406 Welcome to your work permit receiver saudi aramco questions and answers let's get start Name Email 1. What would the issuer requires when welding in service hydrocarbon equipment? Fire watch Fire blanket Fire department Fire station None 2. What must operation do before removing their locks and tags? Take gas test and restart equipment Make sure the equipment can be safely started Make sure the equipment is gas free Clean and purge the breaker None 3. When the operation person has been isolated the unit and install padlock? Get tools and start work Do the job quickly They can start the job with instructions of foreman Receiver will install his lock None 4. Who from the work crew install locks? Every member of the crew One member of from each working crew The Foreman and the receiver The issuer and the gas tester None 5. Does every work permit require sign that gas test is conducted? No Yes , all type of work permit require gas test Only in the area where hydrocarbon is present Only confined space entry permit None 6. LOTO system, how many padlocks are required to be put on for 4 different contractors? 4 5 6 Only one None 7. In a confined space entry, what is the most important thing to do? Non sparking tools will be used Gas release can be made safely Get a hot permit Insure that space is isolated None 8. If only issuer and receiver (one group) is involved in an activity which needs isolation, how many locks are required? 1 No lock is required 3 2 None 9. Who should be the first organization to install locks and tags? Construction Maintenance Operations Receiver None 10. What is one hazard with doing hot work? Flash point Vapour pressure Cold work Ignition source None 11. Why it is necessary to know the direction of wind? None of above To ensure that wind will not blow into ignition source To prevent garbage and dirt to enter at work area To prevent sand from entering into open valve None 12. Why do we install tags as well as locks? To record a gas test To recover purging cycle To list safety precautions To explain why the lock is installed None 13. What must the fire watch be? Certified A receiver An issuer Trained None 14. Is there any condition when a lock can be forcefully removed? When work permit is finished When, who install lock, his supervisor or superintendent cannot be contacted When any one need to start or energize that equipment It cannot be removed forcefully None 15. When the operation person installs the padlock to the switchgear, what should he do? Ensure that the unit is isolated Work safely Check the switch again to make sure that it is correct unit None of above None 16. Two common methods of cleaning process equipment are.... Water wash and steaming Purging and gas testing Streaming and gas testing Treating and clarifying None 17. Installing locks and tags o electrical breakers prevents accidental... Nitrogen release Start‐up of equipment Blind installation Purging equipment None 18. Who can remove lock once installed? No one can remove it once it is locked One who install lock / lock owner (mentioned on tag as lock owner) Anyone who want to start the equipment Foreman of the working crew None 19. Equipment is isolated to make sure that it cannot be... Shutdown on purpose Started‐up, leak or cause electrical shock Taken to a shop for repair Shutdown by accident None 20. What should be check/conformed before removing a lock forcefully? Lock can be removed without any checks or precautions Personnel and facilities are safe from injury or damage All workers are in rest shelter Work permit is expired None 21. For welding activity, portable fire extinguisher shall be available within.... 23 m (75 ft) Not required for welding job 3 m (10 ft) 7.5 m (25 ft) None 22. On what level of oxygen, no work is allowed? 16.5% Any reading above 23.5% 22.8% None of there None 23. On which level of LEL, breathing apparatus is required to use? At 0.0 LEL 10% 0.5 % and above 0.05 LEL(0.05) and above None 24. What do we call the person who is required to be at a job site, because of a special skill he has? Designated representative Competent person Certified Standby man None 25. When a fire watch be required? For high risk job Whenever a fire could occur For any hot work permit When a gas test are over %LEL None 26. Fire watch must know how to... Operate process equipment Take gas test Be a receiver Operate fire equipment given to him None 27. What is checked in a gas test? Oxy‐acetylene, water vapours Flammable gas, inert gas and heavy gas Oxygen level Oxygen, flammable and toxic gases None 28. Equipment is isolated to make sure it cannot be... Slip trip or fall Shutdown by accident Start‐up leak or cause electric shock Taken to shop for repair None 29. During welding operation where will be your fire extinguisher be located? With welder On welding machine Upwind position Downwind position None 30. Which work permit requires sewers to cover up to 75 ft? Confined space entry permit Hot work permit Cold work permit No work permit have such requirement None 31. When preparing equipment for maintenance work, the issuer must make sure it is... Shutdown, isolated and de‐energized Isolated repaired and certified De‐energized with power turned on Electrified isolated and shutdown None 32. The reason equipment must be de‐energized and de‐pressurized before work is started is because? People can be injured Gas can be wasted Electricity can be wasted Lock and tags will be lost None 33. Hot work is allowed if the gases and vapour are measured what reading of LEL? Below 0.5% 10% Above 0.0% 0.05% None 34. Confined space entry is not allowed if... LEL 10% All of Above CO is 1000 ppm H2S is above 100 ppm None 35. What are the methods of isolation? Shutdown and clean Install tag and purge Remove piping and install blind Install lockout and take gas test None 36. What information must the gas tester enter in the work permit? Test result, normal gas readings and sign Gas test result, badge number and sign Name badge number and test result Gas test result and time of gas test None 37. What is oxygen deficiency? Oxygen that is not pure Too much oxygen Lower than normal (20%) amount of oxygen High than normal amount of Hydrogen Sulfied None 38. Which non‐flammable material is commonly used to purge process equipment? Nitrate Oxide Nitrate Nitrogen Nitrite None 39. At which level of oxygen breathing apparatus is required? Greater than 15% At 25% Less than 20% Less than 10% None 40. Who can remove a lock forcefully? Operation’s shift superintendent or foreman No one can remove a lock once it is installed Supervisor of working crew Person who install lock can remove it only None 41. Removing fuses from an electric circuit or disconnecting electric wiring is an example of... Isolating Purging Cleaning Locking None 42. Which one is applicable for H2S Readings? Above 100 ppm No work (confined space entry) allowed 10 ppm or above breathing apparatus must be used 10 ppm to 100 ppm division head must sign the permit All of Above None 43. On which reading of LEL, entry is not permitted in confined? 50 % LEL 0.05 LEL 0.5 LEL 10% LEL and above (0.1 LEL) None 44. The issuer tries to start‐up equipment at the field switch after it has been isolated and before work start to make sure? There is no gas in the area The receiver’s tag is installed It has been purged and cleaned It cannot accidently start None 45. What should be done is O2 level is less then 20%? Breathing apparatus must be used and division head must sign the permit Breathing apparatus must be used Work can be continued without use of breathing apparatus Division head must sign the permit None 46. What happen to the operations lock and tags installed on equipment when operators changes shifts? The lock must be changed The key are usually transferred to new shift The lock and tag must be changed The tag must be changed None 47. Removing fuses from electric circuit or disconnecting electrical wiring is an example of what? Cleaning electrical equipment Purging electrical equipment Isolating electrical equipment Locking electrical equipment None 48. When receiver smells a gas, what should he do? Inform safety department Report to the loss prevention Continue work and conduct gas test by himself Stop work and inform issuer to conduct gas test None 49. On which reading of gas test, breathing apparatus must be used? LEL 8% All of Above CO is 500 ppm O2 18.5% None 50. For isolation locks, how many keas for one as lock? One only One for issuer and one for receiver As many crew members 3 for each lock None 1 out of 10 Share 0 FacebookTwitterPinterestLinkedinRedditWhatsappTelegramEmail previous post Saudi Aramco & Sabic Work Permit Receiver Question Answers next post WPR MCQs 2025
