| 1. |
On February 7, 2008, at about 7:15 p.m., a series of sugar dust explosions at the Imperial Sugar manufacturing facility in Port Wentworth, Georgia, resulted in __________ worker fatalities. |
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8 |
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10 |
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11 |
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14 |
| 2. |
Imperial Sugar Company purchased the Port Wentworth facility from Savannah Foods and Industries, Inc. in December 1997. Imperial Sugar Company is a public company. |
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True |
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False |
| 3. |
For many years, granulated sugar on these conveyors was exposed to possible contamination from debris that could fall onto the sugar. In ________, Imperial Sugar installed a stainless steel frame with top and side panels to fully enclose each belt assembly to protect the granulated sugar from falling debris and reduce the possibility of intentional contamination. |
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2004 |
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2005 |
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2006 |
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2007 |
| 4. |
In 1924, R.V. Wheeler (Wheeler, 1924) divided combustible dusts into __________ classes based on ignitability and relative burn rates. |
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Two |
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Three |
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Four |
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Five |
| 5. |
Accumulations of combustible dust on horizontal surfaces in the work area are a serious fire hazard because they can ignite and burn. However, dust on horizontal surfaces will not explosively ignite, even when it has accumulated to a depth of an inch or more. |
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True |
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False |
| 6. |
The _________ concluded that as granulated sugar spilled off the moving steel conveyor at the blocked outlet, sugar dust accumulated above the MEC inside the enclosed conveyor, and then ignited. |
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OSHA |
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EPA |
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CSB |
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None of the above |
| 7. |
Imperial Sugar didn’t had policies and procedures to control open flames. |
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True |
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False |
| 8. |
Which of the following is ruled out as not the ignition source of the primary dust explosion? |
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Electric spark ignition |
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Hot surface ignition |
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Friction sparks |
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All of the above |
| 9. |
The company had posted emergency evacuation routes and also provided work location specific evacuation training to all employees and contractors and conducted evacuation drills. |
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True |
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False |
| 10. |
The powdered sugar and cornstarch process equipment dust collection system used _________ collectors. |
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Dry dust |
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Wet dust |
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Mesh |
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Bag |
| 11. |
Workers told the CSB investigators that occasionally, __________ occurred in the packing buildings when sugar or packaging material was ignited by a hot electrical device or overheated bearing. |
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Dust storms |
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Small fires |
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Sugar leakage |
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Electric sparks |
| 12. |
In April 2009, 14 months after the Imperial Sugar incident, _________ announced it intends to initiate rulemaking on a general industry combustible dust standard. |
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OSHA |
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PET |
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ETA |
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Georgia Fire Protection Agency |
| 13. |
Founded in 1919, _____________ provides independent inspections, audits, and training to food processing, distribution, and retail industries worldwide. |
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OSHA |
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ETA |
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AIB International |
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NFPA |
| 14. |
Which of the following is not a likely cause for the explosion? |
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An overheated bearing in the steel belt conveyor most likely ignited a primary dust explosion |
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The 14 fatalities were most likely the result of the secondary explosions and fires. |
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Workers smoking area is very close to the dust accumulators which cause ignition |
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Sugar and cornstarch conveying equipment was not designed or maintained to minimize the release of sugar and sugar dust into the work area. |
| 15. |
Which of the following association gave recommendations after the Incident? |
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AIB International |
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Zurich Services Corporation |
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Risk Insurance Management Society, Inc. |
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All of the above |
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