SECTION 4 - MARINE MEASUREMENT
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1. 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
2. 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


3. 4.20 Is it correct to apply a wedge calculation to an OBQ/ROB volume if the material is touching all four tank bulkheads ?
    a. No
    b. Yes


4. 4.01 If the vessel incurs an in transit loss of product and an in transit gain in water, what action should be taken?
    a. Obtain samples of the free water
    b. Check the vessel s bunkers and bunker consumption during the voyage
    c. Verify the condition of seals on the sea suction and overboard discharge valves
    d. Answers a., b. and c. are all correct
5. 4.43 What is meant by the term trimmed by the stern?
    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 aft peak tank.
    d. Trim corrections will always be subtracted from the measured gauge
6. 4.74 Pre-loading tank inspection may be limited to gauging OBQ.
    a. True
    b. False


7. 4.50 When non-liquid material covers the whole bottom of a tank, trim corrections are applicable.
    a. True
    b. False


8. 4.66 When carrying out a wall wash test of a vessel s cargo tank a number of discoloured areas on the tank surface are noted. If the discoloured areas are less than 20% of the tank s surface area, can these areas be sampled (wall washed) and included the tank sample?
    a. Yes
    b. No


9. 4.76 Which of the following is most likely to require a tankentry inspection?
    a. Petrochemicals
    b. Jet fuel
    c. Diesel fuel
    d. Heavy fuel oil
10. 4.15 It is important when measuring ROB and OBQ to remember that?
    a. Liquid material is usually ullaged.
    b. Non-liquid material must be innaged.
    c. Vessel trim will have an effect on liquid quantities
    d. Answers a., b. and c. are all correct
11. 4.72 When wall washing a tank, which of the following is correct?
    a. Tank bottoms (floor) normally do not require wall washing
    b. There are two wall wash methods, blotter and funnel
    c. Each wall wash area should be at least 3 feet by 6 feet
    d. Answers a., b. and c. are all correct
12. 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.
13. 4.58 Using the Imperial system of measurement; how far apart are draft mark numbers?
    a. 12 inches
    b. 9 inches
    c. 6 inches
    d. 3 inches
14. 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
15. 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
16. 4.35 API MPMS Chapter 17.4/ISO 8697 does not address the issue of pumpability.
    a. True
    b. False


17. 4.73 It is not necessary to prepare a blank of the wall wash liquid if it is supplied by a certified Laboratory.
    a. True
    b. False


18. 4.67 When carrying out a wall wash test of a vessel s cargo tank a number of discoloured areas, tank coating breaks and exposed sections on the tank surface are noted. If these areas are greater than 20% of the tank s surface area, what action should be taken?
    a. The areas should be washed and the wall washings included with those from the rest of the tank
    b. The areas should be noted on the inspection report but should not be washed
    c. The areas should be washed and the wall washings from these areas kept in a separate bottle
    d. The areas can be ignored
19. 4.09 The term simultaneous ballasting or deballasting means?
    a. The vessel is transferring ballast from one ballast tank to another
    b. The vessel is taking on or pumping off ballast in more than one tank at a time
    c. The vessel is transferring ballast while cargo is being pumped
    d. The Chief Officer has been authorized to pump ballast ashore
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. 4.25 What is cargo that adheres to the bulkheads of a tank called?
    a. Slops
    b. Clingage
    c. Coatage
    d. Ballast
22. 4.60 When the metric system is used; what size are draft numbers?
    a. 6 inches high
    b. 6 centimetres high
    c. 12 centimetres high
    d. 10 centimetres high
23. 4.61 When taking a draft reading which is in metric units; what is the distance between each number?
    a. 6 inches
    b. 5 centimetres
    c. 12 centimetres
    d. 10 centimetres
24. 4.13 What is the purpose of ballast?
    a. To keep the cargo warm
    b. To segregate cargoes
    c. To reduce the ship s fuel consumption
    d. To maintain the vessel s stability, trim and draft, and to control vessel stress
25. 4.86 What does API MPMS Chapter 17.9 / EI HM 49 cover:
    a. Temperature
    b. Sampling
    c. Vessel Experience Factors
    d. Gauging
26. 4.70 A deck level inspection is the most effective form of tank inspection.
    a. True
    b. False


27. 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


28. 4.75 Who is responsible for determining that cargo on a vessel is loaded only into tanks with surfaces or coatings compatible with the cargo?
    a. The independent Inspector
    b. The shipper of the cargo
    c. Vessel s personnel
    d. Terminal personnel
29. 4.48 The trim of a vessel will have no effect on the detection of free water.
    a. True
    b. False


30. 4.52 What is the definition of list?
    a. A piece of paper showing the names of all on board personnel
    b. The inclination or leaning of the vessel away from the upright
    c. The correction required when the vessel is not on even keel
    d. The position of the tank contents when the vessel is down by the head
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