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SECTION 7 - TANK GAUGING

1. 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
2. 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
3. 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
4. 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
5. 7.03 A tank capacity table is also referred to as a tank strapping table
. a. True
. b. False
. c.
. d.
6. 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
7. 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.
8. 7.44 How are free water measurements normally taken?
. a. By the innage method
. b. By the ullage method
. c. By the Heimlich method
. d. Answers a. and b. are correct
9. 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
10. 7.01 What is commonly meant by the term dip?
. a. Ullage
. b. Innage
. c. Free water measurement
. d. Swing gauge
11. 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
12. 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
13. 7.29 When using water finding paste in light products, how long should the gauging bar be left in position?
. a. A minimum of 5 seconds
. b. A minimum of 10 seconds
. c. A minimum of 30 seconds
. d. A minimum of 45 seconds
14. 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.
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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

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