SECTION 7 - TANK GAUGING
คำชี้แจง
- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
- ผลสอบจะเก็บเพียง 300 ระเบียนสุดท้าย โดยเรียงจากเวลาล่าสุด
- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้
- ผู้ทำข้อสอบจะมีเวลาในการทำข้อสอบเพียง 30 นาที หากเกินเวลา ระบบจะไม่ตรวจข้อสอบให้
- เมื่อมีการตรวจคำตอบ ระบบจะบันทึกชื่อ และคะแนนลงฐานข้อมูล พร้อมเวลาเริ่มทำ และเวลาสิ้นสุด
- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 80 หรือ 24 ข้อขึ้นไป
หากต้องการพิมพ์ใบรับรองผลคะแนน โปรดใช้เครื่อง Computer ในการทดสอบ
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1. 7.14 When rainwater or snow accumulates on the roof of an external floating roof tank, what will happen to the gauged level in the tank?
    a. It will decrease
    b. It will remain the same
    c. It will increase
    d. Answers a., b. and c. are all wrong
2. 7.50 What is one of the problems with water finding paste?
    a. It tends to freeze in cold weather
    b. It does not perform consistently with all crudes
    c. Tends to run down the bob
    d. It is easily confused with gasoline paste
3. 7.32 For what reasons may a quantity of free water (water bottoms) be maintained within a shore tank?
    a. To permit easy determination of the shore tank free water quantity.
    b. So that a certain percentage of free water can be pumped with each movement in order to aid in S&W blending of cargoes.
    c. To negate any effect that bottom flexing of the tank bottom would have on tank measured quantities.
    d. To aid in detection of any product seepage from the tank.
4. 7.07 What is water finding paste used for?
    a. To determine the S&W of the product in the tank
    b. To detect the presence of suspended water within the product in the tank
    c. To indicate the product / free water interface within the tank
    d. Answers a., b. and c. are all wrong
5. 7.30 When using water finding paste in heavy oils, which of the following actions should you take to enable the paste to be read more easily?
    a. Gently blowing on the gauging bar to remove the heavy oil.
    b. Use a soft cotton rag or towel to remove the excess oil
    c. Use a suitable solvent to gently wash to the surface of the paste.
    d. Immerse the gauging bar in a container full of light product such as gasoline.
6. 7.08 An innage gauge bob is pointed to aid in penetration of tank non-liquid. Where is its zero point?
    a. Top of the eye
    b. Bottom of the eye
    c. Tip of the bob
    d. Inside of the tape swivel
7. 7.21 What is the measured distance from the datum plate or tank bottom to the reference gauge point called?
    a. The observed reference height
    b. The innage gauge height
    c. The reference gauge height
    d. The ullage gauge height
8. 7.55 What is the purpose of a floating roof correction in a shore tank calculation?
    a. To account for the compression of the liquid due to the roof weight
    b. To account for the volume of liquid displaced as a result of the weight of the roof
    c. To allow for the effect of the roof temperature on the temperature of the product
    d. To allow for the effect of the temperature on the thickness of the roof
9. 7.13 What is a tank datum plate?
    a. The position on a tank where the gauge height is noted.
    b. The point marked on the gauge hatch of a tank to indicate the position from which the tank is to be gauged.
    c. The plate on the tank shell that lists the tank general data such as roof weight, height of tank, etc.
    d. A plate placed in the tank and directly under the reference gauge point to provide a fixed contact surface.
10. 7.28 When gauging light products, it is permissible to use chalk or talcum powder to facilitate reading the cut on the tape.
    a. True
    b. False
    c.
    d.
11. 7.41 According to common industry practice, How often must a gauging tape be checked for accuracy by comparison against a traceable master tape?
    a. Prior to each use
    b. Every six months
    c. Prior to initial use and at least annually
    d. At least once per week
12. 7.24 Which of the following can affect the accuracy of tank s capacity table?
    a. The flexing of the tank bottom with the transfer of contents
    b. Expansion at the vertical middle (barreling) occuring during filling
    c. Accumulated deposits of previous contents on the tank shell
    d. Answers a., b. and c. are all correct
13. 7.56 What action should an inspector take when requested to set a stop gauge?
    a. Refuse, it s not an inspector s reponsibility
    b. Follow the company s procedure
    c. Set the stop gauge and take full responsibility
    d. Tell the vessel/terminal personnel to set the stop and then check it for accurac
14. 7.17 According to API MPMS Chapter 3.1A/EI HM4, when must gauge tapes be verified for accuracy?
    a. Before initial use and once per year
    b. Once per month
    c. Before each use
    d. Once every three months
15. 7.49 When is a provisional gauge or insurance gauge taken prior to the official gauge?
    a. When the official gauge will not be taken for a significant period of time after completion of cargo operations.
    b. When it is required by your employer's insurance company
    c. When it is required by the Charter Party
    d. Answers a., b. and c. are all correct