SECTION 7 - TANK GAUGING
คำชี้แจง - ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้ - ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้ - เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 80 หรือ 16 ข้อขึ้นไป
ทุกครั้งที่เข้าทำแบบทดสอบเสร็จสมบูรณ์ จะได้รับแต้มเข้าใช้งาน 1 แต้ม | ส่วนนี้จะทำการบันทึกข้อมูลเพื่อออกใบรับรอง หากทำแบบทดสอบผ่านเกณฑ์ที่กำหนด
แบบทดสอบนี้ มีจำนวนข้อสอบ 57 ข้อ หากต้องการเพิ่มจำนวนข้อ ให้เลือก เพิ่มจำนวนข้อเป็น 20 ข้อ 30 ข้อ 50 ข้อ

1. 7.15 An innage (dip) tape and bob may be used to take an outage (ullage) gauge. a. True b. False 2. 7.52 What do slip-tube gauging devices on rail tank cars measure? a. Any liquid in the tank car deeper than 75 mm [3 ] b. Any liquid under positive pressure in a tank car c. Any vapour in a tank car d. Any vapour with a depth greater than 1.2 m [4 feet] 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. 7.34 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. 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. 7.12 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 7. 7.36 When gauging a shore tank the tape should be read to the nearest 6mm [1/4 inch]? a. True b. False c. d. 8. 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 9. 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. 10. 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 11. 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 12. 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% 13. 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 14. 7.57 When setting a min/max stop gauge an inspector should: a. Make calculations and provide the gauge closest to the requested volume b. Inspector s don t set stop gauges c. Tell the terminal to set the stop and you will check it for accuracy d. Make calculations and provide the gauge closest to the requested volume without exceeding the volume to be transferred 15. 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 16. 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 17. 7.02 What occurs when a shore tank is filled to a level in the critical zone? a. The flexing bottom of a tank is at its highest point b. The tank will overflow if more liquid is added c. The floating roof is no longer resting on its legs d. The floating roof is only partially afloat and the capacity table may be inaccurate 18. 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 19. 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. 20. 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 ให้ตรวจสอบชื่อนามสกุลว่ากรอกครบหรือไหม่ พร้อมกับตรวจข้อสอบว่าเลือกทำครบทุกข้อหรือไม่ ไม่ครบไม่ตรวจนะครับ

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