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NGA 70 & 71 PROMETRICS (ACTUAL / ) STUDY SET
WITH QUESTIONS AND ANSWERS
What do you do if you come across an unmarked facility Let the contractors know Warn them of danger
STOP ALL WORK IMMEDIATELY
Contact area supervisor or assigned field rep and get someone to locate/mark out our pipes
What happens in a component failure Section of pipeline is not doing its job
What are examples of component failure Reading a regulator vent/vent pole Cracked or broken main due to environmental conditions
What do you do when you come across a component failure Protect employee and public safety and property Notify dispatch/supervisor or assigned field rep 1 / 3
Use CGI to sample gas in air Determine extent of damage Repair or replace affected component (if qualified) Follow hazardous atmosphere procedure
What do you do if an explosion happens Secure the area Contact supervisor or assigned field rep Contact 911 IMMEDIATELY Check with incident commander that's on scene for further instructions
What happens if you come across exposed facilities
Inspect for:
Erosion/damage/corrosion
How much of methane is in natural gas 96%
What is the specified gravity of natural gas 2 / 3
0.6%
What is added to natural gas to give it smell Mercaptan
What do you do if you come across improper odorization Perform leak investigation with CGI to identify migrating gas Keep public a safe distance away Advise dispatch or assigned field rep Contact pressure department Eliminate ignition source
Natural gas is ________ than air Lighter
What color is natural gas when burning properly Blue
What color is natural gas when it is NOT burning properly
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