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