SECTION 4 - MARINE MEASUREMENT
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- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
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- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 27 ข้อขึ้นไป
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แบบทดสอบนี้ มีจำนวนข้อสอบ 89 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ
1. 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
2. 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


3. 4.03 If a vessel is out of trim and product in a tank is touching all four bulkheads, should you use the wedge formula to calculate the volume?
    a. Yes
    b. No


4. 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


5. 4.04 Can a free water volume be calculated using a wedge formula, if the water does not touch the forward bulkhead.
    a. Yes
    b. No


6. 4.10 Once sea valves are sealed by an independent inspector, the vessel staff should not operate those valves during custody transfer without consulting with the inspector.
    a. True
    b. False


7. 4.01 If the vessel incurs an in transit loss of product and an in transit gain in water, what action should be taken?
    a. Obtain samples of the free water
    b. Check the vessel s bunkers and bunker consumption during the voyage
    c. Verify the condition of seals on the sea suction and overboard discharge valves
    d. Answers a., b. and c. are all correct
8. 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.
9. 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
10. 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
11. 4.49 In what circumstances will a wedge condition exist?
    a. If liquid covers the bottom of the tank.
    b. If liquid does not touch all four bulkheads
    c. If liquid accumulates beneath the gauge hatch
    d. Answers a., b. and c. are all correct
12. 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
13. 4.16 When is an OBQ inspection performed?
    a. Before loading a clean product
    b. Before any cargo is loaded
    c. Before any chemical is loaded
    d. Before loading a clean product after a dirty one
14. 4.74 Pre-loading tank inspection may be limited to gauging OBQ.
    a. True
    b. False


15. 4.02 If the vessel has independently certified wedge tables, they may be used instead of calculating the wedge volume yourself.
    a. True
    b. False


16. 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
17. 4.87 Can a partial cargo VEF or compartmental VEF can be established?
    a. Yes
    b. No


18. 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
19. 4.70 A deck level inspection is the most effective form of tank inspection.
    a. True
    b. False


20. 4.90 A valid VEF is one that results from at least five qualifying voyages:
    a. True
    b. False


21. 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
22. 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
23. 4.76 Which of the following is most likely to require a tankentry inspection?
    a. Petrochemicals
    b. Jet fuel
    c. Diesel fuel
    d. Heavy fuel oil
24. 4.65 What should the number of areas in a cargo tank to be wall washed be based upon?
    a. The last cargo
    b. The tank capacity
    c. The amount of wall wash medium you have
    d. The age of the vessel
25. 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
26. 4.62 Which standard covers pre-loading inspection of vessels tanks?
    a. EI HM 4
    b. ISO 3170
    c. API MPMS Chapter 17.8
    d. Answers a., b. and c. are all wrong
27. 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
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. 4.66 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


30. 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
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3. รวมแนวข้อสอบครูผู้ช่วย


4. เทคโนโลยีคอมพิวเตอร์ ชั้น ป.5


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