1. 6.70 Before testing, the product in the receiver of an automatic sampler must be mixed.
. a. True
. b. False
2. 6.42 When taking a running sample of a clear product such as jet fuel or a water-white chemical what procedure should you follow?
. a. Rinse the inside of the sample bottle with product prior to taking the sample
. b. Take a sample in a clear bottle to visually check the colour
. c. Ensure that product running down the sample cord cannot contaminate the sample
. d. Answers a., b. and c. are all correct
3. 6.44 A sample can or bottle should never be capped if it is more than 95% full.
. a. True
. b. False
4. 6.33 Which of the following statements is correct?
. a. Closed and restricted sampling equipment is essentially the same
. b. Restricted sampling equipment may allow small amounts of vapour to escape to atmosphere
. c. Closed sampling equipment is designed to prevent any escape of vapour to atmosphere
. d. Answers b. and c. are correct
5. 6.69 The sample receiver of an automatic sampling system must be inspected to ensure that it is clean and dry before it is used.
. a. True
. b. False
6. 6.57 A storage tank was manually gauged and found to have a product innage of 9.000 m [38 feet 6 inches]. The tank gauge height is 12.000 m [48 feet 10 inches]. At what innage level should the upper product spot sample be obtained?
. a. 7.500 m [32 feet 1 inch] from the tank bottom
. b. 2.000 m [5 feet 5 inches] below the surface of the product
. c. 11.850 m [40 feet 9 inches] from the tank bottom
. d. 150m [6 inches] below the surface of the product
7. 6.72 According to IP476/ISO 3171 and API MPMS Ch 8.2, sampling in a time proportional mode is acceptable if the flow rate variation is less than ±10 percent of the average rate over the entire parcel.
. a. True
. b. False
8. 6.12 What type of equipment would you use to sample liquid in a 55-gallon drum?
. a. A dead-bottom sampler
. b. A bottle and cage.
. c. A sampling tube.
. d. A dipper sampler.
9. 6.62 When upper-middle-lower samples are taken from a tank, what point is the upper sample taken from?
. a. 1/3 of the liquid height from the tank bottom
. b. At the middle of the tank outlet fitting
. c. At the middle of the upper third of the tank contents
. d. 15 cm [6 inches] off the tank bottom
10. 6.07 Which documents contain guidance for selecting sample containers?
. a. API MPMS Chapter 8.1 / ISO 3170
. b. IP 476 / API MPMS Chapter 8.2 / ISO 3171
. c. API MPMS Chapter 8.3
. d. API MPMS Chapter 8.4
11. 6.23 Sample containers may be 100% full when the vapour pressure of the product sampled is less than 10 psi.
. a. True
. b. False
12. 6.20 What is the name of a sample obtained by lowering an unstoppered container to the draw-off level of a tank and withdrawing the container without stopping?
. a. Multi-level sample
. b. Running sample
. c. All-levels sample
. d. Composite sample
13. 6.78 Why is it important to label all samples as soon as possible?
. a. National and/or local Government regulations require it.
. b. An incorrectly labeled sample could generate a legal action
. c. It is easy to label samples incorrectly if they are not labelled promptly
. d. Answers a., b. and c. are all correct
14. 6.02 Which of the following types of containers should never be used for handling or storage of jet fuel samples?
. a. Clear glass bottles
. b. Amber glass bottles
. c. Plastic bottles
. d. Epoxy lined metal cans
15. 6.15 When should a free water sample be taken ?
. a. When requested by the customer.
. b. They are not necessary.
. c. Immediately after every loading, except for chemicals.
. d. Whenever there is a sufficient quantity to sample
16. 6.34 When sampling a shore tank containing a product with an observed density of 1100 kg/m3, [API -2°] and the main concern is water, where would the water proabably be found?
. a. 15 cm [6 ] off the bottom
. b. Stratified between the lower and middle levels
. c. Floating on top of the cargo
. d. No water can be found in oils with a density greater than 1000 kg/m3[with negative API]
17. 6.77 When/where should samples be labeled?
. a. In the laboratory.
. b. Immediately after the sample is obtained.
. c. Before transportation to the laboratory.
. d. Immediately upon arrival in the laboratory
18. 6.54 Where is a lower sample is taken from?
. a. The bottom of the tank
. b. Just above the water level
. c. The mid-point of the bottom third of the liquid
. d. At the level of the tank outlet/inlet pipe
19. 6.79 When should a sample be labelled?
. a. On returning to the office
. b. After removing them from the sample transportation box.
. c. Just before leaving the facility
. d. Immediately after it is obtained
20. 6.22 Before sampling a clean product or petrochemical, the container should always be rinsed with the product when possible.
. a. True
. b. False

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