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