CBSE Class 11 Sample Paper 2026 Solution for Automotive

CBSE BOARD

SAMPLE
PAPER
2026

DOWNLOAD

CBSE|DEPARTMENT OF SKILL EDUCATION
AUTOMOTIVE (SUBJECT CODE-804)
MARKING SCHEME FOR CLASS XI (SESSION 2025-2026)
Max. Time: 3 Hours Max. Marks: 60

General Instructions:
1. Please read the instructions carefully.

2. This Question Paper consists of 24 questions in two sections–Section A & Section B.

3. Section A has Objective type questions whereas Section B contains Subjective type questions.

4. Out of the given (6+18=) 24 questions, a candidate has to answer (6+11=) 17 questions in

the allotted (maximum) time of 3 hours.

5. All questions of a particular section must be attempted in the correct order.

6. SECTION A-OBJECTIVE TYPE QUESTIONS (30 MARKS):

i. This section has 06 questions.

ii. There is no negative marking.

iii. Do as per the instructions given.

iv. Marks allotted are mentioned against each question/part.

7. SECTION B–SUBJECTIVE TYPE QUESTIONS (30 MARKS):

v. This section contains 18 questions.

vi. A candidate has to do 11 questions.

vii. Do as per the instructions given.

viii. Marks allotted are mentioned against each question/part.

Page 1 of 8

SECTION A: OBJECTIVE TYPE QUESTIONS
Source Material Page no.
Unit/Chap.
Q. No. QUESTION (NCERT/PSSCIVE/ of source Marks
No.
CBSE material
Study Material)
Q.1 Answerany4 outofthegiven6questionsonEmployabilitySkills(1x4=4marks)
i. Use straight words NCERT 1 9 1
ii. Social loafing CBSE 2 21 1
iii. external NCERT 2 95 1
iv. Ctrl + n NCERT 3 109 1
v. Perseverance NCERT 4 147 1
vi. Using new technologies NCERT 5 188 1
Q.2 Answerany5outofthegiven7questions(1x5=5marks)
i. Mileage and pickup CBSE 1 6 1
ii. Resistances CBSE 2 38 1
iii. Differential unit CBSE 2 38 1
iv. Disengaged CBSE 3 46 1
v. Driving thrust CBSE 4 58 1
vi. Means of friction CBSE 6 82 1
vii. Filler gauge CBSE 6 91 1
Q.3 Answerany6outofthegiven7questions(1x6=6marks)
i. Gasket oil seal CBSE 1 8 1
ii. To help in rotating wheels on CBSE 2 40 1
different speed on turn
iii. 2000km–3500km CBSE 2 28 1
iv. Light alloy wheel CBSE 4 58 1
v. RUBBER PLUGGING CBSE 5 70 1
vi. HIGH CBSE 6 82 1
vii. Weight and speed of vehicle CBSE 6 88 1
Q.4 Answerany5outofthegiven6questions(1x5=5marks)
i. Hot CBSE 1 11 1
ii. Gearbox and final drive CBSE 2 38 1
iii. Tractive effort CBSE 3 48 1
iv. The main shaft of gear CBSE 3 48 1
v. Pneumatic tyre CBSE 5 70 1
vi. Locked by a nut CBSE 6 92 1
Q.5 Answerany5outofthegiven6questions(1x5=5marks)
i. Tuning CBSE 1 13 1
ii. Slippage CBSE 2 43 1
iii. Cushioning effect CBSE 3 48 1
iv. cars CBSE 4 58 1
v. 10000Kms CBSE 5 71 1
vi. Circlip pliers CBSE 6 92 1
Q.6 Answerany5outofthegiven6questions(1x5=5marks)
i. 30% CBSE 1 24 1
ii. Engine assembly and CBSE 2 43 1
gearbox
iii. slackness CBSE 3 51 1
iv. Stub axle CBSE 4 61 1
v. Tubeless tyre CBSE 5 70 1
vi. Brake bleeding CBSE 6 93 1

Page 2 of 8

SECTION B: SUBJECTIVE TYPE QUESTIONS
Q. Source Unit/ Page
No. QUESTION Material Chap. no. of Marks
(NCERT/ No. source
PSSCIVE/ material
CBSE Study
Material)
Answer any 3 out of the given 5 questions on Employability Skills in 20–30 words each
(2x3= 6marks)
Q.7 Effective communication can happen if we NCERT 1 14 2
follow the basic principles of professional
communication skills. These can be
abbreviated as 7 Cs, i.e., clear, concise,
concrete, correct, coherent, complete and
courteous.
Q.8 Everyone has a role to play in a team, so the NCERT 2 86 1
pressure to succeed is not on one individual
• It helps you to have a support system, as
all team members help to fix any mistake
made by one team member
• You feel good when the team achieves
success and it builds your confidence
• The work gets done faster.
Q.9 Header is the top part of a page while the NCERT 3 130 2
footer appears at the bottom of the page.
They contain formation that is available on
every page at the same place, for example, if
we want the title of the document at the top of
each page and the page number at the
bottom of each page, we can use a header
(for title) or a footer (for page number).
Q.10 A business idea is a solution that an NCERT 4 156 2
entrepreneur thinks of, to serve the customer.
An idea determines what business activity an
entrepreneur would take up to make financial
gains. An idea can be product-service-based
or a hybrid model.
Q.11 This mission aims to clean up Indian cities, NCERT 5 179 2
towns, and villages. One of its main aims is to
achieve an Open-Defecation Free India by
October 2, 2019, the 150th anniversary of the
birth of Mahatma Gandhi, by constructing
toilets across the country.
Answer any 3 out of the given 5 questions in 20–30 words each (2x3 = 6 marks)
Q.12 The leakage of lubricating oil can be traced NCERT 1 106 2
by following a few simple steps.
• Set a newspaper under the engine.
• Now run the engine for 5 min (do not move
the vehicle).
• The newspaper will have spots if there is
leakage.
• Exactly perpendicular to the spot will be the
area of leakage. Stop the leakage by
changing the gasket oil seal, etc.
Page 3 of 8

Q.13 The differential is a device that allows each of NCERT 2 128 2
the driving wheels to rotate at different
speeds when the car turns a corner. In
vehicles without a differential, both driving
wheels are forced to rotate at the same
speed, usually on a common axle driven by a
simple chain-drive mechanism.
Q.14 Follow the steps given below to change the NCERT 3 135 2
lubricating oil:
• Run the vehicle for 2–3 km.
• Place a container below the drain plug of
the gearbox.
• Open the filler and drain plug and leave it
for an appropriate time, for the oil to
completely drain out.
• Replace the washer of drain plug and
tighten it to the specified torque.
• Refill the gear oil of specified grade and
quantity up to the level mark.
• Close the level or filler plug.
Q.15 Steps for Adjusting Wheel Play: NCERT 4 142 2
• Place the washer and tighten the castle
nut.
• Check the wheel by turning.
• If there is friction loosen the castle nut.
• Check again for friction.
• The wheel should roll freely.
• Lock the castle nut with the use of a split
pin.
• Fit the grease cup by filling it with new
grease
• Lift the vehicle with a jack and take out
the stand
• Remove the jack by lowering it down.
Q.16 Functions of a Good Braking System: NCERT 6 152 2
• The brakes should stop the vehicle in the
shortest possible distance and without
skidding the vehicle.
• The brakes should work equally well both
on fair and bad roads.
• Pedal effort applied by the driver should
not be more, so as, not to strain the driver.
• Brakes should work equally well in all
weathers.
• It should have very few wearing parts.
• It should require little maintenance.
• Brakes, when applied should not disturb
the steering geometry.
• There should be minimum sound when
brakes are applied.
Answer any 2 out of the given 3 questions in 30–50 words each (3x2 = 6 marks)
Q.17 Checking circulation of water in a cooling NCERT 1 119 3
system:
• Switch off the ignition switch of vehicle.
• Remove the negative terminal from the
Page 4 of 8

battery
• Turn the upper radiator cap slowly and
allow the steam or water vapor to release
from the radiator
• Turn the radiator cap and remove it from
the neck of the radiator.
• Connect the battery terminal and switch on
the ignition.
• Start the engine at idle speed.
• Inspect the circulation of water in the
radiator.
• Circulation of water should be observed as
rate of inlet must be equal to rate of an
outlet of coolant.
• It works healthy running of coolant system.
Q.18 To check the quality of oil in the gearbox, the NCERT 3 135 3
following procedure may be adopted: – Take
a drop of used oil and place it on the nail of
thumb, while the thumb is being held
vertically upward. Check the viscosity of old
lubricating oil (flow of oil) in the downward
direction. Similarly, check the flow of new oil,
on the other hand’s thumbnail, and compare
the resistance to flow for both. The used oil
will flow faster in comparison to new oil. –
Check the oiliness of the oil by rubbing
continuously on the hand skin. The old oil will
smell of used oil. The oil should not have a
burnt smell.
Q.19 Process of removing trapped air from the fluid NCERT 6 157 3
line is called ‘bleeding’ otherwise, it may
cause spongy brakes.
• Fill the master cylinder’s reservoir with
brake fluid up to the topmost level marked
on it.
• Ask the companion to sit on driver’s seat
and create fluid pressure by pressing and
releasing the brake pedal several times.
You will feel that the pedal becomes hard.
• Asked the companion to keep up foot
pressure on brake pedal.
• Insert one end of the pipe over the
bleeding nipple and let the other end in a
glass bottle or jar.
• Release the fluid pressure by opening the
bleeding nipple and farther most wheel
cylinder from master cylinder. There will
be bubbles with brake fluid coming out in
the bottle or jar.
• Tighten the nipple and the brake pedal
goes to floor board as air and brake fluid
are released from the nipple.
• Again, ask your companion to repeat the
procedure and release the pressure
through the same nipple. This time there

Page 5 of 8

should be no bubbles and only the brake
fluid should be coming out of it.
• Check the fluid level, it will be bit down,
then top-up the level.
• Apply the same steps to other wheel
cylinders also, turn by turn.
Answer any 3 out of the given 5 questions in 50–80 words each (4x3 = 12 marks)
Q.20 Steps for Checking Valve Timing: NCERT 1 125 4
• Remove the timing cover
• Check the alignment of the following: –
Turn the crankshaft pulley with the
transmission belt. The mark on the pulley
must align with the crankcase mark.
At the same time, the camshaft pulley mark
must align with the crankcase marking. This
indicates proper valve timing.
Steps for Checking of Ignition Timing:
• Connect the stroboscope connection as
per the prescribed manual.
• Now hold the stroboscope lamp and run
the engine and flywheel at idle speed
• Check that the timing mark on the
flywheel matches with the pointer of a
crankcase housing. The time lamp must
glow, showing the alignment at the same
time.
• This indicates proper ignition timing in the
system.
Q.21 The entire mechanism that transmits power NCERT 1 128 4
from the engine to the wheel is known as the
transmission system. It is also called a power
train
Gearbox or Transmission
Gearbox is a part of the transmission system
as the gears play an important role in
transmitting the engine power to the wheels
and overcoming resistance like gradient
resistance, air resistance and load
resistance. Gears is placed between the
clutch and propeller shaft or differential.
Propeller Shaft
To transmit the power with variations of the
angle and variation in length in relation with
the front and rear axle, the propeller shaft is
used; this is connected between gearbox and
final drive.
Q.22 Steps for Repairing Mechanical Brakes: NCERT 6 153 4
• Remove or unthread the wheel nuts with a
spanner and separate the wheel from the
brake drum.
• Straighten and pull out the spilt pin, fitted in
castle nut, using a combination plier.
• Lock the axle shaft and open the castle nut
using socket and handle.
• Hammer the axle shaft lightly by using
Page 6 of 8

brass drift, this may contract the brake
drum loose and remove the brake drum.
• Remove brake shoe lock, and mount it on
anchor pin, with the help of a nose plier.
• Separate the brake shoes from a brake
lever cam and the steady post.
• Clean the brake shoes and the brake drum
with the help of emery paper for both the
shoes on the commandant chopping and
lock them.
• Fit the brake drum over the axle shaft and
tighten the castle nut with the help of a
socket and handle.
• Tighten the brake shoe adjusting nut with
the help of a spanner, this makes the shoes
expand and grip the drum firmly
• Loosen the adjusting nut by a little amount
and turn the wheel, it must roll free. Do the
shoe adjustment this way.
• Tighten the main nut locked it properly.
• Fit the wheel over brake drum and tighten
wheel nuts.
Q.23 Instruments and Materials required: NCERT 5 149 4
• Bodkin
• Wire brush
• Cold patch adhesive solvent
• Rubber plugs of different diameter
• Knife
Procedure
• Locate the puncture by inflating tyre and
immersing the tyre with wheel rim in a
water tank and mark it.
• Take out the nail if any and judge the
puncture size, as the rubber plug to be
selected is according to the puncture size.
• Clean the puncture and its surroundings
with the help of a wire brush.
• Apply solvent with the help of a bodkin to
the punctured hole.
• Select a correct size of rubber plug and
attach it to the bodkin.
• Dip the bodkin along with a rubber plug to
the puncture with the help of bodkin.
• Slowly take out the bodkin. The rubber plug
will be in the puncture.
• Cut the rubber plug approximately 6 mm
above the tyre trade.
• Fill the air in the tyre.
• Tyre is ready for use.
Q.24 For friction-free rotation of wheels, it is NCERT 4 141 4
necessary to lubricate, the wheel hub and
wheel bearing at specified intervals. Bearing
grease is used to lubricate these items.
Steps for Removing Wheel from Axle
• Place wooden blocks to lock the wheel.
Page 7 of 8

• Loosen the wheel nuts by using a wheel
spanner.
• Lift the vehicle by placing a hydraulic jack
under the front axle and make it rest on
stands. Remove the jack.
• Remove the grease cup with the help of a
hammer and screwdriver.
• Straighten the split pin and take it out by
using a combination plier.
• Unscrew the castle nut and take it out.
• Remove the brake drum from the stub axle.
Remove the wheel and hub from stub axle.

Page 8 of 8

Study Materials
Notes

Model Papers Class 6 Notes

Sample Papers Class 7 Notes
Half Yearly Sample Papers Class 8 Notes

Class 9 Notes
Important Resources
Class 10 Notes
Periodic Table
Class 11 Notes
Writing Skills / Formats

Maps of India / World Class 12 Notes

Books and Solutions

NCERT Books
NCERT Book Solutions
HC Verma Chapter Wise Solutions
RD Sharma Solutions
CGBSE Solutions