1.
What must operation do before removing their locks and tags?
2.
If only issuer and receiver (one group) is involved in an activity which needs isolation, how many locks are required?
3.
What do we call the person who is required to be at a job site, because of a special skill he has?
4.
What must the fire watch be?
5.
Which non‐flammable material is commonly used to purge process equipment?
6.
Who from the work crew install locks?
7.
What information must the gas tester enter in the work permit?
8.
Removing fuses from electric circuit or disconnecting electrical wiring is an example of what?
9.
When a fire watch be required?
10.
What is one hazard with doing hot work?
11.
When preparing equipment for maintenance work, the issuer must make sure it is...
12.
Is there any condition when a lock can be forcefully removed?
13.
On which reading of LEL, entry is not permitted in confined?
14.
Confined space entry is not allowed if...
15.
Which work permit requires sewers to cover up to 75 ft?
16.
Who can remove a lock forcefully?
17.
The reason equipment must be de‐energized and de‐pressurized before work is started is because?
18.
Equipment is isolated to make sure it cannot be...
19.
What is oxygen deficiency?
20.
What are the methods of isolation?
21.
Who should be the first organization to install locks and tags?
22.
What should be check/conformed before removing a lock forcefully?
23.
When the operation person has been isolated the unit and install padlock?
24.
What would the issuer requires when welding in service hydrocarbon equipment?
25.
At which level of oxygen breathing apparatus is required?
26.
What is checked in a gas test?
27.
On what level of oxygen, no work is allowed?
28.
LOTO system, how many padlocks are required to be put on for 4 different contractors?
29.
Hot work is allowed if the gases and vapour are measured what reading of LEL?
30.
Why it is necessary to know the direction of wind?
31.
For welding activity, portable fire extinguisher shall be available within....
32.
Two common methods of cleaning process equipment are....
33.
When receiver smells a gas, what should he do?
34.
The issuer tries to start‐up equipment at the field switch after it has been isolated and before work start to make sure?
35.
Equipment is isolated to make sure that it cannot be...
36.
Which one is applicable for H2S Readings?
37.
In a confined space entry, what is the most important thing to do?
38.
During welding operation where will be your fire extinguisher be located?
39.
Who can remove lock once installed?
40.
What should be done is O2 level is less then 20%?
41.
Fire watch must know how to...
42.
What happen to the operations lock and tags installed on equipment when operators changes shifts?
43.
Installing locks and tags o electrical breakers prevents accidental...
44.
Why do we install tags as well as locks?
45.
When the operation person installs the padlock to the switchgear, what should he do?
46.
On which level of LEL, breathing apparatus is required to use?
47.
On which reading of gas test, breathing apparatus must be used?
48.
Removing fuses from an electric circuit or disconnecting electric wiring is an example of...
49.
Does every work permit require sign that gas test is conducted?
50.
For isolation locks, how many keas for one as lock?
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