CBSE Class 12 Automotive Question Paper 2020

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

ZmoQ> NOTE
(I) H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV (I) Please check that this question
n¥ð> 15 h¢ & paper contains 15 printed pages.

(II) àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS (II) Code number given on the right
>Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na hand side of the question paper
{bI| & should be written on the title page of
the answer-book by the candidate.
(III) H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| (III) Please check that this question
>42 àíZ h¢ & paper contains 42 questions.
(IV) H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go (IV) Please write down the Serial
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Number of the question in the
Adí` {bI| & answer-book before attempting it.
(V) Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m (V) 15 minute time has been allotted to
g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU read this question paper. The
nydm©• _| 10.15 ~Oo {H$`m OmEJm & question paper will be distributed
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db at 10.15 a.m. From 10.15 a.m. to
10.30 a.m., the students will read the
àíZ-nÌ H$mo n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ question paper only and will not
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & write any answer on the
answer-book during this period.

ñdMm{bV
AUTOMOTIVE

{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ 60
Time allowed : 3 hours Maximum Marks : 60

.328 1 P.T.O.

gm_mÝ` {ZX}e :
{ZåZ{b{IV {ZX}em| H$mo ~hþV gmdYmZr go n{‹T>E Am¡a CZH$m g™Vr go nmbZ H$s{OE :
(a) Bg àíZ-nÌ _| Xmo IÊS> h¢  IÊS> H$ … amoOJma H$m¡eb Am¡a IÊS> I … {df` H$m¡eb &
(b) IÊS> H$ … amoOJma H$m¡eb (10 A§H$)
(i) {XE JE 6 àíZm| _| go {H$Ýht 4 àíZm| Ho$ CÎma Xr{OE & àË`oH$ àíZ 1 A§H$ H$m h¡ &
(ii) {XE JE 5 àíZm| _| go {H$Ýht 3 àíZm| Ho$ CÎma Xr{OE & àË`oH$ àíZ 2 A§H$ H$m h¡ &
(c) IÊS> I … {df` H$m¡eb (50 A§H$)
(i) {XE JE 12 àíZm| _| go {H$Ýht 10 àíZm| Ho$ CÎma Xr{OE & àË`oH$ àíZ 1 A§H$ H$m h¡ &
(ii) {XE JE 7 àíZm| _| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE & àË`oH$ àíZ 2 A§H$ H$m h¡ &
(iii) {XE JE 7 àíZm| _| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE & àË`oH$ àíZ 3 A§H$ H$m h¡ &
(iv) {XE JE 5 àíZm| _| go {H$Ýht 3 àíZm| Ho$ CÎma Xr{OE & àË`oH$ àíZ 5 A§H$ H$m h¡ &
(d) Bg àíZ-nÌ _| 42 àíZ em{_b h¢ {OZ_| go 30 àíZm| Ho$ CÎma XoZo h¢ &
(e) g^r àíZm| Ho$ {deof ^mJ /IÊS> H$mo ghr H«$_ _| H$s{OE &
(f) A{YH$V_ g_` 3 K§Q>o h¡ &
IÊS> H$
(amoµOJma H$m¡eb)
{XE JE 6 àíZm| ‘| go {H$Ýht Mma àíZm| Ho$ CÎma Xr{OE & à˶oH$ àíZ 1 A§H$ H$m h¡ & 14=4
1. EH$ g_yh go Xÿgao g_yh H$mo Amng _| g_PZo dmbo g§Ho$V, àVrH$ Ed§ bmj{UH$ {Z`_m| Ho$
Ûmam AWm] H$mo g§ào{fV H$aZo Ho$ H$m`© H$mo ___________ H$hVo h¢ & 1
(A) Xbrb
(B) g§Mma
(C) ^mfU
(D) AZw^y{V
2. àoaUm H$mo ___________ H$mo A{O©V H$aZo _| ghO àd¥{Îm Ho$ ê$n _| n[a^m{fV {H$`m OmVm
h¡ & 1
(A) H$m`© H$mo N>mo‹S>Zo
(B) AàË`m{eV bú`
(C) bú` CÝ_wIr ì`dhma
(D) {Z`V H$m`©•H$mo g_má H$aZo
3. ___________ àoaUm {d{eï> emar[aH$ Amdí`H$Vm H$mo gÝVwï> H$aZo dmbo ì`dhma H$s Amoa
{ZX}{eV H$aVr h¡ & 1
.328 2

General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper consists of two parts viz. Section A : Employability
Skills and Section B : Subject Skills.
(ii) Section A : Employability Skills (10 Marks)
 Answer any 4 questions out of the given 6 questions of 1 mark each.
 Answer any 3 questions out of the given 5 questions of 2 marks each.
(iii) Section B : Subject Skills (50 Marks)
 Answer any 10 questions out of the given 12 questions of 1 marks
each.
 Answer any 5 questions from the given 7 questions of 2 marks each.
 Answer any 5 questions from the given 7 questions of 3 marks each.
 Answer any 3 questions from the given 5 questions of 5 marks each.
(iv) This question paper contains 42 questions out of which 30 questions are to
be answered.
(v) All questions of a particular part/section must be attempted in the correct
order.
(vi) The maximum time allowed is 3 hours.

SECTION A
(Employability Skills)
Answer any four questions out of the given 6 questions of 1 mark each : 14=4

1. The act of conveying meanings from one entity or group to another
through the use of mutually understood signs, symbols and semiotic
rules, is called __________ . 1
(A) Argument
(B) Communication
(C) Speech
(D) Feeling

2. Motivation is defined as the drive required to engage in ___________ . 1
(A) leaving the task
(B) setting unexpected goals
(C) goal oriented behaviour
(D) finishing the assignment

3. __________ motivation directs the behaviour towards satisfying a specific
bodily need. 1
.328 3 P.T.O.

4. H$åß`yQ>a ñH«$sZ Ho$ ZrMo H$s Va\$ pñWV {S>ñßbo, Omo {H$ ñbmBS> Zå~a d µOy_ bo~b H$s
gyMZm àX{e©V H$aVm h¡, Cgo ___________ H$hVo h¢ & 1

(A) Qy>b ~ma
(B) ñQ>¡ÝS>S>© ~ma
(C) ñbmBS> n¡Z
(D) ñQ>oQ>g ~ma

5. CÚ{_Vm H$s OmZH$mar (A{YJ_) h_oem ___________ _| _XX H$aoJr & 1

(A) H$m_ Ty>±T>Zo
(B) n‹T>mB© H$aZo
(C) OrdZ Ho$ g^r nhbwAm|
(D) ì`mnma

6. ___________ boIm-narjmAm| H$m g§MmbZ H$aVo h¢ Am¡a `h gw{ZpíMV H$aVo h¢ {H$ ^dZ d
Ka {H$VZo BZOu-B{\${e`ÝQ> h¢ & 1

(A) CÚ_r
(B) nw{bg
(C) ~¢H$ H$_©Mmar
(D) D$Om© boIm-narjH$

{XE JE 5 àíZm| ‘| go {H$Ýht VrZ àíZm| Ho$ CÎma Xr{OE & à˶oH$ àíZ 2 A§H$ H$m h¡ & 23=6

7. nm{Q>©{g{n`b \«o$µO go Amn Š`m g_PVo h¢ ? EH$ CXmhaU Xr{OE & 2

8. Edm°`S>¡ÝQ> ng©Zo{bQ>r {S>gAm°S>©a go Amn Š`m g_PVo h¢ ? 2

9. H¡$ëH$ (Calc) _| H§$S>reZb \$m°a_¡qQ>J {H$go H$hVo h¢ ? 2

10. CÚ{_Vm {dH$mg H$m _w»` CÔoí` Š`m h¡ ? 2

11. {H$Ýht VrZ J«rZ Om°ãg Ho$ Zm_ {b{IE & 2
.328 4

4. Display positioned at the bottom of the computer screen, showing
information such as slide number and zoom level is called __________ . 1
(A) Tool bar
(B) Standard bar
(C) Slide pane
(D) Status bar

5. Entrepreneurship learning shall always help in __________ . 1
(A) Seeking job
(B) Studying
(C) All aspects of life
(D) Business

6. _____________ conduct audits and determine how energy efficient the
buildings and houses are. 1
(A) Entrepreneurs
(B) Policemen
(C) Bank Employees
(D) Energy Auditors

Answer any three questions out of the given 5 questions of 2 marks each : 23=6

7. What do you understand by Participial phrase ? Give one example. 2

8. What do you understand by Avoidant personality disorder ? 2

9. What is the conditional formatting in Calc ? 2

10. What is the main aim of entrepreneurship development ? 2

11. Name any three green jobs. 2

.328 5 P.T.O.

IÊS> I
({df¶ H$m¡eb)
{XE JE 12 àíZm| ‘| go {H$Ýht 10 àíZm| Ho$ CÎma Xr{OE & à˶oH$ àíZ 1 A§H$ H$m h¡ & 110=10

12. {Og H$åà¡ga _| hdm Ho$ Am`VZ H$mo H$åà¡g H$aZo Ho$ {bE M¡å~a _| bo OmZo Ho$ {bE ñbm¡Q>oS>
amoQ>a Ho$ gmW d¡[aS> ãboS> ßbog_|Q> H$m à`moJ hmoVm h¡, Cg H$åà¡ga H$mo __________ H$hVo
h¢ & 1
(A) Bb¡pŠQ´>H$ H$åà¡ga
(B) doZ H$åà¡ga
(C) hmBS´>m¡{bH$ H$åà¡ga
(D) gmYmaU dm`w H$åà¡ga
13. ZdrZV_ ìhrb ~¡bopÝg¨J _erZ| H$B© Am°Q>mo_¡{Q>H$ d H$åß`yQ>a OZao{Q>S> {deofVmAm| go gwg{‚mV
h¢, `h Bg{bE {S>µOmBZ {H$`m J`m h¡, {H$ __________ àmá hmo gHo$ & 1
(A) CËH¥$ï> ~¡boÝg
(B) AmodañnrS> {ZH$mbZm
(C) ~‹T>r hþB© â`yb _mBboO
(D) J¡n Q>¡pñQ>¨J
14. dmhZ H$mo gm_Zo go XoIZo na d{Q>©H$b go qH$J{nZ Ho$ PwH$md H$mo __________ H$hVo h¢ & 1
(A) H¡$å~a
(B) H¡$ñQ>a
(C) qH$J{nZ BZŠbrZoeZ
(D) Q>{ZªJ ao{S>`g
15. ~hþV A{YH$ gH$mamË_H$ H¡$ñQ>a E§Jb Ho$ n[aUm_ go ___________ & 1
(A) hmS>© ñQ>r`[a¨J d amoS> em¡Šg hmoVm h¡ &
(B) hëH$m ñQ>r>`[a¨J hmoVm h¡ &
(C) bJmVma dmB~o«oeZ hmoVr h¡ &
(D) Cn`w©º$ _| go H$moB© Zht
.328 6

SECTION B
(Subject Skills)

Answer any ten questions out of the given 12 questions of 1 mark each : 110=10

12. A compressor that uses slotted rotor with varied blade placement to guide
air into a chamber and compress the volume is called ___________ . 1
(A) Electric compressor
(B) Vane compressor
(C) Hydraulic compressor
(D) Simple Air compressor

13. Latest wheel balancing machines are equipped with many automatic and
computer generated features designed to __________ . 1
(A) give excellent balance
(B) eliminate overspeed
(C) increase fuel mileage
(D) give gap testing

14. Inclination of kingpin from vertical, when viewed from the front of
vehicle, is called __________ . 1
(A) Camber
(B) Caster
(C) Kingpin inclination
(D) Turning radius

15. Too positive caster angle results in ___________ . 1
(A) Hard steering and causing road shocks
(B) Light steering
(C) Continuous vibration
(D) None of the above

.328 7 P.T.O.

16. ~«oH$ bJmVo g_` _moQ>a dmhZ Ho$ {nN>bo {hñgo Ho$ D$na CR>Zo Ho$ gmW AJbo {hñgo Ho$ ZrMo
(bmoA[a¨J) hmoZo H$mo __________ H$hVo h¢ & 1

(A) [a~mCÝS>
(B) dmBÝS> An
(C) S>mBd
(D) Cn`w©º$ _| go H$moB© Zht

17. hñVMm{bV Q´>mÝg{_eZ {gñQ>_ _| BªYZ AW©ì`dñWm ({_Vì`{`Vm) __________ hmoVr h¡,
Š`m|{H$ BªOZ H$mo {J`a ~XbZo _| BVZm H${R>Z H$m`© Zht H$aZm n‹S>Vm & 1

(A) H$_µOmoa
(B) ~ohVa
(C) gr_mÝV
(D) g~go ˜am~

18. `y{Zdg©b Om°BÝQ> Ho$ H$m`m] _| go EH$ H$m`© __________ h¡ & 1

(A) Q´>mÝg{_eZ {gñQ>_ H$mo gnmoQ>© H$aZm
(B) {H$gr EH$ E§Jb na nmda Q´>mÝg{_Q> H$aZm
(C) {d{^Þ E§Jbm| na nmda Q´>mÝg{_Q> H$aZm
(D) H$ånZ H$mo amoH$Zm

19. OZaoQ>a H$s dh J{V, {Og na BgH$s AmCQ>nwQ> dmoëQ>oO Bggo MmO© hmo ahr ~¡Q>ar Ho$ dmoëQ>oO
go ~g Wmo‹S>r gr ~‹T> OmVr h¡, __________ H$hbmVr h¡ & 1

(A) Amoda-ñnrS>
(B) AÝS>a-ñnrS>
(C) H$qQ>J-ñnrS>
(D) Zm°a_b-ñnrS>
.328 8

16. The lowering of the front end of the vehicle along with a raising of the

rear end during braking is known as ____________ . 1
(A) Rebound
(B) Wind up
(C) Dive
(D) None of the above

17. The fuel economy is ___________ with manual transmission system,

because the engines do not have to work as hard to shift between gears. 1
(A) poor
(B) better
(C) marginal
(D) worst

18. One of the functions of universal joint is to ____________ . 1

(A) Support the transmission system.

(B) Transmit the power at a particular angle.

(C) Transmit the power at varied angles.

(D) Stop the vibration.

19. The speed of the generator at which its output voltage just rises above

the voltage of the battery being charged is called ____________ . 1
(A) Overspeed
(B) Underspeed
(C) Cutting speed
(D) Normal speed
.328 9 P.T.O.

20. dmoëQ>oO aoJwboQ>a __________ {gÕmÝV na H$m`© H$aVm h¡ & 1

(A) âb¡q_J Ho$ ~mE± hmW Ho$ {Z`_ Ho$

(B) âb¡q_J Ho$ XmE± hmW Ho$ {Z`_ Ho$

(C) _moQ>a Ho$

(D) {Q>arb Ho$

21. H$ma Ho$ g^r __________ Ho$ {bE Bb¡ŠQ´>mo{ZH$ {Z`ÝÌU BH$mB© (B©.gr.`y.) {Z`ÝÌU Ho$ÝÐ
H$m H$m_ H$aVm h¡ & 1

(A) d{Hª$J {gñQ>åg
(B) goÝgg©
(C) B½ZreZ {gñQ>åg
(D) [a_moQ> H$ÝQ´>mob

22. {~Zm {J`a Ho$ Xmo n{h`m dmhZ Ho$ {bE S´>mBqdJ bmBgoÝg ~ZdmZo Ho$ {bE ì`{º$ H$s C_«
__________ df© nyar hmoZr Mm{hE & 1

(A) 18

(B) 16

(C) 20

(D) Cn`w©º$ _| go H$moB© Zht

.328 10

20. The voltage regulator works on the principle known as ___________ . 1

(A) Fleming’s Left Hand Rule

(B) Fleming’s Right Hand Rule

(C) Motor Principle

(D) Tirril

21. The Electronic Control Unit serves as the control centre for all of the
___________ on a car. 1

(A) working systems

(B) sensors

(C) ignition systems

(D) remote control

22. For obtaining a driving licence, a person should have completed
___________ years of age for two-wheelers without gear. 1

(A) 18

(B) 16

(C) 20

(D) None of the above

.328 11 P.T.O.

23. ZE ì`mdgm{`H$ dmhZ H$s ewê$ _| Cn`wº$Vm ({\$Q>Zgo ) à_mU nÌ H$s d¡YVm __________
df© Ho$ {bE hmoVr h¡ & 1

(A) 15

(B) 10

(C) 2

(D) 5

{XE JE 7 àíZm| ‘| go {H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & à˶oH$ àíZ 2 A§H$ H$m h¡ & 25=10

24. E`a H$åà¡ga H$mo n[a^m{fV H$s{OE & 2

25. S>¡S> EŠgb go Amn Š`m g_PVo h¢ ? 2

26. gñn¡ÝeZ nX OmCÝg (Jounce) H$mo n[a^m{fV H$s{OE & 2

27. gñn¡ÝeZ {gñQ>_ _| ñàÝJ doQ> go Amn Š`m g_PVo h¢ ? 2

28. ñdMm{bV Ed§ hñVMm{bV Q´>mÝg{_eZ _| _w»` AÝVa Š`m h¡ ? 2

29. H$Q>-AmCQ> H$m H$m`© {b{IE & 2

30. CËgO©Z go Amn Š`m g_PVo h¢ ? 2

{XE JE 7 àíZm| ‘| go {H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & à˶oH$ àíZ 3 A§H$ H$m h¡ & 35=15

31. Q>m`a Ho$ J{Verb g§VwbZ go Amn Š`m g_PVo h¢ ? 3

32. ñQ>r`[a¨J {gñQ>_ _§o H$å~mBÝS> E§Jb (Q>moQ>b `m BZŠbwS>oS> E§Jb) H$mo n[a^m{fV H$s{OE & 3

33. ñdVÝÌ {Zb§~Z (gñn¡ÝeZ) go Amn Š`m g_PVo h¢ ? 3

34. gmµ\$ aoIm{MÌ go br\$ pñà¨J H$s {Zn Ed§ H¡$å~a H$s ì`m»`m H$s{OE & 3

35. {nN>bo bmBd EŠgb Ho$ \w$b âbmoqQ>J àH$ma H$s ì`m»`m H$s{OE & 3

36. Am°ëQ>aZoQ>a Ho$ g§MmbZ Ho$ {gÕmÝV H$mo {b{IE & 3

37. {H$Ýht Mma A{Zdm`© (_¡ÝS>oQ>ar) g‹S>H$ gwajm g§Ho$Vm| H$mo {b{IE & 3

.328 12

23. For a new commercial vehicle, the initial fitness certificate is valid
for ___________ . 1

(A) 15 years

(B) 10 years

(C) 2 years

(D) 5 years

Answer any five questions out of the given 7 questions of 2 marks each : 25=10

24. Define the Air Compressor. 2

25. What do you understand by Dead Axle ? 2

26. Define the suspension term Jounce. 2

27. What do you understand by Sprung Weight in a suspension system ? 2

28. What is the primary difference between an Automatic and Manual
Transmission ? 2

29. Write the function of Cut-out. 2

30. What do you understand by Emission ? 2

Answer any five questions out of the given 7 questions of 3 marks each : 35=15

31. What do you understand by dynamic balancing of a tyre ? 3

32. Define Combined Angle (Total or included angle) in a steering system. 3

33. What do you understand by independent suspension ? 3

34. With a neat sketch explain Nip and Camber of leaf spring. 3

35. Explain full floating type of rear live axle. 3

36. Write the principle of operation of an alternator. 3

37. Write any four mandatory road safety signs. 3

.328 13 P.T.O.

{XE JE 5 àíZm| ‘| go {H$Ýht VrZ àíZm| Ho$ CÎma Xr{OE & à˶oH$ àíZ 5 A§H$ H$m h¡ & 53=15

38. H$åß`yQ>amBµÁS> ìhrb ~¡bopÝg¨J _erZ _| ìhrb ~¡bopÝg¨J H$s à{H«$`m H$mo {b{IE & 5

39. AmaoI Ho$ gmW hmBS´m¡{bH$ nm°da ñQ>r`[a§J Ho$ H$m`©H$mar {gÕmÝV H$s ì`m»`m H$s{OE & 5

40. gmµ\$ aoIm{MÌ Ho$ gmW {nN>bo bmBd EŠgb Ho$ go_r-âbmoqQ>J àH$ma H$s ì`m»`m H$s{OE & 5

41. S>m`Zo_mo na Am°ëQ>aZoQ>a Ho$ bm^ {b{IE & 5

42. AmB©.gr. BªOZ Ho$ nmo{µO{Q>d H¡«$ÝH$Ho$g d¡pÝQ>boeZ {gñQ>_ H$s AmaoI Ho$ gmW ì`m»`m
H$s{OE & 5

.328 14

Answer any three questions out of the given 5 questions of 5 marks each : 53=15

38. Write the procedure of wheel balancing on computerized wheel balancing
machine. 5

39. Explain with diagram, the working principle of Hydraulic Power Steering. 5

40. With neat sketch explain semi-floating type of rear live axel. 5

41. Write the advantages of alternator over dynamo. 5

42. Explain with diagram, the positive Crankcase Ventilation System of
IC engine. 5

.328 15 P.T.O.