CBSE Class 12 Autoshop Repair and Practice Question Paper 2020

H$moS> Z§.
Code No. 108
amob Z§. narjmWu H$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> 11 h¢ & paper contains 11 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
>31 àíZ h¢ & paper contains 31 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.

Am°Q>mo em°n [ano`a EÊS> à¡pŠQ>g (g¡ÕmpÝVH$)
AUTO SHOP REPAIR AND PRACTICE (Theory)
{ZYm©[aV g_` : 2 1 KÊQ>o A{YH$V_ A§H$ : 50
2
1
Time allowed : 2 hours Maximum Marks : 50
2

.108 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$s{OE :
(i) Bg àíZ-nÌ _| 31 àíZ em{_b h¢ {OZ_| go Aä`Wu H$mo {g\©$ 23 àíZ H$aZo H$s µOê$aV
h¡ &
(ii) àíZ-nÌ Xmo IÊS>m| _| {d^m{OV h¡ &
IÊS> H$
 ~hþ{dH$ënr` àíZ /[aº ñWmZ ^[aE /grYo àíZ : Hw$b 12 àíZ em{_b h¢ Omo
1 – 1 A§H$ Ho$ h¢ & BZ_| go {H$Ýht 10 àíZm| Ho$ CÎma Xr{OE &
 A{V bKw-CÎmar` àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ àíZ 2 A§H$ Ho$ h¢ &
BZ_| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
 bKw-CÎmar` àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ àíZ 3 A§H$ Ho$ h¢ & BZ_| go
{H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
IÊS> I
XrK©-CÎmar` /{Z~ÝYmË_H$ àíZ : BZ_| Hw$b 5 àíZ em{_b h¢, àË`oH$ àíZ 5 A§H$ Ho$ h¢ &
BZ_| go {H$Ýht 3 àíZm| Ho$ CÎma Xr{OE &
IÊS> H$
{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

1. Jm‹S>r IarXVo g_` S>rba Ûmam J«mhH$ H$mo Xr OmZo dmbr ‘‘g{d©g _¡ZwAb’’ $Ho$ AZwgma Jm‹S>r
H$s Xÿgar _wâV g{d©g H$amZr Mm{hE 1
(A) 500 {H$_r Jm‹S>r MbZo Ho$ ~mX
(B) 800 {H$_r Jm‹S>r MbZo Ho$ ~mX
(C) 1000 {H$_r Jm‹S>r MbZo Ho$ ~mX
(D) Cn`w©º$ _| go H$moB© Zht
2. Jm‹S>r IarXVo g_` àË`oH$ J«mhH$ H$mo Jm‹S>r Ho$ gmW EH$ nwñVH$ Xr OmVr h¡, {OgH$m Zm_
hmoVm h¡ 1
(A) g{d©g ~wH$
(B) g{d©g _¡ZwAb
(C) g{d©g a{OñQ>a
(D) Cn`w©º$ _| go H$moB© Zht
.108 2

General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper contains 31 questions, out of which the candidate
needs to attempt only 23 questions.
(ii) The question paper is divided into two sections.

SECTION A
 Multiple choice questions / Fill in the blanks/Direct questions :
contains total 12 questions of 1 mark each. Answer any
10 questions.
 Very short answer type questions : contains total 7 questions of
2 marks each. Answer any 5 questions.
 Short answer type questions : contains total 7 questions of 3 marks
each. Answer any 5 questions.

SECTION B
Long answer / Essay type questions : contains total 5 questions of 5 marks
each. Answer any 3 questions.

SECTION A
Answer any 10 questions out of the given 12 questions of 1 mark each. 110=10

1. According to the ‘‘Service Manual’’ which is given by the dealer to the
purchaser at the time of purchasing the vehicle, the second free service of
the vehicle should be made 1
(A) After the vehicle has completed 500 km
(B) After the vehicle has completed 800 km
(C) After the vehicle has completed 1000 km
(D) None of the above

2. At the time of purchasing the vehicle, a book is given to each purchaser
with the vehicle, whose name is 1
(A) Service Book
(B) Service Manual
(C) Service Resister
(D) None of the above
.108 3 P.T.O.

3. {ZåZ{b{IV _| go H$m¡Z-gm ‘‘ñWm`r \$mñQ>Za’’ h¡ ? 1
(A) [adoQ>
(B) ZQ> VWm ~moëQ>
(C) H$sµO VWm H$m°Q>g©
(D) Cn`w©º$ _| go H$moB© Zht
4. {ZåZ{b{IV _| go H$m¡Z-gm ‘‘Am°Q>mo_mo~mBb \$mñQ>Za’’ Zht h¡ ? 1
(A) [adoQ>
(B) ZQ> VWm ~moëQ>
(C) Q>mB© am°S>
(D) Om_ ZQ>
5. ‘‘[adoQ>’’ H$s ‘‘JwUdÎmm’’ M¡H$ H$s OmVr h¡ •1
(A) ~opÝS>¨J Q>oñQ> Ho$ Ûmam
(B) âb¡Q>oÝS> Q>oñQ> Ho$ Ûmam
(C) Q>oÝgmBb Q>oñQ> Ho$ Ûmam
(D) Cn`w©º$ _| go H$moB© Zht
6. ‘‘hmBQ> JoO’’ H$m H$m`© hmoVm h¡ 1
(A) JhamB© _mnZm
(B) D±$MmB© _mnZm
(C) Mm¡‹S>mB© _mnZm
(D) Cn`w©º$ _| go H$moB© Zht
7. ‘‘Jm‹S>r Ho$ \«o$_’’ _| ‘‘{dH¥${V’’ AmZo H$m Š`m H$maU hmoVm h¡ ? 1
(A) ^mar dµOZ H$m bmXZm
(B) Jm‹S>r H$mo bmnadmhr go MbmZm
(C) XþK©Q>Zm hmoZo go
(D) Cn`w©º$ g^r H$maUm| go
.108 4

3. Which of the following is a ‘‘Permanent Fastener’’ ? 1
(A) Rivet
(B) Nut and Bolt
(C) Keys and Cotters
(D) None of the above

4. Which of the following is not an ‘‘Automobile Fastener’’ ? 1
(A) Rivet
(B) Nut and Bolt
(C) Tie Rod
(D) Jam Nut

5. The ‘‘quality’’ of ‘‘Rivet’’ is tested 1
(A) By Bending Test
(B) By Flattened Test
(C) By Tensile Test
(D) None of the above

6. The function of ‘‘Height Gauge’’ is 1
(A) To measure the depth
(B) To measure the height
(C) To measure the width
(D) None of the above

7. What is the cause of ‘‘defect’’ in the ‘‘Vehicle Frame’’ ? 1
(A) Heavy loading
(B) To drive the vehicle carelessly
(C) An accident
(D) All of the above causes
.108 5 P.T.O.

8. _moQ>a Jm{‹S>`m| _| ‘‘g§àofU (Q´>m±pñ_eZ) àUmbr’’ bJr hmoVr h¡ 1
(A) ŠbM VWm àmon¡ba emâQ> Ho$ ~rM _|
(B) ŠbM VWm {nN>bo {S>\$aopÝe`b {J`a Ho$ ~rM _|
(C) B§OZ VWm ŠbM Ho$ ~rM _|
(D) Cn`w©º$ _| go H$moB© Zht
9. ‘‘g§àofU (Q´>m±pñ_eZ) àUmbr’’ H$m H$m`© hmoVm h¡ A{YH$ Q>m°H©$ XoZm 1
(A) Jm‹S>r ñQ>mQ>© H$aVo g_`
(B) Jm‹S>r _| J{V-dY©Z (ËdaU) Ho$ g_`
(C) A{YH$ ^ma ItMVo g_`
(D) Cn`w©º$ g^r H$m`m] Ho$ {bE
10. Am°Q>mo_mo~mBb H$ånZr Jm‹S>r Ho$ BbopŠQ´>H$b g{H©$Q>m| _| bJo Vmam| H$m Omo H$ba H$moqS>J XoVr h¡,
dh àm`: hmoVm h¡ 1
(A) VrZ a§Jm| _§o
(B) gmV a§Jm| _§o
(C) nm±M a§Jm| _§o
(D) Cn`w©º$ _| go H$moB© Zht
11. ‘‘gå~ÝY-{dÀN>oXH$ ßdm°BÝQ²>g’’ gm_mÝ`V`m ~Zo hmoVo h¢ 1
(A) ßbmpñQ>H$ Ho$
(B) ñQ>rb Ho$
(C) Vm±~o Ho$
(D) Q>§JñQ>Z Ho$
12. ‘‘EëQ>aZoQ>a \o«$_’’ ~Zm hmoVm h¡ 1
(A) H$mñQ> Am`aZ H$m
(B) nrVb H$m
(C) Eobw{_{Z`_ H$m
(D) H$m°na H$m
.108 6

8. In motor vehicles, the ‘‘Transmission System’’ is mounted 1
(A) In between the clutch and the propeller shaft.
(B) In between the clutch and the rear differential gear.
(C) In between engine and the clutch.
(D) None of the above

9. The function of ‘‘Transmission System’’ is to give more torque 1
(A) At the time of starting the vehicle
(B) At the time of giving acceleration to vehicle
(C) At the time of pulling heavy load
(D) For all of the above cited functions

10. The colour coding of wires used in the electrical circuits of vehicles, which
is given by an automobile company, is of 1
(A) Three colours
(B) Seven colours
(C) Five colours
(D) None of the above

11. ‘‘Contact-Breaker Points’’ are generally made of 1
(A) Plastic
(B) Steel
(C) Copper
(D) Tungsten

12. An ‘‘Alternator Frame’’ is made of 1
(A) Cast Iron
(B) Brass
(C) Aluminium
(D) Copper
.108 7 P.T.O.

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

13. ‘‘_erZ ñH«y$’’ H$m Š`m H$m`© hmoVm h¡ ? 2

14. ‘‘ñQ>rb ê$b’’ H$m Š`m H$m`© hmoVm h¡ ? 2

15. ‘‘hoëna pñà¨J’’ _| ‘‘e¡H$b’’ H$m Š`m H$m`© hmoVm h¡ ? 2

16. ‘‘{nñQ>Z [a½§g’’ {H$g ‘‘YmVw’’ H$s ~Zr hmoVr h¢ ? 2

17. ‘‘g§àofU (Q´>m±pñ_eZ) àUmbr’’ Am°Q>mo_mo~mBb Jm{‹S>`m| _| H$m¡Z-H$m¡Z go H$m`© H$aVr h¡ ? 2

18. ‘‘~¡Q>ar’’ H$mo [aMmO© H¡$go H$aVo h¢ ? 2

19. ‘‘_moQ>a’’ Am¡a ‘‘OZaoQ>a’’ _| Š`m A§Va h¡ ? 2

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

20. ‘‘H¡${bna’’ {H$VZo àH$ma Ho$ hmoVo h¢ ? 3

21. ‘‘gñnoÝeZ àUmbr’’ Ho$ H$m¡Z-H$m¡Z go H$m`© h¢ ? 3

22. ‘‘B§OZ {S>H$m~m}ZmBµOoeZ’’ na EH$ g§{jßV {Q>ßnUr {b{IE & 3

23. ‘‘ñdMm{bV g§àofU (Q´>m±pñ_eZ) àUmbr’’ na EH$ g§{jßV {Q>ßnUr {b{IE & 3

24. ‘‘ñQ>m°n-bmBQ> pñdM’’ Š`m hmoVm h¡ ? `h Jm‹S>r _| {H$g OJh na bJr bmBQ> H$mo Am°Z H$aVm
h¡ ? ñdÀN> {MÌ H$s ghm`Vm go g_PmBE & 3

25. ‘‘OZaoQ>a \«o$_’’ {H$g ‘‘YmVw’’ VWm ‘‘eŠb (AmH$ma)’’ H$m ~Zm hmoVm h¡ ? ñdÀN> {MÌ H$s
ghm`Vm go g§jon _| g_PmBE & 3

26. ‘‘B½ZreZ àUmbr’’ {H$VZo àH$ma H$s hmoVr h¢ ? {H$gr EH$ H$m ñdÀN> {MÌ ~ZmH$a g§jon _|
g_PmBE & 3
.108 8

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

13. What is the function of ‘‘Machine Screw’’ ? 2

14. What is the function of ‘‘Steel Rule’’ ? 2

15. What is the function of ‘‘Shackle’’ in a ‘‘Helper Spring’’ ? 2

16. From which ‘‘Metal’’ are the ‘‘Piston Rings’’ made ? 2

17. What are the functions of ‘‘Transmission System’’ in automobile
vehicles ? 2

18. How is the ‘‘Battery’’ recharged ? 2

19. What is the difference between a ‘‘Motor’’ and a ‘‘Generator’’ ? 2

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

20. What are the types of ‘‘Callipers’’ ? 3

21. What are the functions of ‘‘Suspension System’’ ? 3

22. Write a short note ‘‘Engine Decarbonisation’’. 3

23. Write a short note on ‘‘Automatic Transmission System’’. 3

24. What is ‘‘Stop-light Switch’’ ? Which light of an automobile vehicle is
switched on by it ? Explain with the help of a neat sketch. 3

25. From which ‘‘Metal’’ and of what ‘‘Shape’’ is the ‘‘Generator Frame’’ made
? Explain in brief with the help of a neat sketch. 3

26. What are the types of ‘‘Ignition Systems’’ ? Make a neat sketch of any one
and explain the same in brief. 3

.108 9 P.T.O.

IÊS> I

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

27. ‘‘d{Z©`a H¡${bna’’ H$s H$m`©àUmbr H$mo EH$ ñdÀN> {MÌ H$s ghm`Vm go g_PmBE & 5

28. ‘‘~¡dob àmoQ´>¡ŠQ>a’’ H$m EH$ ñdÀN> {MÌ ~ZmH$a BgHo$ ^mJm| Ho$ Zm_ {b{IE VWm BgH$m
‘‘AënV_m§H$’’ ^r {b{IE & 5

29. ‘‘gñnoÝeZ pñà¨Jm|’’ H$m dJuH$aU H$s{OE & 5

30. ‘‘dmëd _oH¡${ZµÁ_’’ {H$VZo n«H$ma Ho$ hmoVo h¢ ? {H$gr EH$ H$mo ñdÀN> {MÌ ~ZmH$a g_PmBE & 5

31. ‘‘`y{Zdg©b Ádm°BÝQ>’’ H$s H$m`©àUmbr H$mo EH$ ñdÀN> {MÌ H$s ghm`Vm go g_PmBE & 5

.108 10

SECTION B

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

27. Explain the working of ‘‘Vernier Calliper’’ with the help of a neat sketch. 5

28. Make a neat sketch of ‘‘Bevel Protractor’’ and write the names of its parts
and also write its ‘‘Least Count’’. 5

29. Give the classification of ‘‘Suspension Springs’’. 5

30. What are the types of ‘‘Valve Mechanism’’ ? Explain any one with a neat
sketch. 5

31. Explain the working of ‘‘Universal Joint’’ with the help of a neat sketch. 5

.108 11 P.T.O.