SECTION 4 - MARINE MEASUREMENT
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1. 4.42 What is meant by the term trimmed by the head?
    a. The aft draft reading is greater that the forward draft reading.
    b. The forward draft reading is greater than the aft draft reading.
    c. The ship has water in the forepeak tank.
    d. Trim corrections will always be added to the measured gauge
2. 4.90 A valid VEF is one that results from at least five qualifying voyages:
    a. True
    b. False


3. 4.22 The On Board Quantity (OBQ) measured at a loading port will usually be greater than the remaining on board (ROB) measured at the previous discharge port.
    a. True
    b. False


4. 4.44 What is the main reason for taking draft readings on fully-loaded vessels at the loading port?
    a. To be used at the discharge port in case of a cargo variance
    b. To enable calculation of trim or list corrections if needed
    c. To compare with draft readings at the discharge port
    d. To ensure adequate cargo drainage
5. 4.78 When reading the draft marks on a barge or vessel, which part of the number indicates the actual zero point (start) of the number in question?
    a. The lower edge of the number
    b. The upper edge of the number
    c. The mid point of the number
    d.
6. 4.55 What is the preferred method for preparing composite samples from vessel tanks?
    a. On board as long as every cargo tank contains the same cargo
    b. On board, using equal volumes from each tank
    c. In a laboratory, in proportion to the volume in each tank
    d. In a laboratory when S&W and API Gravity are the only tests needed
7. 4.21 If you are only able to gauge the vessel s tanks from one location and the ROB is non-liquid, what should you use to obtain a volume?
    a. A wedge table or formula
    b. A trim corrected innage
    c. An uncorrected innage
    d. A trim corrected ullage
8. 4.35 API MPMS Chapter 17.4/ISO 8697 does not address the issue of pumpability.
    a. True
    b. False


9. 4.10 Once sea valves are sealed by an independent inspector, the vessel staff should not operate those valves during custody transfer without consulting with the inspector.
    a. True
    b. False


10. 4.11 Why is measurement of free water on board marine vessels important?
    a. To enable net cargo reconciliation
    b. As a check against water quantities received at the shore terminal
    c. As an indication of possible cargo theft
    d. Answers a., b. and c. are all correct
11. 4.77 Why should you never break blisters in a tank coating and never disturb piles of debris on a tank floor when performing a tank entry inspection?
    a. The tank atmosphere may be adversely affected
    b. The Inspector may come into contact with potentially dangerous, unknown material
    c. It is the responsibility of vessels personnel to remove debris and prepare the tank surface before the tank is loaded
    d. Answers a., b. and c. are all correct
12. 4.82 Independent inspectors are not expected to correct barge tank gauges/dips for trim because most barges do not have trim tables.
    a. True
    b. False


13. 4.51 Which of the following conditions must be present for trim corrections to apply?
    a. Tank contents must touch all four bulkheads
    b. Tank contents must be non liquid
    c. Tank contents must not contact the forward bulkhead
    d. Answers a. and b. are correct
14. 4.02 If the vessel has independently certified wedge tables, they may be used instead of calculating the wedge volume yourself.
    a. True
    b. False


15. 4.37 What is a Charter Party?
    a. A traditional event hosted by the owner of a vessel celebrating the vessel being hired
    b. A document specifying the dimensions of a vessel so it can get into the docks to load and unload its cargo
    c. A document outlining the terms and conditions that will apply to the owner and the charterer while a vessel is on hire
    d. A statement of the demurrage to be charged to the charterer
16. 4.46 What is the most accurate way of measuring a vessel s list?
    a. Ask the Chief Officer
    b. Reading the clinometer
    c. By comparing the port and starboard amidships draft marks
    d. By comparing the fore and aft drafts
17. 4.12 When you board a vessel, what is the first thing you do?
    a. Start sampling
    b. Check to see if the inert gas system is on
    c. Report to the person in charge on the vessel
    d. Start taking temperatures
18. 4.83 What should an inspector do if asked to sign a Dry Certificate:
    a. Sign it if reasonably sure the tanks are dry
    b. Sign it if the ship s crew confirms that the tanks are dry
    c. Refuse to sign as per IFIA guidelines
    d. None of the above
19. 4.26 What is the amount of material found in a tank prior to loading called?
    a. Slops
    b. On Board Quantity (OBQ)
    c. Bunkers
    d. Remaining On Board (ROB)
20. 4.62 Which standard covers pre-loading inspection of vessels tanks?
    a. EI HM 4
    b. ISO 3170
    c. API MPMS Chapter 17.8
    d. Answers a., b. and c. are all wrong
21. 4.32 If a vessel is being gauged in a swell the minimum number of dips per tank should be?
    a. One
    b. As many as necessary until two identical readings are obtained
    c. Three and then averaged
    d. At least five, taken over the period of the motion, recorded and then averaged
22. 4.39 As a minimum, how many liquid level measurements must be taken in a vessel s tanks when the vessel is in motion (rolling)?
    a. 2
    b. 3
    c. 4
    d. 5
23. 4.84 It is acceptable for an inspector to sign Dry Certificates, Vessel Cleanliness certificates showing that cargo tanks are suitable for the intended cargo, ROB certificates with pumpability statements, and pumping logs.
    a. True
    b. False


24. 4.53 When should a wedge formula calculation be used on a vessel trimmed by the stern?
    a. When liquid material does not contact the forward bulkhead
    b. When solid material is gauged at a single gauge point
    c. When free water completely covers the tank bottom
    d. Answers a., b. and c. are all correct
25. 4.29 If possible, should you seal a vessel s cargo system sea-valves or any equivalent connection to the ballast system prior to loading?
    a. No
    b. Yes


26. 4.80 According to Energy Institute HM28 / HM29 API MPMS Chapter 17.1, what should happen as part of a shore inspection?
    a. The Terminal should tell the Inspector the condition of the line
    b. A line fullness verification procedure should be requested to verify line condition
    c. Unless instructed otherwise, the Inspector should assume that the line is full before and after transfer of product
    d. Answers a., b. and c. are all correct
27. 4.89 When calculating a VEF, only the most recent twenty voyages should be used:
    a. True
    b. False


28. 4.56 What is freeboard on a vessel?
    a. The distance from the waterline to the vessel s deck level
    b. The distance from the waterline to the vessel s keel
    c. The time when local Customs officials permit others to board the vessel
    d. The time of day that lay time begins according to the Charter Party
29. 4.88 When calculating a VEF which of the following data should be excluded?
    a. Vessel to vessel transfers
    b. First voyage following dry dock
    c. Voyages where vessel or shore figures are known to be inaccurate
    d. Answers a., b. and c. are all correct
30. 4.30 When portable electronic gauging equipment is used on board a marine vessel, which of the following considerations needs to be addressed?
    a. The equipment used must securely fit the vapour control valve.
    b. The vessel s tank capacity tables must have been adjusted to accommodate the vapour control valve location and reference heigh
    c. The equipment should be grounded
    d. Answers a., b. and c. are all correct
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