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