SECTION 4 - MARINE MEASUREMENT
คำชี้แจง - ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้ - ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้ - เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 27 ข้อขึ้นไป
แบบทดสอบนี้ มีจำนวนข้อสอบ 89 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ

1. 4.25 What is cargo that adheres to the bulkheads of a tank called? a. Slops b. Clingage c. Coatage d. Ballast 2. 4.81 If a vessel is discharging under closed gauging conditions and the valve adapters on board are not compatible with the inspector s electronic gauging equipment. What action should be taken? a. The principal should be contacted for instructions b. The ship s gauging equipment should be used c. The ship s gauging equipment should be used but only after it has been verified against inspection company equipment and results recorded d. A manual tape should be used with open gauging 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. 4.06 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 5. 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 6. 4.74 Pre-loading tank inspection may be limited to gauging OBQ. a. True b. False 7. 4.16 When is an OBQ inspection performed? a. Before loading a clean product b. Before any cargo is loaded c. Before any chemical is loaded d. Before loading a clean product after a dirty one 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. 4.30 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 10. 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 11. 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 12. 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 13. 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 14. 4.27 What is the amount of material found in a tank after discharge called? a. Slops b. On Board Quantity (OBQ) c. Bunkers d. Remaining On Board (ROB) 15. 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 16. 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 17. 4.54 Typically, four parties receive samples at the loading port when a marine tank vessel is loaded. Three of those parties are (1) the independent inspector, (2) the vessel for delivery to the discharging terminal, (3) The vessel for retain. Who is the fourth party? a. The cargo owner b. The vessel for retain c. The vessel s agent d. The load port terminal 18. 4.89 When calculating a VEF, only the most recent twenty voyages should be used: a. True b. False 19. 4.45 What should trim corrections be applied to? a. Only the ROB quantity b. Only the OBQ quantity c. Any liquid material d. Any liquid material that is touching all four tank bulkheads 20. 4.90 A valid VEF is one that results from at least five qualifying voyages: a. True b. False 21. 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 22. 4.65 What should the number of areas in a cargo tank to be wall washed be based upon? a. The last cargo b. The tank capacity c. The amount of wall wash medium you have d. The age of the vessel 23. 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 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. 4.33 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 26. 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 27. 4.59 What information is determined from draft readings? a. The depth of the vessel in the water b. The trim and list of the vessel c. The displacement weight of the vessel d. Answers a., b. and c. are all correct 28. 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 29. 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 30. 4.87 Can a partial cargo VEF or compartmental VEF can be established? a. Yes b. No ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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