MED 2 Engineering Knowledge Assessment Online – Part 1

Welcome to your MED 2 Engineering Knowledge Assessment Online - Part 1

Student Assessment Instructions

1. This is a closed book Assessment.

2. The video link between the student and the supervisor is to remain on throughout the assessment.

3. All notes, books and mobile phones are to be removed from the table.

4. Mobile phones are to be turned off and not used during the assessment.

5. Students should read each question carefully before answering.

6. All questions are to be answered.

7. No communication is permitted other than with the Assessment Supervisor.

8. No student may leave the room for the duration of the Assessment.

9. When instructed you may commence the Assessment.

10. To pass, you must obtain a 70% or higher mark.

Assessment Date
Student Name
Student Phone No.

1. (4 MARKS)

a. List the protective measures you may take to prevent the corrosion of bronze skin fittings and propellers on a GRP vessel.

b. Explain the effect zinc anodes have on under water metal fittings.

2. (2 Marks)

a. State your obligations when stowing explosive or flammable goods aboard your vessel so as not to create a risk to the health and safety of any person.

b. State the authority you would immediately report an oil spill

3. (4 Marks)

Are the following vapours lighter or heavier than air:

a. Petrol

b. Hydrogen 

c. Distillate

d. LPG

4. (4 MARKS)

List a suitable extinguisher and state its colour code for the following materials:

a. Wood, Paper, Plastics.

b. Flammable liquids.

c. Flammable Gasses.

d. Cooking oils and fats

5. (2 MARKS)

Explain the function of a camshaft in a 4 stroke diesel engine.

6. (2 MARKS)

State the checks you would make to your hydraulic steering system before departing the berth.

7. (2 MARKS)

What action would you take if you suspected a refrigerant gas leak.

8. (2 MARKS)

On a separate sheet of paper - Sketch two 12 volt 50 amp hour batteries in parallel and series and state their resulting voltage and capacity.

9. (2 MARKS)

Give two reasons why circuit breakers are fitted to an electrical circuit.

10. (6 MARKS)

Two fuel tanks measure 1200 mm across the top and 850 mm across the bottom. The height is 1,600 mm and the length is 1.4 metres

a. Calculate the total capacity in litres

Calculations are required to 2 decimal places.

b. With a 20% reserve, how far can you travel at 12 knots if the engine consumes 54 litres per hour

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