CBSE Class 12 Question Paper 2022 Automotive

SET-4
Series %BAB% àíZ-nÌ H$moS>
Q.P. Code 328
amob Z§. narjmWu àíZ-nÌ H$moS> H$mo CÎma-nwpñVH$m Ho$
Roll No. _wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code on
the title page of the answer-book.

H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 7 h¢ &
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥>ð> na
{bI| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >25 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí`
{bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-
Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
Please check that this question paper contains 7 printed pages.
Q.P. Code 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 25 questions.
Please write down the serial number of the question in the
answer-book 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.

ñdMm{bV
AUTOMOTIVE

1
:1 : 30
2
1
Time allowed : 1 hours Maximum Marks : 30
2

328 Page 1 P.T.O.

:

(i)
(ii)
(iii) 5 6
1 4
5 6
(iv) 17 16
7 13
14 18
19 22
(v) 8 3
23 25
(vi)

(vii) /

IÊS H$
(amoµOJma H$m¡eb) (3+2=5 A§H$)

4 3 3 1=3

1. EH$ g\$b CÚ_r H$m ~w{Z`mX ? 1

2. Q´>|S> ñnm°qQ>J ? 1
3. EH$ D$Om© boIm- ? 1
4. h¢ ? 1

2 1 1 2=2

5. Adgam| H$mo nhMmZZo _| H$m¡Z-go H$maH$ em{_b h¢ ? 2

6. J«rZ hmCg J¡g CËgO©Z H$mo H$_ H$aZo Ho$ {bE Hw$N> nX {b{IE & 2

328 Page 2

General Instructions :
(i) Please read the instructions carefully.
(ii) This question paper is divided into three sections, viz. Section A,
Section B and Section C.
(iii) Section A is of 5 marks and has 6 questions on Employability Skills.
(a) Question number 1 to 4 are one mark questions. Attempt any three
questions.
(b) Question number 5 and 6 are two marks questions. Attempt any
one question.
(iv) Section B is of 17 marks and has 16 questions on Subject Specific Skills.
(a) Question number 7 to 13 are one mark questions. Attempt any five
questions.
(b) Question number 14 to 18 are two marks questions. Attempt any
three questions.
(c) Question number 19 to 22 are three marks questions. Attempt any
two questions.
(v) Section C is of 8 marks and has 3 Competency-Based Questions.
Questions number 23 to 25 are four marks questions. Attempt any
two questions.
(vi) Do as per the instructions given in the respective sections.
(vii) Marks allotted are mentioned against each section/question.

SECTION A
(Employability Skills) (3+2=5 marks)

Answer any 3 questions out of the given 4 questions. 3 1=3
1. What is the basic test for a successful entrepreneur ? 1
2. What 1
3. What is the job of an Energy Auditor ? 1
4. What are the principles of green tourism ? 1
Answer any 1 question out of the given 2 questions. 1 2=2
5. What are the factors involved in sensing opportunities ? 2
6. Write a H 2

328 Page 3 P.T.O.

IÊS I
({df` {d{eï> H$m¡eb) (5+6+6=17 A§H$)

7 5 5 1=5

7. ? 1

8. ^mar dmhZm| Ho$ gmW H$m¡Z- ? 1

9. \ ? 1

10. AmYw{ZH$ _moQ>admhZ B§OZ _| Cn`moJ {H$E OmZo dmbo ? 1

11. AmQ>mo_mo~mBb H$s Bbo a§J H$s Vma H$hm± Cn`moJ hmoVr h¡ ? 1

12. dh Ý`yZV_ Am`w {b{IE {Og na EH$ ì`{º$ n[adhZ dmhZ bmBg|g Ho$ {bE AmdoXZ H$a
gH$Vm h¡ & 1

13. AmB©.gr. B§OZ Ho$ n[aMmbZ Ho$ Xm¡amZ NOx àXÿfH$ H¡$go CËnÞ hmoVm h¡ ? 1

5 3 3 2=6

14. àmonoba em°âQ> Ho$ H$m`© {b{IE & 2

15. \w$b- ? 2

16. AmYw{ZH$ _moQ>admhZm| _| à`wº$ (ECU) Ho$ H$m`© H$mo g§jon _|
g_PmBE & 2

17. dh H$maH$ {b{IE {Og na EH$ AëQ>aZoQ>a Ûmam CËnÞ Ymam {Z^©a H$aVr h¡ & 2

18. m| H$mo {b{IE & 2

4 2 2 3=6

19. {S>\$aopÝe`b `y{ZQ> H$mo BgH$s g{d©go{~{bQ>r Ho$ {bE H¡$go M¡H$ H$a|Jo ? g_PmBE & 3

20. ? 3

21. g_PmBE B§OZ Am°`b g|ga H¡$go H$m_ H$aVm h¡ & 3

22. AmB©.gr. B§OZm| _| dm`w àXÿfU H$mo H¡$go H$_ {H$`m Om gH$Vm h¡ ? 3

328 Page 4

SECTION B
(Subject Specific Skills) (5+6+6=17 marks)

Answer any 5 questions out of the given 7 questions. 5 1=5
7. What is the function of Universal Joint ? 1
8. Which type of rear live axle is fitted with heavy vehicles ? 1
9. Why is the rectifier unit employed with the alternator (AC Generator) ? 1
10. What is the function of Oxygen sensor used in modern automobile
engine ? 1
11. In an automobile electrical wiring system, where are red colour cables
used ? 1
12. Write the minimum age at which a person can apply for transport vehicle
license. 1
13. How is the NOx pollutant generated during IC engine operation ? 1

Answer any 3 questions out of the given 5 questions. 3 2=6
14. Write the functions of propeller shaft. 2
15. What are the advantages of full-floating rear live axle ? 2
16. Briefly explain the function of Electronic Control Unit (ECU) used in
modern automobiles. 2
17. Write the factors on which the current produced by an alternator
depends. 2
18. Write any two Mandatory Road Safety Signs. 2

Answer any 2 questions out of the given 4 questions. 2 3=6
19. How can one check the differential unit for its serviceability ? Explain. 3
20. Why is the DC generator replaced by AC generator in modern
automobiles ? 3
21. 3
22. How can the air pollution in IC engines be reduced ? 3

328 Page 5 P.T.O.

IÊS J
(`mo½`Vm-AmYm[aV àíZ) (2 4=8 A§H$)

3 2 2 4=8

23. EH$ AmQ>mo_mo{Q>d {S>µOmBZ B§Or{Z`a EH$ Q´>H$ Ho$ {bE EH$ Mo{gg {S>µOmBZ H$aZm MmhVm h¡ &
{H$g àH$ma Ho$ \$mBZb S´>mBd H$mo Cgo VaOrh XoZm Mm{hE ? {MÌ g{hV g_PmBE & 4

24. EH$ AëQ>aZoQ>a (E.gr. OZaoQ>a) Ho$ ~w{Z`mXr {dÚwV² n[anW H$mo Ambo{IV H$s{OE Am¡a BgHo$
{d{^Þ Ad`dm| H$mo A§{H$V H$s{OE & 4

25. {_. gw_rV Zo EH$ VH$Zr{e`Z H$mo ~wbm`m Am¡a {eH$m`V H$s {H$ CgH$s H$ma> gmYmaU ê$n go
B§OZ ñQ>mQ>©a _moQ>a Ho$ gmW H«|$qH$J H$a ahr h¡ , bo{H$Z ñQ>mQ>© Zht hmoVr h¡ & Xmof Ho$ g§^m{dV
H$maU Am¡a CnMma ~VmBE & 4

328 Page 6

SECTION C
(Competency-Based Questions) (2 4=8 marks)

Answer any 2 questions out of the given 3 questions. 2 4=8

23. An automotive design engineer wants to design a chassis for a truck.
Which type of final drive should he prefer ? Explain with diagram. 4

24. Draw the basic electrical circuit of an alternator (AC generator) and label
its different components. 4

25. Mr. Sumeet called the technician and complained that his car is normally
cranking the engine with the starter motor, but does not start. Give the
possible causes and remedies of the defect. 4

328 Page 7 P.T.O.