Goa Board Class 10 Question Paper Mar 2019 Automobile NSQF

2019 IV 16 0930 Seat No.

Time : 1½ Hours AUTOMOBILE

Subject Code (NSQF)

S 0 7 2

Total No. of Questions : 3 (Printed Pages : 6) Maximum Marks : 30

INSTRUCTIONS : (i) Answer each question on a fresh page.

(ii) Write the question number and subquestion number
clearly.

(iii) All questions are compulsory.

(iv) Figures to the right indicate full marks.

1. (A) Choose and write the correct alternatives from the options given
below : 3

(1) Relative change of viscosity with temperature is
called ................................. .

(a) viscosity index

(b) chemical stability

(c) physical stability

(d) pour point

(2) A flywheel of an engine can be properly removed by
using ............................ .

(a) universal clutch holding tool

(b) flywheel puller

(c) torque wrench

(d) tappet wrench

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(3) In ............................ chassis engine is fitted outside the driver’s

cabin.

(a) bus chassis

(b) semi-forward

(c) full forward

(d) engine at centre

(4) Air filter is cleaned by ............................ .

(a) chemical

(b) air

(c) oil

(d) water

(5) The function of ............................ is to convert low voltage into

high voltage in ignition system.

(a) spark plug

(b) current regulator

(c) cut out relay

(d) ignition coil

(6) Coolant should be changed by loosening drain plug given on

the ............................ .

(a) radiator

(b) reservoir tank

(c) thermostat valve

(d) oil sump

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(B) Answer the following questions in one sentence : 3

(1) What does the minimum and maximum marks on the dipstick

indicate ?

(2) List any two assistance provided by customer service.

(3) Define clearance volume.

(C) Answer the following questions in two sentences : 4

(1) Explain Bench vice.

(2) State any two functions of front axle.

2. (A) Choose and write the correct alternatives from the options given

below : 3

(1) The total piston displacement is also known as ........................ .

(a) clearance volume

(b) swept volume

(c) compression ratio

(d) stroke

(2) A grease gun is a common workshop tool used for ......................... .

(a) cooling

(b) lubrication

(c) painting

(d) washing

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(3) In ............................ system the fuel tank is mounted at the

highest position from where fuel drops into the carburetor float

chamber.

(a) gravity system

(b) pressure system

(c) vacuum system

(d) pump system

(4) Oil level in the engine is checked by ............................ .

(a) oil filler cap

(b) measuring cup

(c) hydrometer

(d) dipstick

(5) Rolling resistance depends upon ............................ .

(a) direction of wind

(b) slope of the road

(c) material of the road surface

(d) driving habits

(6) The air filter is changed after every ............................ .

(a) 50,000 kms

(b) 10,000 kms

(c) 1,00,000 kms

(d) 5,000 kms

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(B) Answer the following questions in one sentence : 3

(1) Write the full form of IHP related to engine.

(2) Name the special tool which is used to apply specific torque for

nut or bolt.

(3) State any two aspects of customer service.

(C) Answer the following questions in two sentences : 4

(1) What precautions has to be taken during washing ? (any two)

(2) Explain the following innovations made in automobile :

(a) Sensitive air bag system

(b) Tyre pressure monitoring system.

3. (A) Answer the following questions in one sentence : 3

(1) Why separators are placed between positive and negative plates

in the battery ?

(2) Name any two types of universal joint.

(3) Write any two points on how clogged fuel filter affects the

engine.

(B) Answer the following questions in two sentences : 4

(1) Classify the engine according to the following :

(a) Arrangement of cylinders

(b) Type of ignition

(2) Define the terms “Sprung weight” and “Dipping” related with

suspension system.

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(C) Draw the given image of final drive and label (A) and (B). 3

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