CBSE PORTAL : ​CBSE 2017-18 Syllabus Class-12 : Legal Studies

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• ​CBSE 2017-18 Syllabus Class-12 : Legal Studies
• CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Optics
• CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Biology Ophthalmic
• CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Air-Conditioning And Refrigeration
• CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Auto Shop Repair And Practice
• CBSE Class-12 Exam 2017 : Marking Scheme, Engineering Graphics
• ​CBSE 2017-18 Syllabus Class-12 : Library and Information Science

​CBSE 2017-18 Syllabus Class-12 : Legal Studies Posted: 21 Jul 2017 10:56 PM PDT CBSE Class-12 Syllabus 2017-18   Subject: Legal Studies   Rationale   The Latin maxim ignorantia juris neminem excusat, in plain, which reads as ‘ignorance of law is not an excuse’. This is one of the age old principles followed under the Roman Law and even in our own Common Law. If every person of discretion is to know what law is, an effort to teach law outside the remit of a professional law school may have significant social benefits. Law is a subject which has been traditionally taught in Universities for almost eight centuries. Learning law outside the settings of a professional law school has a number of perceived benefits. Some familiarity with law enhances one’s understanding of public affairs and an awareness of one’s entitlements and duties as a citizen. It may also be helpful in eliminating some of the mistaken notions about law and some of the inveterate prejudices about law, lawyers and the legal system as such. Another advantage is that an understanding of law can undoubtedly encourage talented students to pursue a career in law – an objective which is laudable in its own right. The pitfalls of learning law outside the settings of a professional school are rooted in two key assumptions: (1) law is too vast and complicated to be taught in a non-professional setting; (2) the lack of professional trainers and experienced teachers could lead to incorrect appreciation and understanding of law. If an understanding of law is mis-formed or ill-formed as some academicians think, it may require greater efforts to unlearn whatever was learnt earlier. Both these criticisms have attracted detailed scrutiny, but at least a few countries have introduced law at the High School level. The experience of countries that have introduced law has been by and large optimistic. The Central Board of Secondary Education is introducing Legal Studies at the Class XI level. The proposal is to introduce one module in Class XI and a second module in Class XII.   Objectives To provide a background of the evolution of the Indian legal system in a short and concise form. To focus on the applicability of justice, equity and good conscience and more importantly the development of Common Law system in India. To provide exposure on various systems of law such as Common Law, Civil Law, Hindu Law, Islamic Law etc. To develop an understanding of the essential features of the Indian Constitution, including the role and importance of Fundamental Rights, Separation of Powers, Structure and operation of Courts, concept of precedent in judicial functioning, the process of legislation, basic principles of statutory interpretation, etc To deal with principles of practical utility such as the concept of Rule of Law, principles of justice, differences between criminal and civil cases, the concept of crime and the fundamental theories of punishment, rights available to the accused at various stages of the criminal investigative process, or the key components of Human Rights, etc. To understand the fundamental concept and subject matter of property, contract and tort. To understand the rudimentary aspects of contract law such as formation of contract, terms and conditions, discharge, etc. To enables students to form an understanding of rights and duties and various categories of liability principles which form the bedrock for an understanding of Law. CLICK HERE TO DOWNLOAD Courtesy: CBSE CBSE Exam Syllabus सीबीएसई बोर्ड कक्षा-12 Syllabus Legal Studies Class-12

CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Optics Posted: 21 Jul 2017 03:14 AM PDT   CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Optics CBSE Class-12 Exam 2017 : Optics कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 3 हैं । प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें । कृपया जाँच कर लें कि इस प्रश्न-पत्र में 5 प्रश्न हैं । कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें । इस प्रश्न-पत्र को पढने के लिए १५ मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाङ्घ में १०.१५ बजे किया जाएगा । १०.१५ बजे से १०.३० बजे तक छात्र केवल प्रश्न-पत्र को प‹ढेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे । Please check that this question paper contains 3 printed pages. Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 5 questions. Please write down the Serial Number of the question before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. प्रकाशिकी (सैद्धान्तिक)​ OPTICS (Theory)   निर्धारित समय : 2 घण्टे, अधिकतम अंक : 30 Time allowed : 2 hours, Maximum Marks : 30   निर्देश : पाँच प्रश्नों में से किन्हीं तीन प्रश्नों के उत्तर दीजिए । Instructions : Attempt any three out of five questions.   १. (i) उत्तल लेन्सों की प्रकाशिकीय प्रतिबिम्ब-विधान का वर्णन कीजिए । आरेख बनाइए । ५ (ii) चश्मों के लेन्सों के स्थिति अन्तरण के सिद्धान्त व क्रियाविधि एवं उसके लाभों का वर्णन कीजिए । ५ (i) Describe the optical imagery of convex lenses. Draw diagrams. (ii) Describe the principle and method of transposition in spectacle lenses and its advantages. २. निम्नलिखित का संक्षेप में वर्णन कीजिए : (i) आँख के प्रकाशिकीय माध्यम । ५ (ii) मोटे शीशों में गोलीय विपथन व इसके हटाने की विधियाँ । ५ Describe the following briefly : (i) Optical media of the eye. (ii) Spherical aberration in a thick glass and the methods to remove it. ३. निम्नलिखित का संक्षेप में वर्णन कीजिए : (i) संरक्षी शीशों (चश्मों) के प्रकार व प्रत्येक के लाभ । ५ (ii) एस्टिग्मेटिज्म (दृष्टि वैषम्य) के प्रकार व इसके उपचार । ५ Describe the following briefly : (i) Types of protective glasses and advantages of each. (ii) Types of astigmatism and its treatment. ४. निम्नलिखित का संक्षेप में वर्णन कीजिए : (i) चश्मों के लेन्स बनाने की घिसाई की मशीनें, यंत्र व सामग्री । ५ (ii) चश्मों के लेन्स के प्रकार व पदार्थ । ५ Describe the following briefly : (i) Grinding machines, tools and materials for making spectacle lens. (ii) Types and material of spectacle lens.   ५. निम्नलिखित पर संक्षिप्त टिप्पणियाँ लिखिए : (i) चश्मों के लेन्स की क्षमता मापन की विधियाँ व इनके लिए उपकरण । ५ (ii) बहुफोकसी लेन्सों के सिद्धान्त, इनके प्रकार व लाभ । ५ Write short notes on the following : (i) Methods to measure the power of spectacle lens and equipments for these. (ii) Principle of multifocal lenses, types and advantages.   Click Here to Download  Courtesy: CBSE CBSE Board Class-XII सीबीएसई बोर्ड कक्षा-12 Papers Class-12

CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Biology Ophthalmic Posted: 21 Jul 2017 03:07 AM PDT   CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Biology Ophthalmic CBSE Class-12 Exam 2017 : Biology Ophthalmic कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 5 हैं । प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें । कृपया जाँच कर लें कि इस प्रश्न-पत्र में 12 प्रश्न हैं । कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें । इस प्रश्न-पत्र को पढने के लिए १५ मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाङ्घ में १०.१५ बजे किया जाएगा । १०.१५ बजे से १०.३० बजे तक छात्र केवल प्रश्न-पत्र को प‹ढेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे । Please check that this question paper contains 5 printed pages. Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 12 questions. Please write down the Serial Number of the question before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. जैविकी नेत्रविज्ञान​ BIOLOGY OPHTHALMIC     निर्धारित समय : 2 घण्टे, अधिकतम अंक : 30 Time allowed : 2 hours, Maximum Marks : 30 भाग क SECTION A सामान्य निर्देश : (i) किन्हीं दस प्रश्नों के उत्तर दीजिए । (ii) सभी प्रश्नों के अंक समान हैं । General Instructions : (i) Attempt any ten questions. (ii) All questions carry equal marks.   १. (क) संयुक्त सूक्ष्मदर्शी (कंपाउंड माइक्रोस्कोप) के विभिन्न अंग क्या-क्या हैं ? समझाइए कि इस सूक्ष्मदर्शी (माइक्रोस्कोप) का उपयोग करने से हमें आवर्धित प्रतिqबब कैसे प्राप्त होता है । २ (ख) प्रतिकृति (रिप्लिकेशन) और प्रतिलिपि (ट्रांसक्रिप्शन) के बीच क्या अंतर है ? १ (a) What are the various parts of a compound microscope ? Explain how we get magnified image using this microscope. (b) What is the difference between replication and transcription ? २. किसी पादप या जंतु कोशिका के किन्हीं तीन कोशिकांगों के नाम लिखिए और उनके प्रकार्यों का वर्णन कीजिए । ३ Name any three organelles of a plant or animal cell, and describe their functions. ३. (क) मेंडल ने उद्यान मटर के साथ प्रजनन के प्रयोग किए जिसमें उसने ऊँचे पौधों को बौने पौधों से संकर कराया । दूसरी पी‹ढी ऋ२ में उसे जो अनुपात मिला वह था १ : २ : १. इस अनुपात की व्याख्या कीजिए ।  (ख) निम्नलिखित में से कौन-सा अन्य दूसरों से मेल नहीं खाता ? कारण लिखिए ।  (i) कोशिका झिल्ली, टोनोप्लास्ट, केंद्रक (ii) ऐडेनीन, पेप्सिन, रेनिन (iii) कोशिका-भित्ति, हरितलवक (क्लोरोप्लास्ट), तारककेन्द्र (सेंट्रियोल) (a) Mendel conducted a breeding experiment with garden pea where he crossed tall plants with dwarf plants. In the second generation F2, the ratio he got was 1 : 2 : 1. Explain the ratio. (b) Which one of the following does not match with the other two ? Write the reason. (i) Cell membrane, Tonoplast, Nucleus (ii) Adenine, Pepsin, Renin (iii) Cell wall, Chloroplasts, Centrioles   Click Here to Download  Courtesy: CBSE CBSE Board Class-XII सीबीएसई बोर्ड कक्षा-12 Papers Ophthalmic Techniques CBSE 12 Class-12

CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Air-Conditioning And Refrigeration Posted: 21 Jul 2017 01:50 AM PDT   CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Air-Conditioning And Refrigeration CBSE Class-12 Exam 2017 : Air-Conditioning And Refrigeration III कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 10 हैं । प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें । कृपया जाँच कर लें कि इस प्रश्न-पत्र में 14 प्रश्न हैं । कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें । इस प्रश्न-पत्र को पढने के लिए १५ मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाङ्घ में १०.१५ बजे किया जाएगा । १०.१५ बजे से १०.३० बजे तक छात्र केवल प्रश्न-पत्र को प‹ढेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे । Please check that this question paper contains 10 printed pages. Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 14 questions. Please write down the Serial Number of the question before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. वातानुकूलन एवं प्रशीतन - III (सैद्धान्तिक) AIR-CONDITIONING AND REFRIGERATION – III (Theory)   निर्धारित समय : 2 घण्टे, अधिकतम अंक : 40 Time allowed : 2 hours, Maximum Marks : 40 भाग क SECTION A निर्देश : भाग क से किन्हीं पन्द्रह प्रश्नों के उत्तर दीजिए । Instructions : Attempt any fifteen questions from Section A.   १. सही उत्तर का चयन कीजिए : १x१५=१५ Choose the correct answer : (i) साइक्रोीट्रिक चार्ट पर ऊध्र्वाधर तथा एकसमान अन्तराली रेखाएँ क्या दर्शाती हैं ? (क) ड्राई बल्ब तापमान (ख) आद्र्र बल्ब तापमान (ग) ओसांक (ड्यू पॉइन्ट) तापमान (घ) स्पेसिफिक ह्यूमिडिटी The vertical and uniformly spaced lines on a psychrometric chart indicate (a) dry bulb temperature (b) wet bulb temperature (c) dew point temperature (d) specific humidity (ii) ड्राई बल्ब तापमान तथा आद्र्र (वेट) बल्ब तापमान के बीच अन्तर को क्या कहते हैं ? (क) ड्राई बल्ब डिप्रेशन (ख) आद्र्र (वेट) बल्ब डिप्रेशन (ग) ड्यू पॉइन्ट डिप्रेशन (घ) डिग्री ऑफ सैचुरेशन The difference between the dry bulb temperature and the wet bulb temperature is called (a) dry bulb depression (b) wet bulb depression (c) dew point depression (d) degree of saturation Click Here to Download  CBSE Class-12 Exam 2017 : Air-Conditioning And Refrigeration IV वातानुकूलन एवं प्रशीतन - IV (सैद्धान्तिक) AIR-CONDITIONING AND REFRIGERATION – IV (Theory)   निर्धारित समय : 2 घण्टे, अधिकतम अंक : 40 Time allowed : 2 hours, Maximum Marks : 40 भाग क SECTION A निर्देश : किन्हीं तेरह प्रश्नों के उत्तर दीजिए । Instructions : Attempt any thirteen questions    १. पूर्ण वातानुकूलन के लिए निम्नलिखित में से कौन-सा अति आवश्यक है ? १ (i) तापमान का नियंत्रण (ii) तापमान तथा आद्र्रता का नियंत्रण (iii) तापमान, आद्र्रता तथा वायु की गुणवत्ता का नियंत्रण Which of the following is essential for complete air-conditioning ? (i) Control of temperature (ii) Control of temperature and humidity (iii) Control of temperature, humidity and air quality २. निम्नलिखित में से कौन-सा वातानुकूलन के लिए प्रयोग में नहीं लाया जाता है ? १ (i) पंखे (ii) ब्लोअर्ज (iii) एग्झॉस्टर (iv) कम्प्रेसर Which of the following is not used in air-conditioning ? (i) Fans (ii) Blowers (iii) Exhauster (iv) Compressor ३. एक खिडकीनु ा एयर-कंडीशनर में निम्नलिखित में से कौन-सा कम्प्रेसर प्राय: प्रयोग में लाया जाता है ? १ (i) रोटरी कम्प्रेसर (ii) रेसिप्रोकेqटग कम्प्रेसर (iii) हरमेटिकली सील्ड कम्प्रेसर (iv) स्क्रू कम्प्रेसर Which of the following compressors is usually used in a window type air-conditioner ? (i) Rotary compressor (ii) Reciprocating compressor (iii) Hermetically sealed compressor (iv) Screw compressor Click Here to Download  Courtesy: CBSE CBSE Board Class-XII सीबीएसई बोर्ड कक्षा-12 Papers AC and Refrigeration CBSE 12 Class-12

CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Auto Shop Repair And Practice Posted: 21 Jul 2017 01:06 AM PDT   CBSE Class-12 Exam 2017 : All India Scheme Question Paper, Auto Shop Repair And Practice CBSE Class-12 Exam 2017 : Auto Shop Repair And Practice कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 7 हैं । प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें । कृपया जाँच कर लें कि इस प्रश्न-पत्र में 21 प्रश्न हैं । कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें । इस प्रश्न-पत्र को पढने के लिए १५ मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाङ्घ में १०.१५ बजे किया जाएगा । १०.१५ बजे से १०.३० बजे तक छात्र केवल प्रश्न-पत्र को प‹ढेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे । Please check that this question paper contains 7 printed pages. Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 21 questions. Please write down the Serial Number of the question before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. ऑटो शॉप रिपेयर एण्ड प्रैक्टिस (सैद्धान्तिक) AUTO SHOP REPAIR AND PRACTICE (Theory)   निर्धारित समय : 2.5 घण्टे, अधिकतम अंक : 50 Time allowed : 2.5 hours, Maximum Marks : 50   GROUP-A १. ऑटो ोबाइल उपकरणों की मरम्मत करते समय ‘‘सर्विस मैनुअलङ्कङ्क का उपयोग १ (क) बहुत अधिक कठिन है (ख) बहुत आसान है (ग) कम समय माँगता है (घ) अधिक समय माँगता है The use of ‘‘Service Manual’’ to repair automobile equipments (a) is much more difficult (b) is much easier (c) requires less time (d) requires more time    २. प्रत्येक गाडी के साथ गाडी बनाने वाली कम्पनी का ‘‘सर्विस मैनुअलङ्कङ्क होता है; जो देता है १ (क) मरम्मत का विस्तृत तरीका (ख) बेकार की जानकारी (ग) गा‹डी को ठीक प्रकार से रखने के विषय में मूलभूत चरण (घ) उपर्युक्त में से कोई नहीं Every vehicle has a ‘‘Service Manual’’ of the manufacturer; that gives (a) detailed repair procedure (b) useless information (c) basic steps for good upkeep of the vehicle (d) None of the above   ३. ‘‘वेल्डिंग प्रक्रियाङ्कङ्क किन्हीं भी दो भागों को जो‹डने वाली प्रक्रिया होती है, जो कहलाती है १ (क) अस्थायी जोड प्रक्रिया (ख) स्थायी जोड प्रक्रिया (ग) अत्यधिक प्रभावी जोड प्रक्रिया (घ) उपर्युक्त में से कोई नहीं Joining any two parts by the ‘‘Welding Process’’ is called (a) Temporary Fastening Process (b) Permanent Fastening Process (c) More Effective Fastening Process (d) None of the above   ४. निम्नलिखित में से कौन-सा ऑटो ोबाइल फास्टनर नहीं है ? १ (क) यू-बोल्ट (ख) रिवेट (ग) जाम नट (घ) टाई रॉड Which of the following is not an Automobile Fastener ? (a) U-Bolt (b) Rivet (c) Jam Nut (d) Tie Rod   Click Here to Download  Courtesy: CBSE CBSE Board Class-XII सीबीएसई बोर्ड कक्षा-12 Papers Auto Shop Repair and Practice Class-12

CBSE Class-12 Exam 2017 : Marking Scheme, Engineering Graphics Posted: 21 Jul 2017 12:21 AM PDT CBSE Class-12 Exam 2017 : Marking Scheme Question Paper, Engineering Graphics CBSE Class-12 Exam 2017 :  Engineering Graphics (Delhi) Senior School Certificate Examination – 2017 Subject : ENGINEERING GRAPHICS Sub Code : 046 Paper Code : 68/1 ALL QUESTIONS ARE TO BE ANSWERED CORRECTLY AND ACCURATELY. General Note: a) Marks are to be awarded in proportion to the work done. b) Mistakes in dimensioning up to ± 1.0 mm may be ignored. c) In dimensioning, arrow-heads of various types, as per SP: 46-2003 codes are acceptable. However, where space is too small for an arrowhead, oblique stroke or dot may be employed. d) In question no. 2 and in sectioned view of question no. 4, if hidden edges / lines are drawn, no marks should be deducted. e) Other standard methods of drawing / proportions for features like nuts, heads of bolts, screws etc. employed by examinees, may also be accepted. VALUE POINTS Distribution of Marks Q 1. MULTIPLE CHOICE QUESTIONS 5 (i) (d) or Thin Continuous Lines. 1 (ii) (a) or External square threads. 1 (iii) (a) or To facilitate the withdrawal of the key without disturbing the setting of the Hub.1 (iv) (b) or To support the moving shaft. 1 (v) (c) or Key. 1 Q 2. (i) ISOMETRIC SCALE 4 (i) Marking of divisions of 10 mm, including division of first part of 1 mm on true length.1 (ii) Projections from scale 1:1 to get points on isometric scale,construction of isometric scale.2 (iii) Printing ‘True Length/Scale 1:1’, ‘Isometric Length/Isometric Scale’ and marking angles of 30 o & 45o. Click Here to Download CBSE Class-12 Exam 2017 :  Engineering Graphics (Outside) Senior School Certificate Examination – 2017 Subject : ENGINEERING GRAPHICS Sub Code : 046 Paper Code : 68 ALL QUESTIONS ARE TO BE ANSWERED CORRECTLY AND ACCURATELY. General Note: a) Marks are to be awarded in proportion to the work done. b) Mistakes in dimensioning up to ± 1.0 mm may be ignored. c) In dimensioning, arrow-heads of various types, as per SP: 46-2003 codes are acceptable. However, where space is too small for an arrowhead, oblique stroke or dot may be employed. d) In question no. 2 and in sectioned view of question no. 4, if hidden edges / lines are drawn, no marks should be deducted. e) Other standard methods of drawing / proportions for features like nuts, heads of bolts, screws etc. employed by examinees, may also be accepted. VALUE POINTS Distribution of Marks Q 1. MULTIPLE CHOICE QUESTIONS 5 (i) (b) or Orthographic Projection. 1 (ii) (b) or J. 1 (iii) (d) or 3d. 1 (iv) (c) or To hold the jaws of the fork from opening wide when the cotter is inserted. 1 (v) (d) or A combination of pulleys and belt. 1 Q 2. (i) ISOMETRIC SCALE 4 (i) Marking of divisions of 10 mm, including division of first part of 1 mm on true length. 1 (ii) Projections from scale 1:1 to get points on isometric scale, construction of isometric scale. 2 (iii) Printing ‘True Length/Scale 1:1’, ‘Isometric Length/Isometric Scale’ and marking angles of 30 o & 45o. 1 (ii) ISOMETRIC PROJECTION OF A FRUSTUM OF A INVERTED TRIANGULAR PYRAMID 7 (i) Drawing helping figure of both triangles. 11/2 (ii) Drawing isometric triangle, on top and at the base. 2 (iii) Drawing three slant edges. 11/2 (iv) Marking the vertical axis (1/2) and direction of viewing (1/2). 1 (v) Dimensions. 1 NOTE: For incorrect position, 1 mark should be deducted. (iii) ISOMETRIC PROJECTION OF A PENTAGONAL PRISM PLACED, CENTRALLY, ON A HEMISPHERE13 HEMISPHERE 6 (i) Drawing isometric ellipse (21/2) along with centre lines (1/2). 3 (ii) Drawing semicircular portion of hemisphere. 11/2 (iii) Marking the vertical axis. 1/2 (iv) Dimensions. 1 PENTAGONAL PRISM 7 (i) Drawing helping figure. 1 (ii) Drawing both isometric pentagons. 2 (iii) Drawing vertical edges. 2 (iv) Marking the vertical axis (1/2) and direction of viewing (1/2). 1 (v) Dimensions. 1 NOTE: For incorrectly placed solids, deductions, as proposed in (ii) above, should be used. Q 3. (i) KNUCKLE THREAD PROFILE 8 (i) Horizontal distances (equal to half of pitch), vertical distance(0.5P) marked correctly.2 (ii) Semicircular profile for crests and roots of threads (minimumtwo), drawn correctly.3 (iii) Drawing hatching lines. 1 (iv) Standard dimensions Click Here to Download Courtesy: CBSE CBSE Board Class-XII सीबीएसई बोर्ड कक्षा-12 Marking Scheme Engineering Graphics CBSE 12 Class-12

​CBSE 2017-18 Syllabus Class-12 : Library and Information Science Posted: 20 Jul 2017 11:40 PM PDT CBSE Class-12 Syllabus 2017-18   Subject: Library and Information Science As pointed out in the National Curriculum Framework (NCF) 2005, “it is important that future planning treats the library as an essential component of the school at all levels. Both teachers and children need to be motivated and trained to use the library as a resource for learning, pleasure and concentration”. Library & Information Science Course at Senior Secondary level which will fulfil the requirement of developing necessary skills, in learners to identify, locate, evaluate and use the required information efficiently. One of the important aspects of this curriculum is to improve the education system for Library and Information Science at school level which may be equivalent to Diploma holders in Library and Information Science.   Objectives: The objectives of the Course at senior secondary level are to develop among the students the following: the basic understanding of theory and practice of Library & Information Science; knowledge and skill to pursue the subject for higher education in future; and basic skills to work as Semi Professionals in a Library, which may be considered at par with the diploma course in LIS subject. Class XII Module-1: Library Management (Marks 20/ Periods 40) Objective: The objective is to provide an understanding about the management of a library and its activities. The module is divided into the following units:   Unit 1A: Developing Document Collection and its Management Selection, Organization of Documents, Stack Maintenance, Stock Verification.   Unit 1B: Human Resources Managment Staff Structure, Categorization.   Unit 2: Functions of different sections of a Library Acquisition, Technical Processing (Classification, Cataloguing), Circulation, Periodicals, Binding and Preservation. Module-2: Organization of Library Resources: Advanced (Marks 25/ Periods 50) Objective: The objective is to provide an understanding of Classification and Cataloguing systems. The module is divided into the following units: Unit-1: Library Classification Main Classes and their subdivisions. Concept of Personality, Matter, Energy, Space and Time (PMEST). Steps for Classification by Dewey Decimal Classification (DDC). Book Number, Call Number   Unit-2: Library Cataloguing Cataloguing according to Anglo American Cataloguing Rules (AACRII) and Machine Readable Catalogue 21 (MARC 21).   CLICK HERE TO DOWNLOAD Courtesy: CBSE CBSE Exam Syllabus Syllabus Library Science Class-12

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