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. 4.12 When you board a vessel, what is the first thing you do? a. Start sampling b. Check to see if the inert gas system is on c. Report to the person in charge on the vessel d. Start taking temperatures 2. 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 3. 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 4. 4.61 When taking a draft reading which is in metric units; what is the distance between each number? a. 6 inches b. 5 centimetres c. 12 centimetres d. 10 centimetres 5. 4.28 If the Master refuses to allow manual vessel measurements to be taken in accordance with inspection instructions , what should the inspector do? a. Contact the principals immediately, via the inspection company office if appropriate b. Issue a letter of protest to the vessel c. Comply with the Master s instructions d. Answers a., b. and c. are all correct 6. 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 7. 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 8. 4.71 During a tank entry inspection, which of the following is not correct? a. Since more than one person will be entering the tank, it is not necessary to have a standby person at the hatch b. All pipelines should be drained and verified empty c. The tank atmosphere should be tested for safe entry d. All surface areas should be checked for possible contamination, tank coating condition and loose rust 9. 4.17 It has been determiend that ROB material is non-liquid and can only be measured from one gauge point. In order to calculate the volume of ROB, it should be assumed that the ROB is lying evenly across the bottom of the tank. a. True b. False 10. 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 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. 4.50 When non-liquid material covers the whole bottom of a tank, trim corrections are applicable. a. True b. False 13. 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 14. 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 15. 4.55 What is the preferred method for preparing composite samples from vessel tanks? a. On board as long as every cargo tank contains the same cargo b. On board, using equal volumes from each tank c. In a laboratory, in proportion to the volume in each tank d. In a laboratory when S&W and API Gravity are the only tests needed 16. 4.83 What should an inspector do if asked to sign a Dry Certificate: a. Sign it if reasonably sure the tanks are dry b. Sign it if the ship s crew confirms that the tanks are dry c. Refuse to sign as per IFIA guidelines d. None of the above 17. 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 18. 4.80 According to Energy Institute HM28 / HM29 API MPMS Chapter 17.1, what should happen as part of a shore inspection? a. The Terminal should tell the Inspector the condition of the line b. A line fullness verification procedure should be requested to verify line condition c. Unless instructed otherwise, the Inspector should assume that the line is full before and after transfer of product d. Answers a., b. and c. are all correct 19. 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 20. 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 21. 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 22. 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 23. 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 24. 4.48 The trim of a vessel will have no effect on the detection of free water. a. True b. False 25. 4.35 API MPMS Chapter 17.4/ISO 8697 does not address the issue of pumpability. a. True b. False 26. 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 27. 4.70 A deck level inspection is the most effective form of tank inspection. a. True b. False 28. 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 29. 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. 30. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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