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. 4.73 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 2. 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 3. 4.74 Pre-loading tank inspection may be limited to gauging OBQ. a. True b. False 4. 4.07 The vessel s master states that he will load 15,000 MT of a product. Your instructions state that a maximum of 13,000 MT should be loaded. What will be your course of action? a. Assume the vessel s master has more up to date information b. Contact your principal for instructions. c. Help to calculate the stop gauge to be certain the ship is not overloaded. d. Leave the decision to the terminal. 5. 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 6. 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 7. 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 8. 4.50 When non-liquid material covers the whole bottom of a tank, trim corrections are applicable. a. True b. False 9. 4.19 If a series of innage measurements indicates that the ROB/OBQ lies evenly across the bottom, how should you determine the volume? a. By use of trim corrections b. By applying the wedge formula c. By using an average of the innage measurements. d. By using the innage at the official gauge point 10. 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. 11. 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 12. 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 13. 4.89 When calculating a VEF, only the most recent twenty voyages should be used: a. True b. False 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. 4.18 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 16. 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 17. 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 18. 4.34 In API MPMS Chapter 17.2 are there any guidelines for vessel inspection in adverse weather? a. Yes b. No 19. 4.25 What is cargo that adheres to the bulkheads of a tank called? a. Slops b. Clingage c. Coatage d. Ballast 20. 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) 21. 4.35 API MPMS Chapter 17.4/ISO 8697 does not address the issue of pumpability. a. True b. False 22. 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 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. 4.11 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 25. 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 26. 4.90 A valid VEF is one that results from at least five qualifying voyages: a. True b. False 27. 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 28. 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 29. 4.36 What term is used for the measurement of cargo through two or more openings in a tank? a. Repetitive motion gauging b. Duplicate gauging c. Multi-point gauging d. Hatch survey 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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