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. 2.40 How is free water defined? a. The layer of water present in the tank that is not suspended in the oil b. Any water found on the bob with water paste c. Any water found using the tank gauging equipment d. Any water that is trim corrected 2. 2.16 What is Gross Observed Volume (GOV)? a. The total measured volume of all petroleum liquids, sediment and water, and free water at observed temperature b. The total volume of all petroleum liquids and sediment and water, excluding free water, at observed temperature c. The total volume of all petroleum liquids excluding sediment and water and free water, at observed temperature d. The total volume of all petroleum liquids and sediment and water, excluding free water, corrected to a standard temperature by the appropriate volume correction factor for the observed temperature and density 3. 2.33 What is the name given to the factor calculated from the ratios of historical Total Calculated Volumes (TCV) of a vessel (less OBQ/ROB) with the corresponding historical Total Calculated Volumes (TCV) of shore delivered/received volumes? a. Voyage Analysis Factor b. Tank Correction Factor c. Vessel Experience Factor d. Ullage Correction Factor 4. 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 5. 2.20 How is an all levels sample obtained? a. By submerging an unstoppered sampler to a point near the tank draw-off outlet (suction) level and then raising it, all at a uniform rate, so that it is no more than 85% full on emerging from the liquid. b. By blending upper, middle and lower samples from the same tank. c. By submerging a stoppered sampler to a point as near as possible to the draw-off outlet (suction) level, then opening the sampler and raising it at a rate such that it is no more than 80% full as it emerges from the liquid. d. By submerging a stoppered sampler to the mid point of the product in a tank, then opening the sampler and raising and lowering it at a uniform rate until the sampler is full. 6. 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 7. 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 8. 2.28 What term describes a vessel with the forward draft greater than the aft draft? a. Down by the stern b. Trimmed by the head c. Up at the bow d. Listing dangerously 9. 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 10. 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 11. 2.41 What has the same meaning as the term innage? a. Ullage b. Sounding c. Outage d. Answers a., b. and c. are all wrong 12. 2.34 What is the name given to the mixture of oil, tank washings, water and sediment collected in a designated ship s tank? a. Polluted oil b. Merchantable oil c. Slops d. Hazardous waste 13. 2.13 What is relative density? a. The ratio of the mass of a given volume of liquid at a stated temperature to the mass of an equal volume of pure water at a stated temperature b. The relative ability of a liquid to remain in a liquid state when cooled below standard freeze point c. A measure of the relative viscosity of a liquid d. The ratio of a given mass of a liquid when compared with its mass at 60 °F 14. 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 15. 2.12 The density of a liquid will change as its temperature changes. a. True b. False 16. 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 17. 2.11 What is the formula for density? a. Length divided by width b. Volume divided by temperature c. Mass divided by volume d. Mass divided by relative density 18. 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 19. 2.38 How is trim defined? a. The same as the draft b. The difference between the forward and aft draft c. The average of the forward draft, the amidships draft, and the aft draft d. The leaning of the vessel to one side 20. 2.01 What does the API Gravity scale indicate? a. Density b. Volume c. Weight in Vacuum d. Ratio of weight to density ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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