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1. 5.16 Corrosive liquids will directly injure the body tissue on contact.
    a. True
    b. False

2. 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
3. 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
4. 5.73 When working in an environment suspected of containing H2S what is the only effective protection?
    a. Full face respirator
    b. Half mask respirator
    c. Self-contained breathing apparatus (SCBA)
    d. Answers a., b. and c. are all correct
5. 5.62 Which of the following statements are correct, when working with benzene?
    a. As a minimum, a full face or half mask cartridge respirator must be worn for closed or restricted system gauging and sampling
    b. A self contained breathing apparatus must be used in all open tank situations
    c. A self contained breathing apparatus must be used if the exposure is expected to exceed 50ppm
    d. Answers a., b. and c. are all correct
6. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.)
    a. True
    b. False
    c. Only when in exposed seaway conditions
    d. Only when no gangways are available
7. 5.53 What does an oxygen meter measure?
    a. The percentage of oxygen below the LEL of a hydrocarbon/air mixture
    b. The amount of oxygen needed to make a confined space safe for entry
    c. The percentage of oxygen contained in the atmosphere being sampled
    d. Answers a., b. and c. are all wrong
8. 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
9. 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)
10. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination.
    a. True
    b. False

11. 5.82 What is the short term exposure limit (STEL) for hydrogen sulfide?
    a. 15 ppm (30 ppm in USA)
    b. 10 ppm (20ppm in USA)
    c. 25 ppm (50 ppm in USA)
    d. 30 ppm (60 ppm in USA)
12. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid.
    a. True
    b. False

13. 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)
14. 5.28 Why is it important to wear gloves while sampling?
    a. So that the sample is not contaminated
    b. To prevent your hands becoming dirty
    c. To prevent hazardous substances being absorbed through the skin
    d. Answers a., b. and c. are all correct
15. 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
16. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it.
    a. True
    b. False

17. 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
18. 5.05 When gauging a tank that is emitting vapours, where should you position yourself?
    a. It is not important
    b. Up-wind of the gauge hatch
    c. With the wind in your face
    d. With the wind at your left or right side
19. 5.08 Which of the following safety equipment is not required on every job?
    a. H2S monitor
    b. SCBA
    c. Hard hat, safety footwear, gloves
    d. Long-sleeve, fire resistant clothing
20. 5.51 What does an explosimeter (explosion meter) measure?
    a. The amount of oxygen in a space
    b. Whether a space is safe for entry
    c. Whether or not there is an explosive atmosphere in a space
    d. The flash point of a gas mixture.
21. 5.45 According to the International Safety Guide for Oil Tankers and Terminals (ISGOTT), for a tank to be safe for entry, what should the reading on a combustible gas detector be?
    a. Less than 15%
    b. Less than 10%
    c. Less than 1%
    d. Less than 0.5%
22. 5.25 How can the opportunity for a build-up and/or discharge of static electricity be reduced?
    a. By wearing rubber gloves
    b. By not allowing your hands to slide on the hand rail
    c. By grounding yourself and your equipment before opening the gauge/sample hatch and during subsequent operations
    d. By using stainless steel equipment
23. 5.14 The GHS applies to:
    a. sample labels only
    b. Safety Data Sheets (SDSs) only
    c. sample labels and SDSs
    d. specialised chemicals only
24. 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
25. 5.30 What is the main component of inert gas used on crude oil vessels?
    a. Carbon sulfide
    b. Carbon dioxide
    c. Oxygen
    d. Hydrogen
26. 5.76 Hydrogen sulfide is probably the most dangerous gas commonly encountered in the petroleum industry.
    a. True
    b. False

27. 5.72 What is the most hazardous component of many crude oils?
    a. Benzene
    b. Toluene
    c. Xylene
    d. Hydrogen sulfide
28. 5.10 The responsibility for an inspector complying with the safety regulations in any terminal belongs to?
    a. The terminal staff
    b. The terminal s safety officer
    c. The inspector
    d. The inspector s manager
29. 5.68 How heavy are benzene vapours?
    a. Lighter than air
    b. Heavier than air
    c. Same as air
    d. Answers a., b. and c. are all wrong
30. 5.23 While sampling a crude ship, the fire alarm sounds. What action should be taken?
    a. Grab a type C fire extinguisher and assist the crew
    b. Close the hatch and call for the launch
    c. Continue sampling because the crew will take care of the fire
    d. Immediately secure your area and report to the muster point
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