- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
- ผลสอบจะเก็บเพียง 300 ระเบียนสุดท้าย โดยเรียงจากเวลาล่าสุด
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- ผู้ทำข้อสอบจะมีเวลาในการทำข้อสอบเพียง 30 นาที หากเกินเวลา ระบบจะไม่ตรวจข้อสอบให้
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- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 80 หรือ 24 ข้อขึ้นไป
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1. 7.22 What is the term for the distance from the datum plate or tank bottom to the reference gauge point, as shown on the tank capacity table?
    a. Observed gauge height
    b. Innage gauge height
    c. Reference gauge height
    d. Ullage gauge height
2. 7.04 What is a master tape?
    a. The only tape that may be used to take custody transfer measurements
    b. A tape belonging to the National Certification Body
    c. A tape to be used only for tank calibration
    d. A reference tape, traceable to National Standards to be used only for verifying the accuracy of tapes used in the field
3. 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
4. 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
5. 7.42 How often should a working gauge tape be inspected for wear and tear?
    a. Daily or prior to each use
    b. Once per week
    c. Once per month
    d. Once per year
6. 7.46 Which of the following is acceptable for the determination of free water for marine vessel custody transfer measurements?
    a. A zone sampler
    b. A portable measurement unit (PMU)
    c. A bob with water-finding paste
    d. Answers b. and c. are correct
7. 7.26 To determine the ullage of the liquid in a tank using an innage tape and bob assembly, what procedure should be followed?
    a. Read the immersion depth of the tape at the reference gauge point and subtract the oil cut reading on the bob
    b. Read the immersion depth of the tape at the reference gauge point and add the oil cut reading on the bob
    c. Subtract the oil cut on the bob from the tank reference gauge height indicated on the tank capacity table
    d. Subtract the oil cut on the bob from the measured tank reference gauge height
8. 7.36 When gauging a shore tank the tape should be read to the nearest 6mm [1/4 inch]?
    a. True
    b. False
9. 7.19 Which gauge measures the distance from the datum plate or tank bottom to the surface of the liquid?
    a. Innage
    b. Ullage
10. 7.43 Which of the following statements regarding reference gauge heights is correct?
    a. They should be recorded from the calibration tables, before you start the tank gauging
    b. They should be checked against the observed gauge heights
    c. They should be included in the inspection report
    d. Answers a., b. and c. are all correct
11. 7.37 Can accurate volumes be obtained by gauging a tank while the roof is in the critical zone?
    a. Yes, when the tank legs are on low setting
    b. Yes, when the tank legs are on high setting
    c. No, it cannot be done
    d. No, unless it is an internal floating roof
12. 7.12 On a shore tank, what is the term for the distance between the Reference Gauge Point and the Datum Point, as measured at the time of gauging?
    a. Observed reference point
    b. Reference gauge height
    c. Total gauge height
    d. Observed reference height
13. 7.27 Which industry documents describe the procedures for the gauging of petroleum or petroleum products?
    a. API MPMS Chapter 17.1/EI HM28
    b. API MPMS Chapter 17.9/EI HM49
    c. API MPMS Chapter 3/EI HM4
    d. API MPMS Chapter 1/EI HM0
14. 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
15. 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.
16. 7.31 To try to ensure gauging accuracy in shore tanks, what is the minimum recommended number of dips/gauges?
    a. 1
    b. 2 identical dips out of three
    c. 3 identical dips out of 4
    d. 4 dips, averaged
17. 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
18. 7.06 What does an outage/ullage measure?
    a. The distance from the tank datum plate or bottom to the tank reference point.
    b. The distance from the surface of a liquid in a tank to the reference gauge point of the tank.
    c. The amount of product transferred out from a tank.
    d. The level of liquid in a tank measured from the tank bottom to the surface of the liquid.
19. 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
20. 7.51 If a tank s capacity table is an innage or dip table, what is the preferred method of gauging?
    a. Side Gauge
    b. Ullage
    c. Innage or dip
    d. Outage
21. 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
22. 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
23. 7.11 What is the distance between the point where the floating roof begins to rest on its normal supports and the point where it begins to float freely known as?
    a. The floating level
    b. The lower leg level
    c. The critical zone
    d. The displacement level
24. 7.33 The use of non-slotted standpipes is not recommended for custody transfer measurements.
    a. True
    b. False
25. 7.47 If during gauging, the water cut falls on the clip of the gauge tape, what must be done?
    a. Repeat the water cut measurement using a water bar
    b. Repeat the water cut taking an ullage of the water
    c. Interpolate the cut
    d. Answers a. and b. are correct
26. 7.45 When would a check be made for water on the top of a cargo?
    a. If the observed density is less 1000 kg/m3 [observed API gravity greater than 10.0]
    b. If the observed density is greater 1000 kg/m3 [observed API gravity less than 10.0]
    c. It is never necessary to check for the presence of water on top of a cargo
    d. Only for fuel oil cargoes
27. 7.54 The floating roof of a shore tank displaces a certain volume of liquid when it is floating freely. What is the weight of the volume of liquid displaced equal to?
    a. The weight of the roof and attached deadwood
    b. The weight of the roof less the attached deadwood
    c. The weight of the roof adjusted for the density of the tank contents
    d. Answers a., b. and c. are all wrong
28. 7.18 Some measurement systems are gas-tight (closed) and other systems (restricted) permit some vapour to escape around the Portable Measurement Unit (PMU) when tanks are under positive pressure.
    a. True
    b. False
29. 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
30. 7.03 A tank capacity table is also referred to as a tank strapping table
    a. True
    b. False
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