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SECTION 5 - SAFETY

1. 5.06 When lifting anything heavy, which muscles should take most of the weight?
. a. Upper arm muscles
. b. Leg muscles
. c. Back muscles
. d. Answers a., b. and c. are all correct, to distribute the load equally
2. 5.15 Which of the following is defined as a corrosive liquid?
. a. An acid solution
. b. A caustic solution
. c. Acid and caustic solutions are not corrosive
. d. Acid and caustic solutions are both corrosive
3. 5.89 When working in an area where peronal monitors indicate the presence of hydrogen sulfide you must wear SCBA
. a. True
. b. False
.
.
4. 5.43 What defines a confined space?
. a. It has limited means of access and exit
. b. It is not designed for continuous occupation
. c. It has limited natural ventilation
. d. Answers a., b. and c. are all correct
5. 5.21 Before gauging a tank, how can static electricity be discharged from your body?
. a. By using a tank gauge meter
. b. By touching a grounded structure such as a tank railing, with bare hands
. c. By using natural fiber sampling cords
. d. By touching a grounded structure such as a tank railing, while wearing rubber gloves
6. 5.16 Corrosive liquids will directly injure the body tissue on contact.
. a. True
. b. False
.
.
7. 5.39 When does a confined space exist on a tank with an external floating roof?
. a. When the roof is located anywhere under the top ring or course of the tank plates
. b. Only when the tank is empty
. c. Only when the roof is resting on its legs
. d. Answers a., b. and c. are all wrong
8. 5.19 What does H2S stand for?
. a. Water
. b. Hydrogen
. c. Hydrogen sulfide
. d. Dihydrosodium
9. 5.03 Regardless of the product, and in accordance with API Ch 8.1/ASTM D4057, what is the maximum level to which sample containers should normally be filled?
. a. 50%
. b. 80%
. c. 85%
. d. 100%
10. 5.57 Benzene is a health hazard. Which of the following are likely to contain benzene?
. a. Crude Oil
. b. Gasoline
. c. Ethylbenzene
. d. Answers a., b. and c. are all correct
11. 5.49 If the atmosphere in a cargo tank is stated to be below the LEL what does this mean?
. a. There is not enough oxygen in the tank to support combustion
. b. There is too much hydrocarbon vapor in the tank to support combustion
. c. Answers a. and b. are correct
. d. There is not enough hydrocarbon vapor in the tank to permit combustion.
12. 5.22 When using a metal tape to gauge a tank, the tape should always stay in contact with the gauge hatch.
. a. True
. b. False
.
.
13. 5.13 What information must GHS sample labels contain?
. a. Hazard pictograms, signal words and hazard statements
. b. Product name and precautionary statements
. c. Information in both a. and b. above
. d. Information in a. and b. above and supplier information, including a telephone number
14. 5.71 Who or what should you consult if you need to know detailed safety or exposure information about benzene?
. a. Your doctor or pharmacist
. b. Your Safety Manual
. c. The Safety Data Sheet
. d. The International Safety Guide for Oil Tankers and Terminals (ISGOTT)
15. 5.52 An explosimeter (explosion meter) measuring LEL% is utilized to sample the atmosphere within a cargo tank and a reading of 15% is observed. What does the reading mean?
. a. The atmosphere in the tank contains 15% oxygen
. b. The atmosphere in the tank is 15% of the lowest concentration of an explosive mixture of air and hydrocarbon vapours
. c. The atmosphere in the tank is 15% hydrocarbon vapours
. d. The atmosphere in the tank is a 15% mixture of air and hydrocarbon vapours
16. 5.17 A chemical has a strong odour. What does this indicate?
. a. That a hazard exists
. b. That the vapour concentration is low
. c. That the vapour concentration is high
. d. Odour is an unreliable source of specific information regarding a chemical
17. 5.69 Hydrogen sulfide may be present in all petroleum products, crude oil and many types of petrochemicals.
. a. True
. b. False
.
.
18. 5.42 Products have defined limits of combustion. What are these?
. a. The Permissible Exposure Limit and the Threshold Limit Value
. b. The Lower Explosive Limit, Upper Explosive Limit and the Flash Point
. c. The Flash Point and the Threshold Limit Value
. d. The Permissible Exposure Limit and the Lower Explosive Limit
19. 5.74 When working in an environment suspected of containing H2S, personal monitors must show a level below (or provide an alarm at) what limit?
. a. 5 ppm (10 ppm in USA)
. b. 1 ppm (2 ppm in USA)
. c. 15 ppm (20 ppm in USA)
. d. 0.1 ppm (0.2 ppm in USA)
20. 5.40 Which of the following are considered to be confined spaces?
. a. A cofferdam
. b. An external floating roof tank
. c. A ship s pump-room
. d. Answers a., b. and c. are all correct

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