CConquer UPSCSign in
All PYQsPractise free. Progress is kept on this device.
Subject

Theme

Energy, Nuclear and Mobility Technologies

22 PYQs · Asked in 11 of 16 years · Free practice

Microthemes in this theme· 9

Selected microtheme

Power Grids, Energy Efficiency and Smart-Energy Systems

4 PYQs · Asked in 3 of 16 years

PYQs on Power Grids, Energy Efficiency and Smart-Energy Systems

4 PYQs from 2011–2026
Reset
Checking your session…

Showing 4 questions.

Prelims 2024

2 questions
Science & TechnologyEnergy, Nuclear and Mobility TechnologiesPower Grids, Energy Efficiency and Smart-Energy SystemsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Distributed Energy Resources · Battery storage · Rooftop solar · Fuel cells
Related topics:
Renewable Energy and Energy Transition Solutions

Classification and difficulty are editorial labels. Explanations are awaiting review.

2024 · Q27

Prelims 2024, question 27: Power Grids, Energy Efficiency and Smart-Energy Systems

Consider the following: 1. Battery storage 2. Biomass generators 3. Fuel cells 4. Rooftop solar photovoltaic units How many of the above are considered “Distributed Energy Resources”?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyEnergy, Nuclear and Mobility TechnologiesPower Grids, Energy Efficiency and Smart-Energy SystemsEasy (editorial estimate)
Question details
Type:
Single choice
Skill:
Concept understanding
Tags:
Pumped-storage hydropower · Energy storage · Power grids

Classification and difficulty are editorial labels. Explanations are awaiting review.

2024 · Q38

Prelims 2024, question 38: Power Grids, Energy Efficiency and Smart-Energy Systems

Recently, the term “pumped-storage hydropower” is actually and appropriately discussed in the context of which one of the following?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗

Prelims 2016

1 question
Science & TechnologyEnergy, Nuclear and Mobility TechnologiesPower Grids, Energy Efficiency and Smart-Energy SystemsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Fact recall
Tags:
Power Grids, Energy Efficiency and Smart-Energy Systems · On which of the following can you find the Bureau of Energy Efficiency Star Label?

Classification and difficulty are editorial labels. Explanations are awaiting review.

2016 · Q78

Prelims 2016, question 78: Power Grids, Energy Efficiency and Smart-Energy Systems

On which of the following can you find the Bureau of Energy Efficiency Star Label? 1. Ceiling fans 2. Electric geysers 3. Tubular fluorescent lamps Select the correct answer using the code given below.

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗

Prelims 2011

1 question
Science & TechnologyEnergy, Nuclear and Mobility TechnologiesPower Grids, Energy Efficiency and Smart-Energy SystemsMedium
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Power Grids, Energy Efficiency and Smart-Energy Systems
Related topics:
Electronics, Microelectronics and Embedded Systems
2011 · Q64

Prelims 2011, question 64: Power Grids, Energy Efficiency and Smart-Energy Systems

What is the difference between a CFL and an LED lamp? 1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi-conductor material. 2. The average life span of a CFL is much longer than that of an LED lamp. 3. A CFL is less energy-efficient as compared to an LED lamp. Which of the statements given above is/are correct?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗