SECTION 4 - MARINE MEASUREMENT
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แบบทดสอบนี้ มีจำนวนข้อสอบ 89 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ
1. 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
2. 4.18 Why may multipoint gauging be required when performing an OBQ/ROB survey?
    a. To help determine if a wedge condition exists
    b. To help determine the nature (liquid or non-liquid) and quantity of the OBQ/ROB
    c. Because the vessel is on even keel.
    d. Answers a. and b. are correct
3. 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


4. 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
5. 4.33 If the vessel is at a berth and rolling so that the cargo in the tank is moving more than 3 mm [1/8], the minimum number of gauges to be taken is?
    a. One
    b. Two
    c. Three
    d. Five
6. 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
7. 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
8. 4.89 When calculating a VEF, only the most recent twenty voyages should be used:
    a. True
    b. False


9. 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)
10. 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


11. 4.31 If there is spotting of the water paste above the clear cut level what would you use to calculate the volume?
    a. The very top of the spotting
    b. The clear cut but note the spotting volume in the remarks
    c. There is no mention of spotting in published standards
    d. Answers a., b. and c. are all wrong
12. 4.63 What is a wall wash test?
    a. A procedure involving high pressure automated washing of the walls of a tank to remove any cargo residue
    b. The activity of rinsing the wall of a tank with a solvent and obtaining a sample of the previous product(s) to determine compatibility with the product to be loaded
    c. A procedure in which a tank is washed with caustic solution to remove surface build-up
    d. Answers a., b. and c. are all wrong
13. 4.85 The best way to prove the liquid/non liquid nature of ROB/OBQ is to have a sample
    a. True
    b. False


14. 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


15. 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
16. 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
17. 4.70 A deck level inspection is the most effective form of tank inspection.
    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. 4.66 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


20. 4.40 Is the holding of a key meeting prior to an inspection required to comply with Industry Standards
    a. Yes
    b. No


21. 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


22. 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
23. 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
24. 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.
25. 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


26. 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
27. 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
28. 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


29. 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
30. 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
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