AURTTF001 WRITTEN ASSESSMENT ANAS IJAZ 20220490
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AURTTF001 Inspect and service petrol fuel systems
Assessment 1 – Questioning – Written Assessment
Student Name
Anas ijaz
Student ID Number
20220490
Unit Start Date
02/02/2023
Unit End Date
16/02/2022
Assessment Due Date
16/01/2023
Date Submitted
15/02/2023
This cover sheet is to be completed by the student and assessor and used as a record to determine student competency in this assessment task
The assessment process and tasks were fully explained.
Yes / No
I am aware of which evidence will be collected and how.
Yes / No
I am aware of my right to appeal an assessment decision.
Yes / No
I am aware that I can locate The RTO Complaints and Appeals Policy and Procedure on their website at (Insert Website Link)
Yes / No
I have discussed any additional educational support or reasonable adjustments I require in order to undertake this assessment with the Student Support Services Officer and Trainer / Assessor, (if applicable). e.g. Student Handbook and Access and Equity Policy (Insert Website Link)
Yes / No
I have access to all required resources?
Yes / No
Cheating & Plagiarism Declaration
Student Declaration: In accordance with The RTO Plagiarism Policy, I hereby acknowledge by signing this declaration that I have not cheated or plagiarised any work regarding the assessment tasks undertaken in this unit of competency except where the work has been correctly acknowledged.
NOTE: Student must sign this prior to submitting their assessments to the assessor
Signature
Anas IJAZ Date
:
15/02/2023
Assessment Results
Satisfactory
or
Not Yet Satisfactory
(Please circle the assessment result for this task)
Feedback to Student - Please provide general feedback on the Student’s performance
Student Declaration: - I verify that the work completed is my own and that I was adequately informed of the assessment process prior to commencing this assessment task.
Assessor Declaration: - I verify that I have
adequately explained and negotiated the
assessment tasks with the student prior to
commencing assessment.
Document Name:
Student Written Knowledge Assessment – AURTTF001
Created Date:
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AURTTF001 Inspect and service petrol fuel systems
Student Name
: Anas Ijaz
Assessor’s Name: Halim
Student Signature
Anas Ijaz
Date: 15/02/2023
Assessor Signature
Date
Student Guide for Written Knowledge Assessment
Overview of
Assessment
This is a written assessment task you will be assess on your knowledge of inspect and service petrol fuel system.
The topics that will be covered in the assessment are:
1.
Prepare to inspect and service petrol fuel system
2.
Inspect petrol fuel system
3.
Service petrol fuel system
4.
Complete work processes
This assessment will ensure that the elements, performance criteria,
performance evidence and knowledge evidence required, and conditions are
adhered to demonstrate competency in this unit assessment task.
•
Read the assessment carefully before commencing.
•
Your Assessor will use the assessment criteria in this document and will provide feedback / comment.
•
You MUST
answer all the questions in the assessment tasks in your own words and own handwriting.
•
This is an “Open Book” assessment, and students can use the resources listed in the “Resources Required” section below.
Task/s to be assessed
To complete this written assessment, you will need to answer the 55
questions comprising of Multiple Choice, True and False, Fill-in the Gap and Short Answer questions.
Time allowed
On average, the Assessment should take 2 – 4 hours to complete.
Location
This theory assessment will be completed in a classroom under the supervision of
a trainer/assessor.
Decision making
rules
To receive a ‘satisfactory’ outcome for this assessment students MUST
successfully answer all questions. If a student achieves less than 100%, they can reattempt the assessment after further study has taken place. Students who cannot achieve a minimum of 100% you will not have satisfactorily completed this assessment
Your assessor will be looking for the following in this assessment task: -
•
Work health and safety (WHS) and occupational health and safety (OHS) requirements relating to inspecting and servicing petrol fuel systems, including procedures for working with:
o
Stored fuel pressure
o
Flammable liquids
•
Environmental requirements, including procedures for:
o
Trapping, storing and disposing of flammable liquids released
from fuel systems
o
Disposing of filters
•
Identification, function and basic operation of petrol fuel system components, including:
o
Types and applications of fuels, including petroleum and biofuels
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AURTTF001 Inspect and service petrol fuel systems
o
Fuel tank, cap and lines
o
Fuel filters
o
Fuel pumps, including:
-
Mechanical
-
Electrical
o
Carburettors
o
Electronic control unit and sensors
o
Fuel injection system components
o
Accelerator pedal or control lever
o
Air filter and air intake housing and ducting
•
Inspection procedures for petrol fuel systems, including:
o
Inspecting components for damage and leaks
o
Inspecting air filter and air intake housing and ducting for blockage or damage
•
Service and adjustment procedures for petrol fuel systems, including:
o
Replacing fuel filter
o
Cleaning or replacing air filter and checking air intake housing and ducting for damage
o
Checking and adjusting base idle speed as required
o
Fuel pressure testing as required
•
Post-service testing procedures for petrol fuel systems.
Assessment
conditions
Assessors MUST
satisfy NVR/AQTF assessor requirements.
Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.
Assessment MUST
include direct observation of tasks.
Where assessment of competency includes third-party evidence, individuals MUST
provide evidence that links them to the petrol fuel systems that they have worked on, e.g. repair orders.
Assessors MUST
verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.
The following resources MUST
be made available:
•
Automotive repair workplace or simulated workplace
•
Workplace instructions
•
Manufacturer petrol fuel system specifications
•
Two [2] different vehicles or machinery with petrol fuel systems requiring servicing
•
Tools, equipment and materials appropriate for inspecting and servicing petrol fuel systems.
Resources required
Learning Resources available to students include:
•
Automotive Technology (A System Approach) 6
th
Edition – Chapters 5, 7, 29, 30 & 31
•
Websites –
https://www.environment.gov.au/topics/environment-
protection/fuel-
quality/compliance-act/fuel-suppliers
http://www.epa.vic.gov.au/~/media/Publications/IWRG423.pdf
http://www.mynrma.com.au/motoring-services/petrol-watch/fuel-
types.htm
http://www.rycofilters.com.au/products/fuel
http://www.free-
ed.net/sweethaven/MechTech/Automotive01/AutomotiveSystems.asp?
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AURTTF001 Inspect and service petrol fuel systems
•
Trainer Handouts
Results/Re-
assessment
•
The Assessor will grade the assessment and record the result on the front page of this document (S) – Satisfactory if all observable behaviours are correct and (NS) not satisfactory if any areas are left incorrect
•
Feedback will be provided on either result
•
Where a student receives a ‘NS – Not Satisfactory’ result, the assessor will discuss the area of the non-compliant observable behaviour and an opportunity given for re- assessment. This may be through direct observation or a different method of assessment e.g. verbal/oral questioning, problem solving exercise.
•
If the outcome is again not satisfactory the student result will be deemed
(NYC) not yet competent. Additional feedback will be given, and a time agreed upon for further assessment after additional training and skills practice has taken place, this information will be recorded, dated and signed in the re-assessment area on the last page of this document
•
Where all the assessment tasks have been graded (S) Satisfactory, the
student will be deemed C – Competent for the practical component and
the result recorded and signed in the area indicated on the last page of
this document
Reasonable
Adjustment
If the participant is unable to undertake the written assessment as designed, an interview (verbal questioning) may be used as an alternate approach.
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AURTTF001 Inspect and service petrol fuel systems
Assessment 1 – Questioning
Written Assessment
1.
Identify four (4) important items of personal safety when inspecting and servicing petrol fuel systems?
1
1 skin protection
2
2 foot protection
3
3 clothing
4
4 safety glasses
2.
What precautions should be taken before disconnecting or removing a component of an EFI system? depressurised the fuel system before removing fuel component
Multiple Choice question. Select the correct answer.
3.
Petrol is?
A.
Highly volatile.
B.
Highly flammable.
C.
Dangerous, especially in vapour form. D.
All
answers are
correct.
Multiple Choice question. Select the correct answer.
4.
What class of fire extinguisher should be used on petrol fires?
A.
Class A. B.
Class
B.
C.
Class C.
D.
Class D.
5.
How should flammable liquids released from the petrol fuel system be stored and disposed?
should be correctly stored in a cool dry, well ventilated area, away from ignition sources, should be
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labelled and removed by licensed contractor
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AURTTF001 Inspect and service petrol fuel systems
Multiple Choice question. Select the correct answer.
6.
When changing the petrol fuel filter, what should you use to catch the flammable liquids released from the petrol fuel system?
A.
Drain
pan.
B.
Mop bucket.
C.
Storm water drain.
D.
Funnel.
7.
When handling, trapping, storing and disposing of flammable liquids released from the petrol fuel system, which document should you use to find this information?
SDS
8.
Name the five [5] current types of petrol?
1
Unleaded
2
, e10,
3
e85,
4
premium unleaded,
5
ultra-unleaded premium
9.
What are the two (2) main chemicals in petrol?
1
Hydrogen
2
Carbon
10.
What is meant by ‘RON?
Reset Octane Number
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AURTTF001 Inspect and service petrol fuel systems
11.
What are fuel tanks made
of? steel, aluminium, plastic
12.
Name the thirteen [13] components of the fuel tank assembly below?
1
1 fuel pump assembly
2
2 brackets
3
3 filler neck
4
4 tank cap
5
5 bracket
6
6 earth strap
7
7 vent pipe
8
8 tank
9
9 straps
10
10 vapor line
11
11 return line
12
12 supply line
13
13 bracket
13.
Why is a fuel tank cap fitted with a valve?
allows air to enter the fuel tanks to replace the fuel been used.
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to prevent lager contamination particles entering the fuel system where they could cause excessive fuelw
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AURTTF001 Inspect and service petrol fuel systems
14.
What lines or pipes connect the engine to the fuel tank?
inline pump is connected directly into the fuel supply line with inlet connection one end and outlet
connection on the other end.
Multiple Choice question. Select the correct answer.
15.
The fuel filter on a modern vehicle is typically mounted.
A.
Under
the
vehicle.
B.
On the end of the fuel rail.
C.
On the intake manifold.
D.
On the side of the engine block.
16.
The role of the fuel filter is?
to collect the contaminant and moisture in the fuel system to allow the clean flited fuel into engine.
17.
What is the purpose of the strainer filter in the tank?
18.
Describe briefly how a mechanical fuel pump function.
camshaft rotates causing the rocker arm to move the diaphragm, as the diaphragm is pulled down, fuel is
drawing from the inlet valve of the pump chamber, as the air frame move by the spring, fuel is moved
from
chamber through the outlet valve into carburettor
19.
What is the function of the diaphragm spring?
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AURTTF001 Inspect and service petrol fuel systems
to force the diaphragm upward to creating pressure that required.
1
1 Inlet valve
2
2 diaphragm
3
3 pull-rod
4
4 diaphragm link
5
5 rocker arm
6
6 cam on the engine camshaft
7
7 outlet valve
8
8 diaphragm return spring
9
9 spring
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AURTTF001 Inspect and service petrol fuel systems
20.
Name the nine [9] parts of a mechanical fuel pump below.
21.
Name the seven [7] parts of an inline electrical fuel pump below.
1
1 inlet
2
2 relief valve
3
3 Roller -cell pump
4
4 outlet
5
5 non-return valve
6
6 armature
7
7 permanent magnet
22.
Briefly describe the operating principle of the electrical rotary type fuel pump.
Drives the roller Cell pump, the fuel is taken in the inlet pot and carried around the roller and dropped
off
in the outlet.
23.
What are the two (2) types of electrical fuel pump on EFI vehicles?
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2
Inline fuel pump
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AURTTF001 Inspect and service petrol fuel systems
24.
What is the purpose of the carburetor?
It will optimize the fuel to provide the correct mixture of air and fuel.
25.
What is the purpose of a fuel jet in a carburetor?
Meter the amount of fuel transferred to the inlet pot. Power jet provides the extra fuel when maximum power is
required. Air fuel ratio is controlled
26.
What is the meaning of Stoichiometric Ratio?
Chemically correcting mixture of fuel and air by MAS, to ensure all fuel burns with valve, oxygen to water and
carbon only. The ratio is 14.7 : 1.
27.
Name the twenty-six [26] parts of a carburetor below.
1
1 Air horn
14 14 Idle tube
1
1 Ignition coil with igniter
2
2 Camshaft timing oil control valve
3
3 injector
4
4 throttle control motor and throttle position
5
sensor
6
5 camshaft position sensor
7
6 water temperature sensor
8
7 knock sensor
9
8 heated oxygen sensor
10 9 air/fuel ratio sensor
AURTTF001 Inspect and service petrol fuel systems
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2
2 Choke valve
15
15 Main jet
3
3 Idle air bleed
16
16 Idle needle valve
4
4 Internal vent
17
17 Idle discharge
5
5 Vacuum piston
18
18 Progression drillings
6
6 Duration spring
19
19 Throttle valve
7
7 Acceleration pump rod
20
20 Air holes
8
8 Vent to charcoal canister
21
21 Accelerator pump outlet valve
9
9 Needle valve
22
22 Main venturi
10 10 Accelerator pump inlet valve
23
23 Small venturi
11 11 Accelerator pump plunger
24
24 Main discharge nozzle
12 12 float
25
25 Accelerator pump discharge nozzle
13 13 power valve
26
26 High speed air bleed
28.
Name the ten [10] sensors and other engine components below.
29.
What is the ECU and what is the purpose of the ECU in an EFI system?
It
is
a
microcomputer
receives
the
signal
of
number
of
sensor,
processed
them,
use
to
operate
the
injectors
1
1 Pressure Regulator
2
2 Fuel Rail
3
3 Fuel Supply Hose
4
4 Injector
5
5 Electronic Connector
6
6 Fuel return Hose
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AURTTF001 Inspect and service petrol fuel systems
30.
Name the six [6] components of the fuel injection system below.
31.
Where are the fuel injectors located on the following fuel injection systems?
EFI: on the intake manifold
Direct injection: Cylinder in the cylinder head
Centre Point: Throttle body
Multiple Choice question. Select the correct answer.
32.
The fuel pressure regulator on a return-less fuel system is located.
A.
Inside
the
fuel
tank.
B.
On the end of the fuel rail.
C.
On the fuel filter inlet.
D.
Nowhere – a return-less system has no pressure regulator.
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AURTTF001 Inspect and service petrol fuel systems
33.
What controls the operation of the injector? Voltage signal from the ECU
34.
How is the pressure controlled in the fuel injection system?
fuel rail maintains the regulated fuel pressure
35.
What is the function of the throttle body?
Control the amount of air entering the engine. By using throttle butterfly valve.
36.
Name the seven [7] components of the throttle body assembly below.
1
1 Chamber
2
2 Throttle Body
3
3 Vacuum Hose
4
4 Sensor Connector
5
5 Air Intake
6
6 Idle Valve
37.
Name the eleven [11] parts of the air cleaner and air intake system
below.
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AURTTF001 Inspect and service petrol fuel systems
1
1 Air Duct
2
2 Air Cleaner
3
3 Air Intake Hose
4
4 Gromet
5
5 Cover
6
6 Air Cleaner Body
7
7 Air Cleaner Element
8
8 Air Flow Sensor
9
9 Air Flow Gasket
10 10 Noise Reduction Filter
11 1 Air Duct
38.
Why is air cleaned before it enters the engine?
Is to filter unfiltered air and collect all the abrasives that could damage the engine.
39.
Describe the action of the dry element air cleaner.
Is made of fine metals materials that remove the impurity but has very little restriction to air.
40.
What checks can be made of the carburettor and throttle body linkage?
free play, adjusted, not binding together
41.
What would be the effect of an air leak at a connection after the air cleaner?
Will cause unfiltered air to enter the system.
42.
What would be the likely effect of an air leak after the throttle body of an EFI intake system?
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AURTTF001 Inspect and service petrol fuel systems
If the air is leaking after EFI, it will up set the air mixture.
Multiple Choice question. Select the correct answer.
43.
A blocked fuel filter will cause.
A.
High speed surge.
B.
Loss of power at high speed.
C.
Hesitation on acceleration. D.
All answers
are
correct.
44.
What could cause a fuel leak in a carburetor?
Could be cause by a loose screw in the main body, loose plug in the bottom of flow valve, fuel level too high,
break fuel valve.
45.
Faulty fuel lines and hoses are a common source of fuel leaks. Why?
Fuel hoses can become hard when exposed to engine heat. Metal fuel lines should be replaced when
smashed, rusty and leaking.
Multiple Choice question. Select the correct answer.
46.
Which of the following is a typical fuel filter replacement interval?
A.
50,000km.
B. 160,000km.
C. 80,000km.
D. 25,000km.
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47.
The arrow printed on a fuel filter must face in what direction?
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only use the vacuum
AURTTF001 Inspect and service petrol fuel systems
flow
48.
How is an air cleaner element cleaned?
49.
What checks can be made to the air intake housing and ducts?
Have to check the connections if they are proper fitted. Good flow of air. The hoses should be checked. It can’t
be leaking air
50.
Where is the adjustment for the idle speed located on a carburetor?
It is located in the throttle valve shaft.
51.
A fuel pressure gauge is used to check what?
discharge rate of pressure from fuel pump also regulator pressure in the system and pressure drop.
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AURTTF001 Inspect and service petrol fuel systems
Multiple Choice question. Select the correct answer.
52.
Which of the following statement regarding the usage of a fuel pressure gauge is true?
A.
Typical fuel pressure for a fuel injection system is 100 to150 psi.
B.
A drop-in fuel pressure results in a rich air/fuel mixture.
C.
Both “Typical fuel pressure for a fuel injection system is 100 to150 psi” and “A drop in fuel pressure results in a rich air/fuel mixture”.
D.
Neither “Typical fuel pressure for a fuel injection system is 100 to150 psi” and “A drop in fuel pressure results
in a
rich air/fuel
mixture”.
Multiple Choice question. Select the correct answer.
53.
Which source of information will give you the most detail about inspecting and servicing petrol fuel systems on the vehicle you are working on?
A.
Workshop
manual.
B.
Owner’s manual.
C.
Google.
D.
Textbooks.
54.
Why is it very important that the Job Card is completed correctly?
because it is a legal document
55.
Consider the various post service checks that you would make on the petrol fuel system?
check the fuel leaks around fuel filter, and road test for performance check.
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