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