Science & Technology·Prelims Questions

Battery Technology — Prelims Questions

Constitution VerifiedUPSC Verified
Version 1Updated 10 Mar 2026
Q1medium

Which of the following statements about Lithium-ion (Li-ion) batteries is/are correct? 1. They generally have a higher energy density compared to lead-acid batteries. 2. They are prone to a phenomenon called 'memory effect'. 3. Lithium Iron Phosphate (LFP) chemistry offers better thermal stability than Nickel Manganese Cobalt (NMC) chemistry. Select the correct answer using the code given below:

Q2medium

Consider the following statements regarding India's Battery Waste Management Rules, 2022: 1. The rules introduce the concept of Extended Producer Responsibility (EPR) for battery producers. 2. They mandate the use of only pyrometallurgical processes for battery recycling. 3. The rules aim to promote the use of recycled materials in the production of new batteries. Which of the statements given above is/are correct?

Q3easy

Which of the following is NOT a primary function of a Battery Management System (BMS) in an electric vehicle battery pack?

Q4hard

Consider the following pairs: 1. Energy Density: Amount of energy stored per unit volume. 2. Power Density: Rate at which energy can be delivered per unit mass. 3. C-rate: Number of charge-discharge cycles a battery can withstand. Which of the pairs given above is/are correctly matched?

Q5medium

Which of the following statements best describes the primary advantage of Solid-State Batteries over traditional Lithium-ion batteries with liquid electrolytes?

Featured
🎯PREP MANAGER
Your 6-Month Blueprint, Updated Nightly
AI analyses your progress every night. Wake up to a smarter plan. Every. Single. Day.
Ad Space
🎯PREP MANAGER
Your 6-Month Blueprint, Updated Nightly
AI analyses your progress every night. Wake up to a smarter plan. Every. Single. Day.