Goa Board Class 12 Question Paper June 2019 Auto Servicing and Garage Management

2019 VI 12 1430 Seat No.

Time : 2 Hours AUTO SERVICING & GARAGE MANAGEMENT
Subject Code

V 3 7 1

Total No. of Questions : 5 (Printed Pages : 3) Maximum Marks : 50

INSTRUCTIONS : (i) All questions are compulsory.

(ii) Answer each questions on a fresh page.
(iii) Write the numbers of question and sub-question
clearly.
(iv) Figures to the right indicate full marks.
1. (A) Answer the following questions :
(1) State which gauge is used to check the level of oil in an Engine.1
(2) Mention any four causes and remedies for the Trouble ‘‘Engine
does not pick up speed.’’ 2
(3) State any two causes and remedies of each trouble in Gear box :
(a) Gear clash during shifting. 1
(b) Leakage of gear oil. 1
(4) How will you check and Inspect the shock absorber, off the
vehicle. 2
(B) List out any six points on maintenance of ‘Cooling system’. 3
2. (A) Answer the following questions :
(1) What is the function of Thermo Switch ? 1
(2) How will you check an Injector of a diesel engine by ‘‘Leak off
test’’ ? 2
(3) What are the Responsibilities of a ‘‘Store Keeper’’ ? 2
(4) How will you inspect the front axle beam for Distortion and
twist ? 2

(B) State any six causes and remedies for the trouble ‘‘Burnt Valve.’’ 3

3. (A) Answer the following questions :

(1) Mention two causes and remedies for the trouble ‘‘Spongy

Brake.’’ 1

(2) Mention the points to check and inspect the clutch plate of a

diaphragm type of clutch ? 2

(3) What formalities are required to avail the Learning License ? 2

(4) State any four objectives of inventory control. 2

(B) Write the procedure to conduct the fuel consumption test of a two wheelar

on Raod. 3

4. (A) Answer the following questions :

(1) What is meant by ‘‘Fading of Brake’’ ? 1

(2) How will you check and adjust the back lash between crown wheel

and pinion gear by ‘’Dial Gauge’ method ? 2

(3) Write the procedure to check chassis frame alignment by plumb
line method ? 2

(4) What is the purpose of ‘‘Auto Insurance’’ ? 2

(B) Write the procedure to carry out centre mid position adjustment of a

steering gear box ? 3

5. (A) Answer the following questions :

(1) State which instrument is used to measure the thickness of ‘‘Disc

Brake’’. 1

(2) What will happen if propeller shaft is bent ? How it is

Rectified ? 2

(3) How the efficiency of employer based factors can be increased ? 2

(4) Write the procedure to do servising of ‘‘Oil Cooler’’. 2

(B) Write the procedure to do replacement of diesel fuel filters. 3