy storage systems
Engineering Sciences (XE) 2026
A 75 kWh electric vehicle battery pack made of lithium-ion batteries has 4,800 individual cells in a series-parallel combination, with 120 cells in series. The nominal voltage of the individual cell is 3.7 V. The capacity in Ah (rounded off to two decimal places) of the individual cell is__________.
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6
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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