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. 4.89 When calculating a VEF, only the most recent twenty voyages should be used: a. True b. False 2. 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 3. 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 4. 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 5. 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 6. 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 7. 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 8. 4.46 What is the most accurate way of measuring a vessel s list? a. Ask the Chief Officer b. Reading the clinometer c. By comparing the port and starboard amidships draft marks d. By comparing the fore and aft drafts 9. 4.90 A valid VEF is one that results from at least five qualifying voyages: a. True b. False 10. 4.58 Using the Imperial system of measurement; how far apart are draft mark numbers? a. 12 inches b. 9 inches c. 6 inches d. 3 inches 11. 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 12. 4.70 A deck level inspection is the most effective form of tank inspection. a. True b. False 13. 4.50 When non-liquid material covers the whole bottom of a tank, trim corrections are applicable. a. True b. False 14. 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 15. 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 16. 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 17. 4.39 As a minimum, how many liquid level measurements must be taken in a vessel s tanks when the vessel is in motion (rolling)? a. 2 b. 3 c. 4 d. 5 18. 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 19. 4.79 What should a sea valve be sealed to? a. The pump-man s wheel wrench b. An adjacent static object such as another valve or railing c. The main body of the sea valve d. The nameplate on the valve wheel 20. 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 21. 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 22. 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 23. 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 24. 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 25. 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 26. 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 27. 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 28. 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 29. 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 30. 4.38 What is the Reference Gauge Height of a vessel tank? a. The overall height of the expansion trunk, referred to in the drawings b. The distance from the tank bottom to the reference gauge point as specified on the tank s capacity table c. The measured distance from the tank bottom to the reference gauge point d. The place inside the tank where automatic measurement floats are installed ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

1. หินและการเปลี่ยนแปลง ป.4

2. [O-NET] อินเทอร์เน็ตและการใช้งาน

3. แนวสอบ O-NET สังคมศึกษา ชุดที่3

4. บทละครพูดเรื่องเห็นแก่ลูก