LA025502 MARC037 2of3

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Knowledge Assessment – Assignment 2 Criteria Unit code, name and release number MARC037 - Operate inboard and outboard motors (1) Qualification/Course code, name and release number Student details Student number 377158831 Student name Allie Downie Assessment Declaration Note: If you are an online student, you will be required to complete this declaration on the TAFE NSW online learning platform when you upload your assessment. This assessment is my original work and has not been: plagiarised or copied from any source without providing due acknowledgement. written for me by any other person except where such collaboration has been authorised by the Teacher/Assessor concerned. Student signature and Date Allie Downie 3/05/23 Document title: LA025502_MARC037_AE_Kn_2of3 Page 1 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
Version: 20210219 Date created: 4 March 2019 Date modified: 02/01/2024 For queries, please contact: Product Manager (Aviation, Automotive & Marine) Supply Chain and eCommerce Skills Point Building V, Myall St Campus, Dubbo NSW 2830 © 2021 TAFE NSW, Sydney RTO Provider Number 90003 | CRICOS Provider Code: 00591E This assessment can be found in the: Learning Bank The contents in this document is copyright © TAFE NSW 2021, and should not be reproduced without the permission of the TAFE NSW. Information contained in this document is correct at time of printing: 2 January 2024. For current information please refer to our website or your teacher as appropriate.. Document title: LA025502_MARC037_AE_Kn_2of3 Page 2 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
Assessment instructions Table 1 Assessment instructions Assessment details Instructions Assessment overview The objective of this assessment is to assess your knowledge as would be required to assess your knowledge as would be required to operate inboard and outboard motors, and to diagnose basic faults. Assessment Event number 2 of 3 Instructions for this assessment This is a written assessment and it will be assessing you on your knowledge of the unit. This assessment is in 3 parts: 1. Matching choice question 2. Multiple choice questions 3. Assessment feedback . Submission instructions On completion of this assessment, you are required to submit it to your Teacher/Assessor for marking. If you are completing this as an online quiz, ensure you click the submit button when complete. You can save as you progress to avoid losing your work. Ensure you have included your name at the bottom of each document you submit. This is not required for an online quiz. It is important that you keep a copy of all electronic and hardcopy assessments submitted to TAFE and complete the assessment declaration when submitting the assessment. What do I need to do to achieve a satisfactory result? To achieve a satisfactory result for this assessment all questions must be answered correctly. If a resit is required to achieve a satisfactory result it will be conducted at an agreed time after a suitable revision period. What do I need to provide? • TAFE NSW student account username and password. If you do not know your username and password, contact your campus or service centre on 131601. • Computer or other device with word processing software and Document title: LA025502_MARC037_AE_Kn_2of3 Page 3 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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Assessment details Instructions internet access • Writing materials, if required • Calculator, pens What the Teacher/Assessor will provide • Access to this assessment and learning resources, including the student workbook and any supporting documents or links. Due date Time allowed As arranged 1 hour (Indicative only) Supervision This is an unsupervised, take-home assessment. Your Teacher/Assessor may ask for additional evidence to verify the authenticity of your submission and confirm that the assessment task was completed by you. You may access your referenced text, learning notes and other resources. Assessment feedback, review or appeals In accordance with the TAFE NSW policy Manage Assessment Appeals, all students have the right to appeal an assessment decision in relation to how the assessment was conducted and the outcome of the assessment. Appeals must be lodged within 14 working days of the formal notification of the result of the assessment. If you would like to request a review of your results or if you have any concerns about your results, contact your Teacher/Assessor or Head Teacher. If they are unavailable, contact the Student Administration Officer. Contact your Head Teacher for the assessment appeals procedures at your college/campus. Document title: LA025502_MARC037_AE_Kn_2of3 Page 4 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
Part 1: Matching choice 1. Draw a line to match the parts labelled in the diagram with their names © TAFE NSW Part name Part Cotter pin A Propeller nut B Thrust bushing C Spacer D Position keeper E Document title: LA025502_MARC037_AE_Kn_2of3 Page 5 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
Part 2: Multiple choice 1. Why is lubricating oil mixed in petrol, for 2-stroke outboard engines? Answer choices Put X next to your answer a) because circulating oil system is not possible. X b) because the crankcase is not used for compression. c) because they are four cycle engines. d) because they have a "wet sump" system. 2. The level of lubricating oil in a 4-stroke outboard engine: Answer choices Put X next to your answer a) is fixed because it is in a sealed container. b) can be checked at any time with a dip stick. X c) cannot be checked. d) can only be checked when adding it to fuel. Document title: LA025502_MARC037_AE_Kn_2of3 Page 6 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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3. While operating normally, an outboard motor has suddenly dropped its revs from 5000 to 2500 RPM, and it is sounding an alarm. What is the most likely cause? Answer choices Put X next to your answer a) overloaded motor. b) overheated motor. X c) broken shear pin. d) fouled propeller. 4. A diesel engine may give off black smoke due to (i) engine overload. (ii) restricted inlet ports. (iii) air in fuel line. (iv) restricted air filter. Answer choices Put X next to your answer a) all except (iv). b) all except (i). c) all except (ii). d) all except (iii). X Document title: LA025502_MARC037_AE_Kn_2of3 Page 7 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
Answer choices Put X next to your answer Document title: LA025502_MARC037_AE_Kn_2of3 Page 8 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
5. The parts of an outboard engine control system include: (i) lanyard for emergency cut-off switch. (ii) ignition/starter/priming switch. (iii) trim/tilt switch. (iv) lube oil pump switch. Answer choices Put X next to your answer a) all except (ii). b) all except (iii). c) all except (i). d) all except (iv). X 6. Why is it important to ensure correct petrol/oil mix in a 2-stroke outboard engine? Answer choices Put X next to your answer a) oil stabilises petrol. b) engine overheats due to excessive oil. c) spark plugs foul without sufficient oil. d) oil in petrol lubricates engine. X Document title: LA025502_MARC037_AE_Kn_2of3 Page 9 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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7. What action is recommended to start a reluctant diesel engine when cold or with low batteries? Answer choices Put X next to your answer a) use ether spray over the air intake. b) use the glow plugs. X c) use petrol soaked rag over the air intake. d) bleed the fuel system. 8. An Electronic Fuel Injection (EFI) outboard fails to start with the electrical starter. In which of the following situations can it be manually pull started? Answer choices Put X next to your answer a) if it is fitted with two flywheels. b) if the main switch is in the 'start' position. c) if the battery charge is sufficient to operate the fuel pump. X d) even if the battery is flat. Document title: LA025502_MARC037_AE_Kn_2of3 Page 10 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
9. Which statement is incorrect in relation to engine electric starting systems? Answer choices Put X next to your answer a) do not use a battery-isolating switch that causes spikes. b) cranking an engine continuously for more than 30 seconds can overheat the starter motor. c) use as large a cable as possible. d) battery powered starter motors provide engine mounted push button start. X 10. After starting an inboard engine, an alarm continues to sound. What is the most likely cause? Answer choices Put X next to your answer a) dirty fuel supply. b) engine overheating. c) engine overloading. d) low oil pressure. X Document title: LA025502_MARC037_AE_Kn_2of3 Page 11 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
11. The good housekeeping rules for the engine compartment are: (i) Keep bilges clean and dry. (ii) Minimise ventilation. (iii) Keep fire watch around the exhaust system. (iv) Store oily rags in a container. Answer choices Put X next to your answer a) all except (ii). X b) all except (i). c) all except (iii). d) all except (iv). 12. An engine misfires and slows down after a rough trip. What is it a sign of? Answer choices Put X next to your answer a) dirty air filter. b) faulty coolant system. c) water in fuel. d) algae sediment in the fuel tank. X Document title: LA025502_MARC037_AE_Kn_2of3 Page 12 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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13. What will happen if an inboard diesel engine has not been run for several weeks? Answer choices Put X next to your answer a) it will have flooded with fuel. b) you will have to check the oil and coolant levels and turn the engine to ensure it is free to rotate. X c) it would be easier to start. d) fuel filter would be nice and clean. 14. An engine may overheat for the following reasons: (i) lack of lubricating oil. (ii) blockage in water inlet. (iii) drop in oil pressure. (iv) lack of fuel. Answer choices Put X next to your answer a) all except (i). b) all except (ii). c) all except (iv). X d) all except (iii). Document title: LA025502_MARC037_AE_Kn_2of3 Page 13 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
15. Before starting an inboard engine at the start of a journey, it is possible to check the correct: (i) oil level. (ii) water level. (iii) fuel level. (iv) temperature. Answer choices Put X next to your answer a) all except (iv). X b) all except (i). c) all except (iii). d) all except (ii). 16. In trying to start a marine diesel engine, it turns over but does not fire. The reasons include: (i) blocked sea water intake. (ii) engine stop in the stopped position. (iii) lack of compression. (iv) poor cranking speed. Answer choices Put X next to your answer a) all except (ii). b) all except (iv). c) all except (iii). Document title: LA025502_MARC037_AE_Kn_2of3 Page 14 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
Answer choices Put X next to your answer d) all except (i). X Document title: LA025502_MARC037_AE_Kn_2of3 Page 15 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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17. An outboard motor may stop with little or no warning due to: (i) low resistance on battery connections. (ii) safety cut off switch disengaged. (iii) water intake blocked. (iv) spark plug lead disconnected. Answer choices Put X next to your answer a) all except (iii). b) all except (i). X c) all except (ii). d) all except (iv). 18. A diesel engine starts but then stops almost immediately. What is this due to? Answer choices Put X next to your answer a) a shortage of lubrication oil. b) air in fuel line. X c) restricted sea water supply. d) worn piston rings. Document title: LA025502_MARC037_AE_Kn_2of3 Page 16 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
19. Before removing a fuel filter of an outboard engine for inspection, you should (i) disconnect the fuel line. (ii) pull out the choke. (iii) clean the area around the filter. (iv) take additional fire precautions. Answer choices Put X next to your answer a) all except (iv). b) all except (ii). X c) all except (i). d) all except (iii). 20. Which of the following is true for a vessel’s flexible fuel pipes? Answer choices Put X next to your answer a) they must be of woven wire casing type. X b) they must be made of plastic. c) they must be fastened with clips. d) they must not be used. Document title: LA025502_MARC037_AE_Kn_2of3 Page 17 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
21. A diesel engine may fail to develop full power due to (i) restricted air supply to cylinders. (ii) engine overloaded. (iii) faulty spark plugs. (iv) blocked air intake Answer choices Put X next to your answer a) all except (iv). b) all except (iii). X c) all except (ii). d) all except (i). 22. An outboard engine may not start for the following reasons: (i) it is in gear. (ii) the fuel tank is not vented. (iii) improper idling speed. (iv) carburettor is restricted. Answer choices Put X next to your answer a) all except (iii). X b) all except (i). c) all except (iv). Document title: LA025502_MARC037_AE_Kn_2of3 Page 18 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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Answer choices Put X next to your answer d) all except (ii). Document title: LA025502_MARC037_AE_Kn_2of3 Page 19 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
23. An outboard engine starter operates but the engine will not start. What is this due to? Answer choices Put X next to your answer a) fuel pump malfunction. b) blown fuse. c) shift lever in gear. d) the stop switch lanyard not attached. X I thought the answer to this one was a) but I had gotten it incorrect 24. The engine fails to reach normal operating temperature. What is a possible reason? Answer choices Put X next to your answer a) thermostat stuck open. X b) water pump leaking. c) faulty coolant plug leaking. d) radiator leaking. Document title: LA025502_MARC037_AE_Kn_2of3 Page 20 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
25. After starting a marine diesel engine the oil pressure gauge reads very high. What could have caused this? Answer choices Put X next to your answer a) fuel leaking into the sump. b) oil filter bypass valve not working. c) oil pressure relief valve being stuck. X d) oil level in the sump being too high. 26. What is the oil-petrol ratio for a 2-stroke outboard engine? Answer choices Put X next to your answer a) 1:100 b) 1:50 c) none of the choices stated here. d) between 1:50 and 1:100 X Document title: LA025502_MARC037_AE_Kn_2of3 Page 21 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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27. What are outboard engines are lubricated by? Answer choices Put X next to your answer a) circulating oil from a sump. b) mixing oil in petrol. c) both the methods stated here. X 28. In the periodic lubrication of an outboard engine, the following areas should be included (i) pivot points and linkages. (ii) drive shaft bearing. (iii) gearbox. (iv) piston rings Answer choices Put X next to your answer a) all except (ii). b) all except (i). c) all except (iii). d) all except (iv). X Document title: LA025502_MARC037_AE_Kn_2of3 Page 22 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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29. Portable fuel tanks for outboard engines should be: (i) refilled on board. (ii) stored in the after part of the vessel. (iii) clamped in stowage. (iv) fitted with ASA lines and plugs. Answer choices Put X next to your answer a) all except (i). X b) all except (iii). c) all except (ii). d) all except (iv). 30. What does running a diesel engine at light loads on a regular basis in a yacht do? Answer choices Put X next to your answer a) promotes glazing in cylinders. X b) keeps it in good order. c) prevents carbon build up in cylinders. d) allows it to breathe. Document title: LA025502_MARC037_AE_Kn_2of3 Page 23 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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31. How should all outboard motors, but in particular those over 10hp, be secured to a vessel's transom? Answer choices Put X next to your answer a) without piercing the transom. b) by a single bolt. c) by through bolts. X d) additional chain. 32. What is the shear pin on an outboard propeller designed to do? Answer choices Put X next to your answer a) protect the gear drive from damage. X b) protect the propeller from coming off. c) protect the propeller from damage. d) cut lines or nets fouling the propeller. Document title: LA025502_MARC037_AE_Kn_2of3 Page 24 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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33. What should the spark plug gap be? Answer choices Put X next to your answer a) nil. b) about 10 mm. c) about 1 mm. X d) left alone. 34. What can cause oil to build up in spark plugs in an outboard engine? Answer choices Put X next to your answer a) restriction in the fuel line. b) air in the fuel system. c) engine running rich for long periods. X d) insufficient oil in petrol. Document title: LA025502_MARC037_AE_Kn_2of3 Page 25 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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35. What is the quickest way to stop a small diesel engine, when its throttle is stuck in the open position? Answer choices Put X next to your answer a) block the air intake. X b) close the fuel supply. c) turn off the ignition switch. d) apply the shaft brake. 36. What does an engine overfilled with oil do? Answer choices Put X next to your answer a) ensures better lubrication. b) compensates for any loss of oil. c) creates unduly excessive pressure. X d) keeps the engine cleaner. Document title: LA025502_MARC037_AE_Kn_2of3 Page 26 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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37. What should you always do when transporting an outboard motor? Answer choices Put X next to your answer a) keep the leg higher than the powerhead. b) keep the powerhead higher than the leg. X c) keep the leg separated from the powerhead. d) keep the powerhead in level with the leg. 38. What should you do with a turbo charged engine? Answer choices Put X next to your answer a) run it at idle speed for a while before shutdown. X b) run it at high speed for a while before shutdown. c) starve it of air for shutdown. d) shut it down before shutting off the turbo charger. Document title: LA025502_MARC037_AE_Kn_2of3 Page 27 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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39. What is an excessively vibrating outboard engine an indication of? Answer choices Put X next to your answer a) a faulty alternator. b) a damaged propeller. X c) a lack of lubrication. d) a dirty fuel. Document title: LA025502_MARC037_AE_Kn_2of3 Page 28 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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Part 3: Assessment Feedback NOTE: This section must have the assessor signature and student signature to complete the feedback. Assessment outcome ☐ Satisfactory ☐ Unsatisfactory Assessor Feedback ☐ Was the assessment event successfully completed? ☐ If no, was the resubmission/re-assessment successfully completed? ☐ Was reasonable adjustment in place for this assessment event? If yes, ensure it is detailed on the assessment document. Comments: Assessor name, signature and date: Student acknowledgement of assessment outcome Would you like to make any comments about this assessment? Student name, signature and date Allie Downie 3/05/23 NOTE: Make sure you have written your name at the bottom of each page of your submission before attaching the cover sheet and submitting to your assessor for marking. Document title: LA025502_MARC037_AE_Kn_2of3 Page 29 of 29 Resource ID: SEC_18_10_ MARC037_AE_Kn_2of3 STUDENT NAME: Allie Downie
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Please Use excel Shee t Note:- • Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. • Answer completely. • You will get up vote for sure.
B. Directions: Read each statement carefully. Write the word TRUE if the statement is correct and FALSE if it's wrong. Write your answer on the blank provided for each item. _1. Training in handling tools is necessary especially in proper selecting tools, field experience, and reading manual for instructions. 2. Upon reading manual it is important to consider all the consumable parts and tools as indicated by the manufacturer. _3. Cleaning tools are essential in ensuring computer components are not damaged during cleaning. _4. Diagnostic tools are used for checking computer condition. 5. Hand tools are used to automatically employing force using electric current.
I need answers for problems 13, 14, and 15 pertaining to the print provided.   NOTE: If you refuse to answers all 3 parts and insist on wasting my question by breaking down 1 simple question into 3 parts, then just leave it for someone else to answer. Thank you.
University of Babylon Collage of Engineering\Al-Musayab Department of Automobile Engineering Under Grad/Third stage Notes: 1-Attempt Four Questions. 2- Q4 Must be Answered 3-Assume any missing data. 4 تسلم الأسئلة بعد الامتحان مع الدفتر Subject: Mechanical Element Design I Date: 2022\01\25 2022-2023 Time: Three Hours Course 1 Attempt 1 Q1/ Design a thin cylindrical pressure tank (pressure vessel) with hemispherical ends to the automotive industry, shown in figure I below. Design for an infinite life by finding the appropriate thickness of the vessel to carry a sinusoidal pressure varied from {(-0.1) to (6) Mpa}. The vessel is made from Stainless Steel Alloy-Type 316 sheet annealed. The operating temperature is 80 C° and the dimeter of the cylinder is 36 cm. use a safety factor of 1.8. Fig. 1 (15 Marks) Q2/ Answer the following: 1- Derive the design equation for the direct evaluation of the diameter of a shaft to a desired fatigue safety factor, if the shaft subjected to both fluctuated…
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