Circular Economy Keep Value in Use

Duration: 6 min

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Inside: a video lesson and guided study material.

Module outline

  1. Numerical Ability & Problem Solving: Speed Mathematics and Basic Mathematics, Arithmetic, Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Simple Interest and Compound Interest, Mixture and Alligation, Time and Work, Pipe and Cistern, Speed Time and Distance, Age Problems, Partnership, Data Interpretation, Mental Ability, Sequence and Series (Series), Powers and Exponents (Surds and Indices), Algebra, Statistics, Logarithm, Mensuration and Geometry, Permutation and Combination, Probability, Sequences and Series, Powers, Surds and Logarithms, Subject-Verb Agreement, Sentence Completion, Geometry, Sentence Structure and Correction, Data Sufficiency, Trigonometry, Measurement and Quantity Take-Off, Signal Space and Optimum Detection, Probability, Statistics, Algebra, Time and Work, Speed, Time and Distance, Data Interpretation, Combinatorics
  2. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Directions (Direction Test), Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Logical Sequence Of Words, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence, Selection Decision Table (Decision Making), Alphabet and Word Tests, Numerical Reasoning, Number System, Averages, Mixtures and Alligation, Percentages, Series Completion, Analogy and Classification, Patterns in Two-Dimensional Figures, Coding and Decoding, Mathematical Operations, Direction Sense, Logical Deduction and Induction, Syllogisms and Venn Diagrams, Critical Reasoning, Order, Ranking and Sequence, Reading Comprehension, Profit, Loss and Discount, Constraint Puzzles, Traverse Surveying, Ratio and Proportion, Mensuration, Permutations and Combinations, Clocks and Calendars, Assembling and Grouping of Shapes, Transformation of Shapes, Three-Dimensional Patterns and Visualization, Cubes and Dice, Vocabulary, Blood Relations
  3. General Knowledge & Current Affairs (India + Rajasthan): History, Geography, Polity, Indian Economy, Static General Knowledge, State Wise GK, GK- Current Affairs, Environment, Physics
  4. Computer Fundamentals & Operating Systems: Basics of COA, Floating Point Rep, Digital Systems & Boolean Basics, Number Representation, Number System, Introduction to OS, File Management, Windows OS, Unix OS, Linux OS, Register Transfer and Microoperations, Virtual Memory
  5. Computer Networks: Introduction to CN, Data Communication, DLL: Error Control, DLL: Access Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Application Layer, Hardware Basics, Network Security
  6. Cyber Security: Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Electronic Data Interchange and E-Commerce, Physical Security and Cryptography Basics, Intrusion Detection Systems (IDS), Cyber Safety and Security, Ethical Hacking
  7. Programming (C & OOP): C Fundamentals, Control Flow, Arrays & Pointers, Functions, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, OOPS with C++, Operators & Expressions, Sorting Algorithms, Java Fundamentals, Java
  8. MS Office & Data Processing: MS Office Applications, Basics of DBMS
  9. Internet & Web Technology: Society, Law & Ethics, Terms & Abbreviations, Keyboard Shortcuts, Emerging Tech Trends, Artificial Intelligence, Emerging Technologies, Internet Fundamentals, Website, Browser & Services, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture introduces circular economy principles, contrasting linear extract-make-use-discard models with strategies to keep value in use through reduction, reuse, repair, refurbishment, remanufacturing, and recycling. It transitions to applying sustainability in India, noting NITI Aayog's coordination role for SDGs. The session then reviews sustainability history: the 1987 Brundtland definition from Our Common Future, the 1992 Rio Earth Summit with Agenda 21 and Rio Principles, and the 2015 adoption/2016 implementation of Agenda 2030. A rapid revision slide highlights that MDGs number 8, SDGs number 17, and SDG targets total 169. The instructor uses red annotations to circle key terms such as Brundtland definition, Agenda 21, and SDG. Finally, a hand-drawn conceptual map links MDGs to SDG and Task with a document icon, suggesting task-based implementation of goals.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The opening slide is titled "Circular Economy: Keep Value in Use" with a Hindi subtitle and a circular diagram of icons around a green loop. The "Important Points | महत्वपूर्ण बिंदु" list includes Linear economy, Reduce and reuse, Repair refurbish and remanufacture, and Recycle. Red handwritten annotations appear, including the word "Use" with "10-12" and arrows linking circled areas, emphasizing the shift from linear to circular thinking.

  2. 2:00 – 5:00 02:00-05:00

    The lecture explains the circular economy by contrasting it with a linear model, emphasizing keeping products and materials useful for longer through design. It transitions to "Applying Sustainability in India," highlighting local decisions on energy, farming, and water management supporting multiple SDGs. NITI Aayog is introduced as the National Institution for Transforming India, coordinating SDG efforts. The 1987 Our Common Future report and Brundtland definition are discussed, with bilingual English-Hindi text aiding comprehension.

  3. 5:00 – 6:17 05:00-06:17

    A rapid revision slide summarizes SDG milestones: 1987 Brundtland definition, 1992 Rio Earth Summit with Agenda 21 and Rio Principles, and 2015 adoption/2016 implementation of Agenda 2030. The slide states "MDGs: 8; SDGs: 17; SDG targets: 169." The instructor circles key terms in red ink, then transitions to a blank whiteboard where they hand-draw an oval labeled "SDG," another labeled "Task," and write "MDGs" with an arrow pointing to the Task oval, connected by a document icon.

The lecture progresses from conceptual foundations to practical application and historical context. It begins by defining circular economy principles, using visual diagrams and bilingual text to contrast linear and circular models. The instructor emphasizes keeping value in use through design strategies rather than just recycling. The transition to India's sustainability context introduces NITI Aayog's coordinating role, grounding the abstract concept in national policy. The historical review provides essential context: the 1987 Brundtland definition established sustainable development's foundational framework, the 1992 Rio Summit produced Agenda 21 and Rio Principles, and the 2015 Agenda 2030 adopted 17 SDGs with 169 targets, building on the earlier 8 MDGs. The final hand-drawn map visually connects these elements, showing how MDGs evolve into SDGs and translate into specific tasks. Key exam-relevant facts include the numerical distinction between MDGs (8) and SDGs (17), the 169 targets, and the chronological sequence of sustainability milestones. The instructor's red annotations highlight high-yield terms likely to appear in examinations.

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