SECTION 2 – DEFINITIONS
คำชี้แจง - ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้ - ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้ - เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 18 ข้อขึ้นไป
ทุกครั้งที่เข้าทำแบบทดสอบเสร็จสมบูรณ์ จะได้รับแต้มเข้าใช้งาน 1 แต้ม | ส่วนนี้จะทำการบันทึกข้อมูลเพื่อออกใบรับรอง หากทำแบบทดสอบผ่านเกณฑ์ที่กำหนด
แบบทดสอบนี้ มีจำนวนข้อสอบ 44 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ

1. 2.44 A US barrel has a volume of? a. 55 US gallons b. 1 cubic meter c. 5 liters d. 42 US gallons 2. 2.09 What is a datum plate? a. A level metal plate located directly under the reference gauge point to provide a fixed contact surface from which liquid depth measurement can be made. b. A metal plate located next to the gauging point on a tank indicating the reference gauge height. c. A metal plate located close to the gauging point on a tank listing all the relevant tank data d. A level metal plate located at the top of a gauge hatch on a tank from which the gauge height is measured. 3. 2.12 The density of a liquid will change as its temperature changes. a. True b. False 4. 2.19 What is Total Calculated Volume (TCV)? a. GSV plus free water b. NSV plus free water c. GSV less sediment and water d. NSV plus sediment and water 5. 2.03 What is ballast? a. Water in the tanks of a vessel used for laundry and other sanitation purposes b. Any water on board a vessel in any tank c. Water that is used to clean cargo tanks d. Water that allows the vessel to maintain stability and to control stress and trim 6. 2.36 How is Gross Observed Volume (GOV) defined? a. The volume read from the strapping table b. The total volume of all petroleum liquids and sediment and water, excluding free water, at observed temperature and pressure c. The volume read from the strapping table corrected for roof displacement d. The volume used to calculate vessel ratios 7. 2.21 How is a running sample obtained? a. by lowering an unstoppered sampler from the top of the oil to the level of the outlet (Suction) and returning it to the top of the oil at a uniform rate so that the sampler is no more than 85% full when withdrawn from the oil. b. by lowering a stoppered sampler to the level of the outlet, then opening the sampler and raising it at a uniform rate so that it is about 80% full when withdrawn from the oil. c. by lowering a stoppered sampler to the mid point of the tank contents, then opening the sampler and raising and lowering it at a uniform rate until it is full d. by lowering an unstoppered sampler to the mid point of the tank contents, then raising and lowering it at a uniform rate until it is full 8. 2.22 What is a floating roof tank? a. A tank in which the roof floats freely on the surface of the liquid contents at all levels. b. A tank in which the roof floats freely on the surface of the liquid contents except at low levels when the weight of the roof is supported by its legs. c. A tank in which the roof, supported by guide wires, can be adjusted to the required height for safe filling of the tank d. Answers a., b. and c. are all wrong 9. 2.26 The Net Standard Volume (NSV) is the Gross Standard Volume (GSV) less? a. Total Calculated Volume (TCV) b. Total Observed Volume (TOV) c. Gross Standard Volume (GSV) d. Sediment and Water (S&W) 10. 2.23 What is the total volume of all material in a tank at the observed temperature called? a. Total Calculated Volume (TCV) b. Total Observed Volume (TOV) c. On Board Quantity (OBQ) d. Gross Observed Volume (GOV) 11. 2.32 What is the name of the document which is given as an official receipt for the cargo on board a vessel? a. Certificate of Quality b. Custom declaration c. Bill of Lading d. Charter party 12. 2.02 What is a hydrometer? a. A device to measure viscosity b. A device to measure hydration c. A device to measure density d. A device to measure water flow 13. 2.42 What is load on top? a. The shipboard practice of collecting water and water and oil mixtures resulting from ballasting and tank cleaning operations (usually in a slop tank) and subsequently loading cargo on top of it and pumping the mixture ashore at the discharge port. b. The act of commingling existing onboard quantity with cargo being loaded c. Answers a. and b. are correct d. Answers a., b. and c. are all wrong 14. 2.14 What is an emulsion? a. A heavy viscous liquid b. A heavy viscous liquid containing a large amount of entrained sediment c. An oil & water mixture that does not readily separate d. A layer of free water located above a heavy viscous petroleum product 15. 2.08 What is clingage? a. The wedge shaped volume of oil remaining in a tank after discharge b. The non-liquid wedge-shaped volume of oil remaining in a tank after discharge c. The cargo that adheres to the internal vertical surfaces of a tank after it has been emptied. d. The ability of a liquid to cling to the inside surface of a container 16. 2.30 What is ullage? a. The depth of the empty space above the liquid in a tank b. The height of the free water in a tank c. The length of an ullage tape d. The depth of the liquid in a tank 17. 2.06 Which of the following are equivalent to a volume of one cubic metre? a. 264.172 US gallons b. 6.28981 US Barrels c. 1000 litres d. Answers a., b. and c. are all correct 18. 2.04 What is a permanent ballast tank? a. A tank that contains ballast at all times b. A tank that is designated to contain only ballast c. A tank that is used only to maintain a permanent list condition d. Answers a., b. and c. are all wrong 19. 2.05 What does the abbreviation S&W stand for? a. Sand and Water b. Sediment and Waste c. Scale and Water d. Sediment and Water 20. 2.29 What does an innage, sounding or dip measure? a. The depth of the empty space above the liquid in a tank b. The depth of the sediment in a tank c. The length of an innage tape d. The depth of the liquid in a tank ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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