Karnataka SSLC Question Paper 2025 Answer Key Automobile

Government of Karnataka
Karnataka Secondary Education Examination Board

Question Paper
ANSWER KEY

A
CCE RF
Revised Syllabus

NSQF LEVEL-2
KARNATAKA SCHOOL EXAMINATION AND ASSESSMENT BOARD,
MALLESHWARAM, BENGALURU – 560 003
NSQF LEVEL-2, MARCH/APRIL 2025 EXAMINATION-1
MODEL ANSWERS
Date : 04. 04. 2025 ] CODE NO. : 88-EK
Subject : Automobile
( English Medium )
( Regular Fresh )
[ Max. Marks : 60
Qn.
Value Points Total

PART-A

I. Four alternatives are given for each of the following
questions / incomplete statements. Choose the
correct alternative and write the complete answer
along with its question number and alphabet :
3×1=3
1. "Sham bought a pen; he has a great pen collection."
The pronoun in this sentence is
(A) Sham (B) bought
(C) he (D) has
Ans. (C) he 1
2. Ravi works hard to get the best student award at the
end of the year. What type of motivation is this ?
(A) Internal (B) External
(C) Emotional skill (D) Overconfident
Ans. (B) External 1

CCE RF(A)/101/1873(MA) [ Turn over

88-EK (Level-2) 2
Qn.
Value Points Total

3. The valid file extension for notepad file is
(A) .jpg (B) .doc
(C) .text (D) .txt
Ans. (D) .txt 1

II. Answer the following questions : 2×1=2

4. Why is enter key used in the computer ?
It is the one of the most important functional key in
the computer to move the cursor to the beginning to a
new line. 1

5. Write any two basic ways in which people can help for
sustainable development of goals.
i) Quality education
½
ii) Clean water and sanitation
½
iii) Affordable and clean energy
iv) Reduce inequalities. ( Any two ) 1

III. Answer the following questions : 2×2=4

6. What is time management ?
Time management is the ability to plan and control,
how you spend the hours of your day well and do all
that you want to do. 2

OR

CCE RF(A)/101/1873(MA)

3 88-EK (Level-2)
Qn.
Value Points Total
How do you find your weakness ?
i) Point out the areas, where you struggle and the
1
things you find difficult to do.
ii) Be open to feedback and accept your weakness
without feeling low.
1
iii) Look at the feedback others usually give you.
( any two ) 2
7. Mention four qualities which should have to become a
successful entrepreneur.
i) He/she must believe in her/him-self
ii) She/he should be confident and take business ½
decision.
iii) If the idea did not work but it is okay then keep ½
trying new ideas.
iv) Running his/her business is difficult but he/she is ½
patient because he/she knows success will come
soon. ½
v) He/she gives a creative and different solution to
the problem that is why she/he is successful. 2
IV. Answer the following question : 1×3=3
8. Explain the meaning of verbal communication. Write
its advantages and disadvantages.
Verbal communication includes sounds, words,
language and speech speaking is one of the most 1
effective and commonly used way of communicating.
Advantages :
 It is an easy mode of communication in which you
can exchange ideas by saying what you want and 1
get a quick response.
 Verbal communication also enables you to keep
changing your interaction as per the other person's
response. 1
Disadvantages :
 It depends on written or spoken, words, sometimes
the meaning can be confusing and difficult to
understand, if the right words are not used. 3

CCE RF(A)/101/1873(MA) [ Turn over

88-EK (Level-2) 4
Qn.
Value Points Total

PART-B

V. Four alternatives are given for each of the following
questions / incomplete statements. Choose the
correct alternative and write the complete answer
along with its question number and alphabet :

7×1=7

9. The unit used to ignite the fuel in the petrol engine is
(A) Spark plug (B) Carburetor
(C) Push rod (D) Radiator
Ans. (A) Spark plug 1

10. Observe the analogy and answer :
Vegetable oil : liquid lubricant : : Grease : ................ .
(A) Semi-solid lubricant (B) Gas lubricant

(C) Solid lubricant (D) Emulsion
Ans. (A) Semi-solid lubricant 1
11. The equipment that helps to lift the vehicle and to
carry out the work under the chassis is
(A) Pneumatic wrench (B) Air compressor
(C) Two-post lift (D) Wheel balancer
Ans. (C) Two-post lift 1
12. The fuel filter is clogged in a vehicle. It
(A) Makes more fuel to flow inside the cylinder
(B) Reduces the fuel pressure
(C) Increases the fuel pressure
(D) Allows more air enter into the engine
Ans. (B) Reduces the fuel pressure 1

CCE RF(A)/101/1873(MA)

5 88-EK (Level-2)
Qn.
Value Points Total

13. Which of the following is NOT a part of cooling
system ?
(A) Radiator (B) Thermostat
(C) Cooling fan (D) Bonnet

Ans. (D) Bonnet 1

14. A stub axle is used for
(A) Rotating the wheel (B) Opening the nut
(C) Tightening the bolt (D) Folding the nut

Ans. (A) Rotating the wheel 1

15. The device that avoids the flow of current from battery
to the alternator is
(A) Voltage regulator (B) Spark plug
(C) Cut-out unit (D) Ignition coil

Ans. (C) Cut-out unit 1

VI. Fill in the blanks with suitable answer : 4×1=4
16. Now a days the gear used to final drive is ................... .
Hyped gears 1
17. The tube and tubeless tyres are called .....................
tyres.
Pneumatic 1
18. Mallet is made up of ...................... .
Wood 1
19. In general the coolant is changed in a vehicle ...............
year once.
two 1

CCE RF(A)/101/1873(MA) [ Turn over

88-EK (Level-2) 6
Qn.
Value Points Total
VII. Uses of automobile tools are given in Column-A and
automobile tools are given in Column-B. Match
them and write the answer along with its letter of
alphabet : 4×1=4
20. Column-A Column-B
i) To measure voltage, a) Wheel balancer
current and resistance
ii) To measure specific b) Screw gauge
gravity
iii) To measure very small c) Air compressor
distance precisely
iv) To measure distance d) Multimeter
between two opposite
sides
e) Wrenches
f) Hydrometer
g) Calipers
Ans :
i) d) Multimeter 1
ii) f) Hydrometer 1
iii) b) Screw gauge 1
iv) g) Calipers 1 4
VIII. Answer the following questions : 4×1=4

21. Mention the types of automobile engines based on the
cycles of operation.
1. Auto cycle 1
2. Diesel cycle 1
22. Define viscosity of an oil.
"Viscosity is the property of liquid, which resist to the
lubricating oil". 1
CCE RF(A)/101/1873(MA)

7 88-EK (Level-2)
Qn.
Value Points Total
23. Mention any two hand instruments.
1. Spanner
2. Wrench ½
3. Bench vice. ( any two ) ½ 1
24. In night vision assist technology thermal imaging
cameras are used. Why ?
To find or spot animals, pedestrians and other vehicle
at night. 1
IX. Answer the following questions : 4×2=8
25.
Write a short note on Air compressor.
Air compressor machine which is used to increase the
pressure of air by reducing its volume. They have two
types 1
1. Rotary screw air compressor
2. Reciprocating air compressor 1 2
26. Draw the diagram of "hand hacksaw".

Diagram- 2 2
27. List the steps to be followed while changing the air
filter of a vehicle.
i) Prepare the vehicle ½
ii) Locate the old air filter ½
iii) Remove the cover ½
iv) Clean the air filter housing ½
v) Insert the new air filter and close the cover. 2

CCE RF(A)/101/1873(MA) [ Turn over

88-EK (Level-2) 8
Qn.
Value Points Total

28. Explain the "sensitive air bag system" in a vehicle
safety system.

The system sense the difference in the size and weight ½
½
of the occupants and deploys the air bag. It detect the
½
even be able to individually. ½ 2
OR
Explain the "Blind spot detection" in a vehicle safety
system.
Ans.:
This system alerting us to make a turn and an object
or car is in our blind spot. This technology responds as
soon as the driver puts the signals. 2
X. Answer the following questions : 3×3=9
29. Write any four advantages of a battery.
i) It is an electrochemical device
ii) It stores the electric energy in the form of
chemical energy. 1
iii) It supplies the electric current to whole vehicle. 1
iv) It operates all the systems in a vehicle. 1
( Any three ) 3
30. List the important aspects of customer service.
i) Feel good factor
ii) Know your product
iii) Body Language 1
iv) Communication 1
v) Anticipate guest needs ( Any three ) 1 3
OR
CCE RF(A)/101/1873(MA)

9 88-EK (Level-2)
Qn.
Value Points Total

List any six duties performed by the automobile
salesperson.
Ans.:
i) Sells a minimum number of vehicle
ii) Explains fully about product
iii) Offers test drives to all
iv) Assists customers in selecting vehicle
v) Attends sales meetings
vi) Schedules first service appointment.
( any six related ) 3

31. Soaps and detergents should not be used while
washing vehicles. Why ?

Do not use detergent, dish soap. Soap is designed for
dishes, it damages the car paint and the paint is
getting dim. So use only the car soap. 3

XI. Answer the following questions : 3 × 4 = 12

32. Write the main functions of front axle of a vehicle.

i) It carries the weight of the front of the vehicle 1

ii) It carries stub axle 1

iii) It controls the ride 1

iv) It carries various systems like braking system etc. 1 4

CCE RF(A)/101/1873(MA) [ Turn over

88-EK (Level-2) 10
Qn.
Value Points Total

33. Draw the diagram of file and label the following parts :
i) Face
ii) Tang

Diagram-3

Parts-1 4

OR
Draw the diagram of hammer and label the following
parts :
i) Handle
ii) Face

Diagram-3

Parts-1 4
CCE RF(A)/101/1873(MA)

11 88-EK (Level-2)
Qn.
Value Points Total

34. Explain the procedure for washing a vehicle manually.
i) Park the vehicle on ground level
ii) Engine off and brake on ½
iii) Take a bucket of clean water ½
iv) Apply the car soap or shampoo and steer well ½
v) Apply the car soap from roof to downwards ½
vi) Now apply the clean water from roof to ½
downwards ½
vii) Clean the side walls of tyre using plastic brush ½
and apply the clean water
½
viii) Using dry cloth wipe the car from roof to down-
wards
ix) Clean the glass and windows using Newspaper. 4
OR
Explain the procedure for changing the coolant of a
vehicle.
Ans.:
i) Prepare the vehicle ½
ii) Locate the radiator and place the pan ½
iii) Remove the drain plug and leave to drain out ½
iv) Insert the drain plug ½
v) Locate the filler cap ½
vi) Insert the New coolant using funnel. ½
vii) Check for leakages and ensure the level of ½
coolant
½
viii) Run the engine and check. 4

CCE RF(A)/101/1873(MA) [ Turn over

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