LEVEL 3
Please refer the real case to get the information
1. What is the major error in gas welding explosion accident?
a.
Wrong method to repair.
b.
Forgot to check the equipment before start.
c.
7 workers work together.
d.
Start work after holiday.
2. How to prevent the sequence errors?
a.
Provide sufficient training.
b.
Skip the working steps.
c.
Ask for help.
d.
None of above.
3. For gas welding work, what should be done before holiday?
a.
Check the pressure.
b.
Sold out the gases.
c.
Stop gas supply and stored in well-ventilated place.
d.
Nothing to do.
4. What is the final accident in this case?
a.
Electric shock.
b.
Explosion.
c.
Chemical leakage.
d.
Platform collapsed.
5. For Dircrete Action, what is not the errors of it?
a.
Timing errors.
b.
Errors of omission.
c.
Sequence errors.
d.
Placing errors.