CBSE Class 10 Automobile Technology Question Paper 2019

SET-4
Series JMS H$moS> Z§.
Code No. 91
amob Z§. narjmWu H$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.

 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 8 h¢ &
 àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma -nwpñVH$m Ho$ _wI-n¥>ð> na
{bI| &
 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >31 àíZ h¢ &
 H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
 Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU nydm©•
_| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
 Please check that this question paper contains 8 printed pages.
 Code number 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 31 questions.
 Please write down the Serial Number of the question 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.

Am°Q>mo_mo~mBb VH$ZrH$s
AUTOMOBILE TECHNOLOGY

{ZYm©[aV g_` : 2 KÊQ>o A{YH$V_ A§H$ : 50
Time allowed : 2 hours Maximum Marks : 50

91 1 P.T.O.

gm_mÝ` {ZX}e :
(i) Bg àíZnÌ ‘| 31 àíZ em{‘b h¢ {OZ‘| go Aä¶Wu H$mo {g’©$ 23 àíZ H$aZo H$s µOê$aV h¡ &
(ii) àíZnÌ Xmo IÊS>m| ‘| {d^m{OV h¡ &
I. IÊS> A$
 ~hþ{dH$ënr¶ àíZ/[a³V ñWmZ ^[aE/grYo àíZ : Hw$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 : Bg_| Hw$b 7 àíZ em{‘b h¢, à˶oH$ 2 A§H$ Ho$ h¢ &
BZ‘| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
 bKw CÎmar¶ àíZ : Bg‘| Hw$b 7 àíZ em{‘b h¢, à˶oH$ 3 A§H$ Ho$ h¢ & BZ‘| go
{H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
II. IÊS> ~
 XrK© CÎmar¶/{Z~ÝYmË‘H$ àíZ : Bg‘| Hw$b 5 àíZ em{‘b h¢, à˶oH$ 5 A§H$ Ho$
h¢ & BZ‘| go {H$Ýht 3 àíZm| Ho$ CÎma Xr{OE &
General Instructions :

(i) This question paper contains 31 questions out of which the candidate
needs to attempt only 23 questions.

(ii) Question paper is divided into two sections :

I. 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.

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

91 2

IÊS> A$
~hþ{dH$ënr` àíZ
SECTION A
Multiple Choice Questions
Bg IÊS> _§o ~hþ{dH$ënr` àíZ /grYo àíZ 1 – 1 A§H$ Ho$ em{_b h¢ & {H$Ýht Xg àíZm| Ho$ CÎma
Xr{OE & 110=10
This section contains multiple choice questions/direct questions of 1 mark each.
Attempt any ten questions.

1. {ZåZ{b{IV _| go H$m¡Z-gm nwaOm noQ´>mob B§OZ H$m Zht h¡ ? 1
(H$) â`yb BÝOoŠeZ n§n (E\$.AmB©.nr.) (I) B{½ZeZ H$m°Bb
(J) {S>ñQ´>rã`yQ>a (K) â`yb {\$ëQ>a
Which of the following is not a component of Petrol Engine ?
(a) Fuel Injection Pump (FIP) (b) Ignition coil
(c) Distributor (d) Fuel filter

2. EH$ nyar Vah go MmO© boS>-Eo{gS> ~¡Q>ar _| EopŠQ>d _Q>o[a`ëg nm°{g{Q>d ßboQ²>g Ho$ {bE
h¡ 1
(H$) ewÕ boS> (Pb) (I) boS> nam°ŠgmBS> (PbO2)
(J) ñnm±Or boS> (K) gëâ`y[aH$ Eo{gS> (H2SO4)
In a fully charged lead-acid battery the active materials for positive
plates is
(a) Pure lead (Pb) (b) Lead peroxide (PbO2)
(c) Spongy lead (d) Sulphuric acid (H2SO4)

3. YmVw Ho$ EH$ Qw>H$‹S>o na {~§Xþ H$s N>mn bJmZo Ho$ {bE {ZåZ{b{IV _| go H$m¡Z-go Am¡µOma H$m
Cn`moJ hmoJm ? 1
(H$) n§M (I) pñZn
(J) h¡_a (K) a|M
To form an impression of the tip on a workpiece, which of the following
tools is used ?
(a) Punch (b) Snips
(c) Hammer (d) Wrenches

91 3 P.T.O.

4. Q>¡H$mo_rQ>a Cn`moJ hmoVm h¡, _mnZo Ho$ {bE 1
(H$) n[anW H$m AdamoY (I) Jm‹S>r H$s J{V
(J) B§OZ H$s J{V (K) B§OZ H$s e{º$
Tachometer is used to measure the
(a) Resistance of a circuit (b) Speed of vehicle
(c) Speed of engine (d) Power of engine

5. {ZåZ{b{IV _| go H$m¡Z-go _mnZo dmbo Am¡µOma _| A§V{Z©{hV _mnr ñHo$b Zht hmoVm h¡ ? 1
(H$) ñQ>rb ê$ba (I) H¡${bna
(J) ñH«y$ JoO (K) d{Z©`a H¡${bna
Which of the following measuring tools does not have the in-built
measuring scale ?
(a) Steel ruler (b) Caliper
(c) Screw gauge (d) Vernier caliper

6. ìhrb ~¡bopÝg¨J _________ KQ>mZo _| _XX H$aVr h¡ & 1
(H$) dOZ (I) g§H$f©U
(J) Q>m`a H§$nZ (K) hdm H$m X~md
Wheel balancing helps in minimizing
(a) Weight (b) Traction
(c) Tyre vibration (d) Air pressure

7. Jm‹S>r Ho$ E`a {\$ëQ>a H$mo gm\$ H$aVm h¡ 1
(H$) agm`Z (I) nmZr
(J) {_Å>r H$m Vob (K) E`a ãbmoAa
Air filter of a vehicle is cleaned by
(a) Chemical (b) Water
(c) Kerosene (d) Air blower

8. hmWm| go YwbmB© H$aVo g_` H$ma _| ___________ H$m Cn`moJ qdS>ñH«$sZ Am¡a qdS>mo ½bmg
H$mo gm\$ H$aZo _| H$aVo h¢ & 1
(H$) {S>Q>OªoQ> (I) {S>e gmon
(J) Q>oar Šbm°W (K) A˜~ma
In the process of manual wash of a car, __________ is used for cleaning of
windscreen and window glasses.
(a) Detergent (b) Dish soap
(c) Terry cloth (d) Newspaper
91 4

9. EH$ H$ma _| Hy$qbJ {gñQ>_ Ho$ ~ohVa àXe©Z Am¡a ao{S>EQ>a {gñQ>_ H$mo O§J go ~MmZo Ho$ {bE
Hy$b|Q> H$mo ~XbVo h¢ àË`oH$ 1
(H$) 6 _hrZm| _| (I) 1 df© _|
(J) 2 df© _| (K) 3 df© _|
For better performance of cooling system in a car and to keep the radiator
system free of corrosion, change the coolant after every
(a) 6 months (b) 1 year
(c) 2 years (d) 3 years

10. Am°Q>mo_mo~mBb _| _mBH«$moàmoggo a gh gH$Zm Mm{hE Vmn_mZ Ho$ CVma-M‹T>md H$mo __________
go ___________ g|Q>rJ«oS> &> 1
(H$) 0 go 100 (I) 0 go 120
(J) – 40 go 130 (K) – 20 go 100
Microprocessors in automobiles must withstand temperature swings from
__________ to _____________ C.
(a) 0 to 100 (b) 0 to 120
(c) – 40 to 130 (d) – 20 to 100

11. godm nwpñVH$m Ho$ AZwgma, `h Oê$ar h¡ {H$ B§OZ Am°`b Am¡a Hy$b|Q> H$mo _______ MoH$ H$a| & 1
(H$) à{V{XZ (I) gmám{hH$
(J) Xmo gámh _| (K) _hrZo _|
As per service manual, it is mandatory to check the level of engine oil and
coolant
(a) Daily (b) Weekly
(c) Fortnightly (d) Monthly

12. EH$ Cn`moJr OmZH$mar Omo J«mhH$ nwpñVH$m _| Xr OmVr h¡, CgH$m h_oem g_` na nmbZ
H$aZm Oê$ar hmoVm h¡, Jm‹S>r H$s/Ho$$ ______________ ~‹T>mZo Ho$ {bE & 1
(H$) gw§XaVm (I) Vob H$s InV
(J) Q>m`a H$s C_« (K) gwajm àUmbr
The useful information given in the owner’s manual should always be
followed as per schedule in order to improve the ___________ of the
vehicle.
(a) look (b) fuel mileage
(c) tyre life (d) safety system

91 5 P.T.O.

Very Short Answer Type Questions
A{V bKw CÎmar` àíZ

{H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & 25=10

Answer any five questions.

13. B§OZ H$s H$m`©j_Vm H$mo n[a^m{fV H$s{OE & 2
Define engine capacity.

14. {b{ŠdS> Hy$qbJ {gñQ>_ _| W_m©oñQ>oQ> Ho$ H$m`m] H$mo {b{IE & 2
Write the function of thermostat in liquid cooling system.

15. AZ-ñà§J doQ> Š`m h¡ ? 2
What is un-sprung weight ?

16. Eg.AmB©. (S.I.) B§OZ _| B{½ZeZ H$m°Bb Ho$ H$m`© H$mo {b{IE & 2
Write the function of ignition coil in the S.I. engine.

17. B§OZ Am°`b H$mo ~XbZo Ho$ {bE EH$ H$ma H$mo H¡$go V¡`ma H$a|Jo ? 2
How can one prepare a car for changing engine oil ?

18. EH$ AmXe© Hy$b|Q> H$s {deofVmE± {b{IE & 2
Write the properties of an ideal coolant.

19. â`yb {\$ëQ>a H$mo {Z_m©Vm Ho$ Ûmam AZwe§{gV g_`md{Y Ho$ AZwgma ~XbZm Š`m| Oê$ar h¡ ? 2
Why is replacement of fuel filter necessary at the manufacturer’s
recommended interval ?

91 6

Short Answer Type Questions
bKw CÎmar` àíZ

{H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & 35=15
Answer any five questions.

20. Jm‹S>r _| EH$ AÀN>o ~«oqH$J {gñQ>_ H$s Amdí`H$VmE± Š`m h¢ ? 3
What are the requirements of a good braking system in a vehicle ?

21. {MÌ Ho$ Ûmam \$mBZb S´>mBd Ho$ hmBnmBS> {J`am| H$mo g_PmBE & 3
With sketch, explain the hypoid gears of final drive.

22. Q>m°H©$ a|M H$mo g§jon _| g_PmBE & 3
Explain torque wrench in brief.

23. EH$ H$ma _| â`yb {\$ëQ>a H$mo ~XbZo Ho$ {bE {H$Z-{H$Z gm_{J«`m| Am¡a Am¡µOmam| H$s
Amdí`H$Vm hmoJr ? 3
What are the materials and tools required for changing of fuel filter in a
car ?

24. ‘J«mhH$ godm’ Am¡a ‘J«mhH$ ghm`Vm’ H$mo n[a^m{fV H$s{OE & 3
Define ‘Customer Service’ and ‘Customer Support’.

25. Am°Q>mo_mo~mBb _| ‘E§Q>r-bm°H$ ~o«oqH$J {gñQ>_’ (ABS) H$mo g_PmBE & 3
Explain ‘Anti-lock Braking System (ABS)’ in automobiles.

26. EH$ godm nwpñVH$m _| Jm‹S>r Ho$ J«mhH$ H$mo Š`m gyMZm àXmZ H$s OmVr h¡ ? 3
What is the information provided in a service manual to the vehicle
owner ?

91 7 P.T.O.

IÊS> ~
XrK© CÎmar` àíZ
SECTION B
Long Answer Type Questions

{H$Ýht VrZ àíZm| Ho$ CÎma Xr{OE & 53=15
Answer any three questions.

27. {ZåZ{b{IV hmW Ho$ Am¡µOmam| Ho$ dJuH$aU Am¡a Cn`moJ {b{IE : 5
(H$) h¡_a
(I) Mrgb
Write the classification and uses of the following hand tools :
(a) Hammer
(b) Chisel

28. EH$ Jm‹S>r H$mo hmWm| go YmoZo/gm\$ H$aZo H$s à{H«$`m H«$_~Õ {b{IE & 5
Write the step-by-step procedure for manually cleaning/washing a
vehicle.

29. J«mhH$ godm Ho$ _hÎdnyU© nhby H$mo g_PmBE & 5
Explain important aspects of customer service.

30. H$ma gwajm VH$ZrH$s _| {ZåZ{b{IV ZE Am{dîH$mam| H$mo g_PmBE : 5
(H$) Q>m`a _| hdm Ho$ X~md H$mo Om±MZo H$m VarH$m
(I) ãbm§BS> ñnm°Q> {S>Q>oŠeZ VH$ZrH$s
Explain the following new innovations in car safety technology :
(a) Tyre air pressure monitoring system
(b) Blind-spot detection technology

31. Jm‹S>r _| gñn|eZ {gñQ>_ H$mo g_PmBE & 5
Explain the suspension system in a vehicle.

91 8