SECTION 7 - TANK GAUGING

คำชี้แจง

- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้

- ส่วนนี้จะไม่มีการบันทึกผลสอบ หากต้องการบันทึกโปรดสมัครสมาชิก

- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้

- ผู้ทำข้อสอบจะมีเวลาในการทำข้อสอบเพียง 30 นาที หากเกินเวลา ระบบจะไม่ตรวจข้อสอบให้

- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 80 หรือ 24 ข้อขึ้นไป

ส่วนนี้จะไม่มีการบันทึกผลสอบ และแสดงเฉลยแบบทดสอบ หากต้องการบันทึก และรายงานการทำแบบทดสอบ โปรดสมัครสมาชิก

1. 7.15 An innage (dip) tape and bob may be used to take an outage (ullage) gauge. a. True b. False
2. 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.
3. 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
4. 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
5. 7.48 What is the minimum amount of time the bob should stay in position while water cutting a heavy crude oil? a. 10 seconds b. 30 seconds c. 60 seconds d. There is no set time
6. 7.09 What is the observed gauge height of a tank? a. The distance from the reference gauge point to the bottom of the tank or the datum plate as measured during the gauging operation b. The distance from the reference gauge point to the bottom of the tank or the datum plate as shown on the tank capacity tables c. The distance from the ullage pipe to the liquid level d. Usually written somewhere on the ullage pipe
7. 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
8. 7.05 What does an innage/sounding measure? a. The distance from the surface of the liquid in the tank to the reference gauge point of the tank. b. The distance between the point where the floating roof of the tank is floating freely and the point where it is resting fully on it s supports. c. The level of liquid in a tank measured from the datum plate or tank bottom to the surface of the liquid. d. The distance from the tank datum plate or bottom to the tank reference gauge point.
9. 7.01 What is commonly meant by the term dip? a. Ullage b. Innage c. Free water measurement d. Swing gauge
10. 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
11. 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
12. 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
13. 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
14. 7.23 When taking a level measurement three gauge tape readings should be within___ a. 12mm or 1/2 inch b. 6mm or 1/4 inch c. 3mm or 1/8 inch d. 9mm or 1/3 inch
15. 7.03 A tank capacity table is also referred to as a tank strapping table a. True b. False c. d.
16. 7.34 When gauging a terminal storage tank prior to loading a barge, an inspector notes that his observed gauge height does not match the reference gauge height. On gauging the same tank on completion of loading the barge he again observes the same difference in observed and reference gauge heights, such that both opening and closing observed gauge height readings are identical. Can the gauges obtained be used for determining the loaded volume? a. Yes b. No c. d.
17. 7.25 If a portable measurement unit (PMU) is used, which of the following procedures should be followed to measure free water on a vessel before discharge? a. Rely on the PMU alone for free water level measurement b. Use water-finding paste with a sounding rod/rule or dip tape c. Answers a. and b. are both correct d. Recommend to the terminal that the free water received and measured ashore be applied to the vessel figures
18. 7.19 Which gauge measures the distance from the datum plate or tank bottom to the surface of the liquid? a. Innage b. Ullage c. d.
19. 7.38 If there is a discrepancy between Reference Gauge Height and Observed Gauge Height when gauging a shore tank what action should be taken? a. Adjust the gauge to observed reference height b. Ullage the tank c. Recheck the gauge, make a note of the difference and inform your supervisor d. The difference can be ignored it as long as the ship to shore difference does not exceed 0.5%
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. 7.10 What is innage or dip? a. The distance from the datum plate or the tank bottom to the surface of the product b. The measurement from the tank bottom to reference point c. The cut found on the bob d. The distance from the reference point to surface of the product
22. 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
23. 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.
24. 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
25. 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 c. d.
26. 7.33 The use of non-slotted standpipes is not recommended for custody transfer measurements. a. True b. False c. d.
27. 7.53 When inspecting a series of rail tank cars the liquid outage/ullage level must be measured in all cars a. True b. False c. d.
28. 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.
29. 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
30. 7.35 When gauging a tank by the innage method, a comparison between the observed and reference gauge height is made to ensure which of the following? a. The gauge tape and bob are suspended in a vertical position within the tank. b. The gauge bob is in contact with the tank bottom or datum plate c. The tape has not been lowered too far into the tank d. Answers a., b. and c. are all correct
ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

แนะนำชุดข้อสอบ

1. แนวข้อสอบวิทยาศาสตร์ ประถมศึกษาปีที่ 4 ชุดที่ 1

2. แบบทดสอบหลังเรียน เรื่อง กีฬาแบดมินตัน

3. แบบทดสอบวิชาบาสเก็ตบอล

4. ข้อสอบ บรรจุครูผู้ช่วย วิชาเอก ปฐมวัย พร้อมเฉลย 50 ข้อ

นำแบบทดสอบไปติดที่เว็บของคุณ