SECTION 4 - MARINE MEASUREMENT
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1. 4.64 What is a wipe test?
    a. The procedure of wiping sample containers to ensure they are clean before being submitted to the laboratory
    b. The procedure of physically wiping a tanks interior surface with absorbent white rags to test for possible contamination
    c. A specialized laboratory test for the presence of water, iron, polymers and emulsion
    d. Answers a., b. and c. are all wrong
2. 4.38 What is the Reference Gauge Height of a vessel tank?
    a. The overall height of the expansion trunk, referred to in the drawings
    b. The distance from the tank bottom to the reference gauge point as specified on the tank s capacity table
    c. The measured distance from the tank bottom to the reference gauge point
    d. The place inside the tank where automatic measurement floats are installed
3. 4.08 When you are on board a marine vessel, the overall responsibility for the use of proper safety procedures, appropriate measurement equipment and the correct sampling equipment rests with?
    a. The inspector
    b. The inspection company that the inspector works for
    c. The vessel
    d. The inspection company s principal
4. 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
5. 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
6. 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)
7. 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
8. 4.06 What is the first thing you must do when you board a marine vessel?
    a. Report to the person in charge
    b. Have the tanks open, ready to gauge and sample
    c. Always take samples first
    d. Always take gauges first
9. 4.79 What should a sea valve be sealed to?
    a. The pump-man s wheel wrench
    b. An adjacent static object such as another valve or railing
    c. The main body of the sea valve
    d. The nameplate on the valve wheel
10. 4.24 What components may be included in OBQ?
    a. Free water
    b. Non-liquid material
    c. Liquid material
    d. Any combination of the above
11. 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
12. 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


13. 4.05 The preferred device for taking temperatures in a marine custody transfer is?
    a. A liquid-in-glass thermometer in a cup-case assembly
    b. An in-line temperature probe
    c. An on-board radar system
    d. A portable electronic thermometer
14. 4.25 What is cargo that adheres to the bulkheads of a tank called?
    a. Slops
    b. Clingage
    c. Coatage
    d. Ballast
15. 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
16. 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
17. 4.41 According to EI HM28 [API 17.1], is the inspector required to be present at a key meeting prior to an inspection?
    a. Yes
    b. No


18. 4.49 In what circumstances will a wedge condition exist?
    a. If liquid covers the bottom of the tank.
    b. If liquid does not touch all four bulkheads
    c. If liquid accumulates beneath the gauge hatch
    d. Answers a., b. and c. are all correct
19. 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
20. 4.14 When should a bunker inspection be performed?
    a. Only with fuel oil cargoes
    b. With every product except gasoline
    c. When requested by the vessel
    d. As appropriate or on the request of the principal
21. 4.71 During a tank entry inspection, which of the following is not correct?
    a. Since more than one person will be entering the tank, it is not necessary to have a standby person at the hatch
    b. All pipelines should be drained and verified empty
    c. The tank atmosphere should be tested for safe entry
    d. All surface areas should be checked for possible contamination, tank coating condition and loose rust
22. 4.85 The best way to prove the liquid/non liquid nature of ROB/OBQ is to have a sample
    a. True
    b. False


23. 4.03 If a vessel is out of trim and product in a tank is touching all four bulkheads, should you use the wedge formula to calculate the volume?
    a. Yes
    b. No


24. 4.04 Can a free water volume be calculated using a wedge formula, if the water does not touch the forward bulkhead.
    a. Yes
    b. No


25. 4.69 What must be determined at a pre-loading tank inspection key meeting between vessel s personnel, shore personnel and inspection personnel?
    a. Tank number, tank capacity, intended cargo volume
    b. The last three cargoes and method of tank cleaning
    c. The contents of adjacent tanks
    d. Information a., b. and c. must all be determined
26. 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


27. 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
28. 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
29. 4.23 In what case will non-liquid ROB be considered not to be evenly distributed across the tank bottom?
    a. When the vessel is listing
    b. When the cargo was heated
    c. When multiple gauges in the tank prove otherwise
    d. When ROB is more than 10cm [4 ] deep
30. 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
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