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ISC
INDIAN SCHOOL CERTIFICATE
EXAMINATION
YEAR 2028
ENGINEERING SCIENCE
(867)
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Developed by:
Research, Development and Curriculum Division (RDCD)
CISCE
January 2026
____________________________________________________________________________________________
© Copyright, Council for the Indian School Certificate Examinations
All rights reserved. The copyright to this publication and any part thereof solely vests in the Council for the Indian
School Certificate Examinations. This publication and no part thereof may be reproduced, transmitted, distributed or
stored in any manner whatsoever, without the prior written approval of the Council for the Indian School Certificate
Examinations.
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Council for the Indian School Certificate Examinations (CISCE)
MISSION STATEMENT
The Council for the Indian School Certificate
Examinations is committed to serving the nation's
children, through high quality educational
endeavours, empowering them to contribute towards
a humane, just and pluralistic society, promoting
introspective living, by creating exciting learning
opportunities, with a commitment to excellence.
ETHOS OF CISCE
Trust and fair play.
Minimum monitoring.
Allowing schools to evolve their own niche.
Catering to the needs of the children.
Giving freedom to experiment with new ideas
and practices.
Diversity and plurality - the basic strength for
evolution of ideas.
Schools to motivate pupils towards the
cultivation of:
Excellence - The Indian and Global
experience.
Values - Spiritual and cultural - to be the bedrock
of the educational experience.
Schools to have an 'Indian Ethos', strong roots in
the national psyche and be sensitive to national
aspirations.
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CLASS XII
There will be two papers in the subject:
Paper I - Theory: 3 hours…… 80 Marks
Paper II - Project Work ……. 20 Marks
PAPER I (THEORY) : 80 Marks
Note: All questions will be set in the S.I. System. The unit abbreviations to be used in all question papers in
this subject will be those contained in the Guide to the use of International System (SI) units SP; 5-1969
(Published by the Indian Standards Institution).
1. Strength of materials. Simple problems. Hooke's law, stress and strain. Young's modulus. Tension and
compression. Elastic limit. Ultimate strength. Factors of safety.
2. Friction. Conditions affecting friction. Lubrication. Conditions should include types of materials, their
surface finish and wetness or dryness.
3. Limiting friction. Coefficients of friction.
4. Work. Work done by constant and by varying force; graphical representation of and calculations thereon.
Energy, potential and kinetic. Conservation of energy and conversion into work, work done in rotation.
Torque.
5. Machines. Simple single-string pulley systems. Simple and differential wheel and axle. Weston pulley
block. Screw jack. Worm (single start thread and wheel). Gear and belt drives. Velocity ratio, mechanical
advantage and efficiency.
6. Power. Simple treatment of steam and internal combustion engines. Indicators diagrams. Indicated mean
effective pressure. Indicated and brake horsepower. Methods of measurement of power. Rope brake and
Prony brake. Hydraulic power (as given by the product of constant pressure and rate of volume change).
Mechanical efficiency. Relationship between rev/min and working strokes per minute in double-acting
steam engines and in two and four-stroke internal combustion engines. The oscillating cylinder steam engine
is not required.
7. Momentum. Conservation of momentum, including rate of change of momentum and relationship with mass
and acceleration. Knowledge of coefficient of restitution is not required.
8. Magnetism. Magnetic properties of iron and steel. The magnetic circuit; qualitative treatment only, with
examples from transformers and machines. The compass needle. Magnetic effect of current in straight wire,
single turn coil and solenoid, treated qualitatively. Electromagnets and their simple applications. Relation of
direction of current in conductor and lines of magnetic force applied. Examples of the application of
electromagnets to include electric trembler bell and relay.
9. The simple circuit. Conductors and insulators. Electromotive force, potential difference, current, quantity
and resistance; the volt, ampere, coulomb ampere-hour and ohm. Ohm's law. Measurement of resistance,
including Wheatstone bridge, Resistivity. Resistors in series and in parallel.
10. Heating effect of current. Energy and power. Conversion of electrical to mechanical energy and vice versa.
The joule, watt, and kilowatt-hour. Simple applications of heating effect. Effect of temperature on
resistance. Temperature coefficient. Examples to include various domestic heating appliances and filament
lamps.
11. Chemical effect of current field. Electrolytes. Electrolysis. Electrochemical equivalent. Production of
current by chemical action. Simple voltaic cell. Primary and secondary cells. Polarisation: prevention and
removal. Cells in series and in parallel. Chemical equations are not required.
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12. Current-carrying conductor in magnetic field. The D.C. motor including series and shunt windings.
Galvanometers, voltmeters and ammeters. Shunts and multipliers. A qualitative treatment of multiple D.C.
motors is included.
13. Electromagnetic induction: the laws of induction. Back e.m.f. of motor. Starting resistance for D.C. motor.
Simple A.C. and D.C. generators. Relation of direction of lines of force, motion of conductor and current in
coil. Eddy currents. Transformers. The induction coil; the coil ignition system. A qualitative treatment of
multipole D.C. generators is included.
PAPER II (PROJECT WORK) : 20 Marks
In addition to the syllabus prescribed above, candidates are also required to be assessed in Project Work.
PROJECT WORK FOR CLASS XII
The Project work will be assessed by the subject teacher and the Visiting Examiner appointed locally and
approved by CISCE.
All candidates will be required to have completed two projects from any topic/s covered in theory.
Mark allocation for each project (10 marks) *:
Criteria Marks
1. Title of the Project and Introduction 1
2. Content 3
3. Presentation and originality 2
4. Conclusion/Comments/Summary 1
5. Viva-Voce (Visiting Examiner) 3
TOTAL 10
List of suggested assignments for Project Work:
1. Show mathematically that the energy of a simple pendulum is conserved. Also draw and interpret the
following for the same:
(i) displacement-time graph
(ii) kinetic energy-displacement graph
(iii) potential energy-displacement graph
(iv) total (mechanical) energy and displacement graph.
2. Study and represent graphically the work done on a body of mass m under the action of a constant force and
by a varying force. Show calculations and discuss.
3. Study the fundamental forces in nature governing the diverse phenomena of the macroscopic and
microscopic world. Discuss the progress related to the unification of these forces.
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4. You have studied about the strength of materials. In this context, discuss the following:
(i) Stress and strain, their types, Hooke’s law, Young’s modulus, elastic limit, permanent set and ultimate
strength.
(ii) Take a stress-strain curve for a metal and mark the relevant points on the graph.
(iii) Is it correct that a material that stretches more is more elastic? Discuss with examples.
5. Observe any five surfaces at home:
(i) Which surface produces more friction, and which produces less friction (on the basis of type of material,
surface finish, dryness/wetness). Discuss giving reasons.
(ii) Frictional force opposes relative motion (impending or actual) between two surfaces in contact. Discuss.
Also, show graphically the relation between force applied F and force of static friction f s , / force of
kinetic friction f k for any pair of surfaces in contact.
(iii) A block of wood is given a push which slides along a horizontal, flat table surface, coming to a stop.
Discuss what happens to the momentum of the block?
(iv) A ball rolls without slipping on a perfectly flat plane of infinite extent. Will it roll forever? Discuss.
(v) Discuss advantages and disadvantages of friction in daily life.
6. Observe ten articles at home (five simple machines and five articles in which a combination of machines is
being used) such as plier, scissors, knife, cycle/motorcycle, ramp, steering wheel, roller of the cord for
blinds, juicer/mixer/blender, etc. For each of the articles selected:
(i) Identify the type of machine/s used.
(ii) Draw simple diagrams for each item selected and mark the load, effort and fulcrum. Write expressions
for mechanical advantage, velocity ratio and efficiency.
(iii) Discuss briefly the utility of each type of machine used.
7. Study electricity bills of your home issued by the electricity department from January to December. Prepare
a month wise analysis of units of electricity consumed and bill paid in a tabular form. Represent the same
graphically. Suggest some ways in which you can economise electricity consumption at home.
8. Observe a transformer installed in your locality and draw its labelled diagram. Discuss the principle on
which it works and the reasons for energy losses. Find out the transmission and distribution mode of
electrical energy from a power plant to a consumer. Discuss its pros and cons.
9. Assemble a household circuit comprising three bulbs, three on/off switches, a fuse, and a power source from
the given materials (Three bulbs (6V,1W) each, main switch of a power supply (battery eliminator), three
switches, fuse (0.6A), connecting wires with red and black plastic coating, fuse wire, a plier and a cutter).
Draw a circuit diagram of the actual layout and write the theory and procedure involved.
NOTE: No question paper for Project work will be set by CISCE.
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SAMPLE TABLE FOR PROJECT WORK
S. Unique PROJECT 1 PROJECT 2 TOTAL
No. Identification MARKS
Number A B C D E F G H I J
(Unique ID) Teacher Visiting Average Viva- Total Teacher Visiting Average Viva- Total (E + J)
of the Examiner Marks Voce by Marks Examiner Marks Voce by Marks
candidate (A + B Visiting (C + (F + G Visiting (H +
÷ 2) Examiner D) ÷ 2) Examiner I)
7 7 Marks 7 Marks 3 10 7 7 Marks 7 3 Marks 10 20
Marks Marks Marks Marks Marks Marks Marks
1
2
3
4
5
6
7
8
9
10
*For breakup of the 7 Marks to be awarded separately by the Teacher and the Visiting Examiner, please refer to the table giving the criteria for mark allocation
for each project.
NOTE: VIVA-VOCE (3 Marks) for each Project is to be conducted only by the Visiting Examiner and should be based on the Project only.
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