CBSE PORTAL : “(Download) CBSE Class-12 Sample Paper 2019-20 : Engineering Science” plus 3 more | |
- (Download) CBSE Class-12 Sample Paper 2019-20 : Engineering Science
- (Download) CBSE Class-10 Sample Paper And Marking Scheme 2019-20: (Introduction To Financial Markets)
- CBSE Class-12 Exam 2019 : Marking Scheme, English Elective (C&N)
- CBSE Class-10 Exam 2019 : Marking Scheme, Sanskrit
| (Download) CBSE Class-12 Sample Paper 2019-20 : Engineering Science Posted: 10 Jan 2020 10:50 PM PST
(Download) CBSE Class-12 Sample Paper 2019-20 : Engineering Science
(Group A)Q1 Which one among the following represents a permanent fastener? Q2 The number of cotters used in an assembly of sleeve and cotter joint are Q3 Which is the modified form of square thread? Q4 What is the width of the Rectangular Sunk Key, if the diameter of the shaft is D? Q5 True shape can be obtained on a plane _________________ to the section plane Q6 The projection of a cut portion of the solid on HP is called sectional. Q7 A vertical cone is cut by a horizontal section plane, the resulting cut solid is Q8 A coupling is a mechanical device that temporarily joins two rotating shafts Q9 Where is friction coupling used Q10 In drawing the development of objects, true lengths are used. Q11 Name the methods of development of right solids. Q12 To develop the surfaces of pyramids, it is necessary to find _________ of the slant edges when they are not parallel to reference plane. (Group B)Q13 What is sectioning? Give two examples where sectioning is used Q14 Draw the development of the cube of side 50mm Q15 Develop the surface of a cone of base diameter 50 mm and 60 mm axis. Q16 What are permanent fasteners and where are they used Q17 Draw the free hand sketch of Any key Q18 What do you understand by coupling and what are the various types of flanged couplings? Q19 What is cotter? (Group C)Q20 A sphere of 40 mm diameter is cut by a vertical section plane ,which passes through it at a distance of 10 mm from its centre .Draw the sectional front view and top view Q21 A cone, base 50 mm diameter and axis 60 mm long has its axis parallel to VP and inclined at 45° to HP. It is cut by a horizontal section plane passing through the mid-point of the axis. Draw Front View, sectional Top View and true shape of the section. Q22 Draw the development of the hexagonal pyramid of base 30 mm ,and height60mm is resting on its base on the ground with two of its base edges parallel to V.P. Q23 Define the terms “ External thread” and ”internal thread” with the help of diagram. Q24 What do you understand by the self locking of the cotter? Show with neat sketch. Q25 Where do we use coupling .Draw a free hand sketch of box muff coupling. Q26 Draw a free hand sketch of flanged coupling. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| CBSE Class-12 Exam 2019 : Marking Scheme, English Elective (C&N) Posted: 10 Jan 2020 10:43 PM PST |
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| SECTION A (READING) | TOTAL MARKS 20 |
| 1 | COMPREHENSION PASSAGE | 10 MARKS |
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| The question has been designed to test a student’s understanding of the passage and his / her ability to interpret, evaluate and respond to the given passage. As such, content assumes more importance than expression in the answers to these questions. Please do not hesitate to award full marks if the answer deserves it. |
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| Objective: To identify and understand main parts of the text. Note: -No penalty for spelling and grammatical errors -Full marks to be awarded if a student has been able to identify the core ideas. -If a student literally lifts a portion of a given passage as an answer to a question, no mark(s) to be deducted for this as long as it is relevant. -Accept any other answer equivalent in meaning to the answers given below. |
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| 1.1 (a) | Space travel for recreational or leisure purposes | 1 mark |
| (b) | hotels would be built on the moon by the year 2000/families would go for a holiday on the moon in the 21st century | 1 mark |
| (c) | Space Adventures | 1 mark |
| (d) | American businessman, Dennis Tito | 1 mark |
| (e) | -space ports are being constructed -to make it more affordable, suborbital space travel is being considered | 1 mark |
| (f) | can speed up the process of global warming / ozone layerwould be damaged further and the polar regions would suffer /only a possibility for the super-rich (any two) | ½ + ½ =1 mark |
| 1.2 (a) | (ii) relaxation | 1 mark |
| (b) | (i) reasoned | 1 mark |
| (c) | (iv) assist | 1 mark |
| (d) | (iii) course | 1 mark |
| 2 (a) | NOTE MAKING Objective: 1. To develop the skill of taking down notes. 2. To develop the extracted ideas into a sustained piece of writing. | 10 marks |
| (a) | Distribution of Marks Title Abbreviations /Symbols (with / without key) – minimumfour Content (minimum 3 headings and subheadings, with proper indentation and notes) | 1 mark 1 mark
4 marks |
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| IMPORTANT INSTRUCTIONS The notes provided below are only guidelines. Any other title, main points and sub points should be accepted if they are indicative of students’ understanding of the given passage and the notes include the main points with suitable and recognisable abbreviations. Complete sentences should not be accepted as notes. Numbering of points can be indicated in different ways and these should be accepted as long as they follow a consistent pattern. |
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| Note: · If a student has attempted only the summary or the notes, due credit should be given. · 1 mark allotted for the title to be given if the student has written the title either in Q.2(a) or Q.2(b) |
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| Title: HYPERTENSION / HIGH BLOOD PRESSURE |
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| 1. Causes of High Blood Pressure and its effects 1.1 unhealthy increase in BP 1.2 narrow arteries increase resistance to flow of blood 1.2.1 high BP can cause heart disease 2. Symptoms of hypertension-silent condition 2.1 headache 2.2 shortness of breath 2.3 nose bleed 2.4 dizziness 2.5 chest pain 2.5.1 could be fatal 3. Types of hypertension 3.1 primary hypertension 3.1.1 no particular cause 3.1.2 factors-genes/physical changes/environ’t 3.2 secondary hypertension 3.2.1. caused by side effects of medication / 3.2.2 consumption of alcohol / drugs 3.2.3 adrenal gland prob. 3.3 more severe than prim. hypertension 4. Diagnosis of hypertension 4.1 through blood pressure read’g. 4.2 urine / blood test / cholesterol screen / ECG / ultrasound 4.3 helps in identifying secondary issues 4.4 to assess the impact on other organs 4.5 early treatment reduces lasting damage 4.6 avoids complications of hypertension |
4 marks |
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CBSE Class-12 Exam 2019 : English Elective (N)
SENIOR SCHOOL CERTIFICATE EXAMINATION
May 2019
MARKING SCHEME ENGLISH (ELECTIVE) (N) CLASS XII CODE NO. 28
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| SUGGESTED VALUE POINTS |
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| SECTION A: READING | 20 marks |
| 1(A) | OBJECTIVE: Testing comprehension of an unseen passage |
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| COMPREHENSION PASSAGE NOTE: No mark(s) should be deducted for mistakes in usage and grammar, spelling,or word limit. Full marks may be awarded if a student has been able to identify the core ideas. If a student literally lifts a portion of the given passage as an answer to a question, no mark(s) to be deducted for this as long as it is relevant. | 10 marks |
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(a) | - the home of money lender/ Lala Ram Lal - sikh temple - mosque (any two) | ½ + ½ =1 mark |
| (b) | at the western end of the village | 1 mark |
| (c) | goods trains/ slow passenger trains | 1 mark |
| (d) | the local deity, the ‘deo’ | 1 mark |
| (e) | rivers change their moods with seasons/ change their course without warning | 1 mark |
| (f) | food, betel leaves, cigarrete, tea, biscuits and sweetmeats | 1 mark |
| (g) | waves a green flag, lights the lamps in the evening and brings them back in the morning | ½ + ½ =1 mark |
| (h) | the whistle of and puffing of engines, the banging of buffers, the clanking of iron couplings | ½ + ½=1 mark |
| (i) | narrow | 1 mark |
| (j) | sluggishly | 1 mark |
| 1(B) | OBJECTIVE: Interpretation and appreciation of an unseen poem |
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| COMPREHENSION PASSAGE NOTE: No mark(s) should be deducted for mistakes in usage and grammar, spelling,or word limit. Full marks may be awarded if a student has been able to identify the core ideas. If a student literally lifts a portion of the given passage as an answer to a question, no mark(s) to be deducted for this as long as it is relevant. |
10 marks |
| (a) | change is constant and inevitable; the old is replaced by the ‘new’the world is moving | 1 +1=2 marks |
| (b) | pray for his soul to rest in peace remember his behaviour and good deeds etc | 1 +1=2 marks |
| (c) | Simile | 2 marks |
| (d) | humans have brains/ wisdom they can pray | 1 +1=2 marks |
| (e) | yielding friend | 2 marks |
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Courtesy: CBSE
CBSE Class-10 Exam 2019 : Marking Scheme, Sanskrit
Posted: 10 Jan 2020 10:42 PM PST

CBSE Class-10 Exam 2019 : Marking Scheme
Question Paper Sanskrit
CBSE Class-10 Exam 2019 : Sanskrit (Delhi)
सीनियर स्कूल सर्टीफिकेट परीक्षा
मार्च - 2019
अंक योजना (Marking Scheme) X Class 2019
(Sanskrit) संस्कृत 122 Code 52

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Courtesy: CBSE
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