PDH Engineer     PE PDH
PDH Online

Accident - 7 Key Lessons to Prevent Worker Death During Hot Work in and Around Tanks


Quiz Questions

1. Hot work is defined as "work involving burning, welding, or a similar operation that is capable of initiating fires or explosions". Therefore cutting, brazing, grinding, and soldering etc. can be considered as Hot work.
True
False
2. Which one of the following is not a Seven key lessons from recent hot work accidents?
Analyze the Hazards
Train Thoroughly
Clean the work area
Test the Area
3. Avoid hot work of any kind in areas handling, processing or storing flammable liquids or gases.
True
False
4. The CSB has identified over _____ fatalities since 1990 due to explosions and fires from hot work activities on tanks.
50
60
70
80
5. Flammable gas and vapor concentrations are generally determined using a portable combustible gas detector, also called a _________ meter.
HEL
LEL
LLL
BEL
6. The incident at the EMC used oil facility in Florida is caused due to not performing combustible gas monitoring.
True
False
7. Three workers were killed in an explosion at the Packaging Corporation of America (PCA) fiberboard manufacturing facility while they were welding on a temporary metal clamp to stabilize a damaged flange connection. The CSB analysis of the tank contents determined that anaerobic bacteria had multiplied inside the tank and water recycle system over time, feeding on organic waste material. The bacteria likely produced _________, a highly flammable gas, which ignited during the welding work.
Hydrogen
Ammonia
Carbon Dioxide
Neon
8. Two workers were killed and another critically injured in an explosion involving a ___________ storage tank at a municipal wastewater treatment facility in Daytona Beach, Florida.
Ethyl
Methanol
Ether
Diesel
9. While the OSHA standard prohibits hot work in an explosive atmosphere, it does not explicitly require the use of a combustible gas detector.
True
False
10. A massive explosion destroyed a large storage tank containing a mixture of _____________ and flammable hydrocarbons at the Motiva Enterprises Delaware City Refinery.
Hydrochloric acid
Sulfuric acid
Chloric acid
Sulfites
DiscountPDH.com

DiscountPDH provides the best and highest quality online PDH engineering continuing education to PE Engineers.

We provide live PDH webinars and live PDH seminars. They are also accepted for PE Professional Engineering license renewal with the State Board of professional Engineers. Our PDH Courses are accepted in all state of United States of America. These states are Alabama, Alaska, Arkansas, Connecticut, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, and Wyoming.

Engineering Continuing Education PDH Courses
ALL PDH Courses
HVAC
ADA Accessible Design Courses
PE Civil Engineers
PE Structural Engineers
PE Mechanical Engineers
PE Environmental Engineers
PE Electrical Engineers
PE Chemical & Oil & Gas Engineers
PE Ohio Engineers
PE Nebraska Engineers & Architects
PE Illinois Engineers
Online PDH Courses
Land Surveying
Construction
Architecture
LEED - Green Building
Safety and Failure Analysis
Geology
Landscape Architecture
Building Inspection
Ethics & Law
Business Skills
Interior Design
Discount Packages