255 Welcome to your work permit receiver saudi aramco questions and answers let's get start Name Email 1. Equipment is isolated to make sure it cannot be... Taken to shop for repair Shutdown by accident Slip trip or fall Start‐up leak or cause electric shock None 2. What is one hazard with doing hot work? Ignition source Vapour pressure Cold work Flash point None 3. During welding operation where will be your fire extinguisher be located? Upwind position With welder Downwind position On welding machine None 4. What is oxygen deficiency? Too much oxygen Lower than normal (20%) amount of oxygen High than normal amount of Hydrogen Sulfied Oxygen that is not pure 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. Why it is necessary to know the direction of wind? None of above 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 7. At which level of oxygen breathing apparatus is required? Less than 20% Less than 10% Greater than 15% At 25% None 8. 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 9. Confined space entry is not allowed if... H2S is above 100 ppm All of Above CO is 1000 ppm LEL 10% None 10. What information must the gas tester enter in the work permit? Gas test result, badge number and sign Gas test result and time of gas test Test result, normal gas readings and sign Name badge number and test result None 11. Fire watch must know how to... Operate process equipment Take gas test Be a receiver Operate fire equipment given to him None 12. The reason equipment must be de‐energized and de‐pressurized before work is started is because? People can be injured Lock and tags will be lost Gas can be wasted Electricity can be wasted None 13. When preparing equipment for maintenance work, the issuer must make sure it is... Electrified isolated and shutdown De‐energized with power turned on Shutdown, isolated and de‐energized Isolated repaired and certified None 14. Which non‐flammable material is commonly used to purge process equipment? Nitrite Nitrogen Nitrate Nitrate Oxide None 15. Installing locks and tags o electrical breakers prevents accidental... Purging equipment Nitrogen release Start‐up of equipment Blind installation None 16. Hot work is allowed if the gases and vapour are measured what reading of LEL? Below 0.5% 0.05% Above 0.0% 10% None 17. If only issuer and receiver (one group) is involved in an activity which needs isolation, how many locks are required? 2 1 3 No lock is required None 18. Removing fuses from an electric circuit or disconnecting electric wiring is an example of... Isolating Locking Purging Cleaning None 19. What are the methods of isolation? Install lockout and take gas test Install tag and purge Shutdown and clean Remove piping and install blind None 20. On what level of oxygen, no work is allowed? None of there Any reading above 23.5% 16.5% 22.8% None 21. When the operation person has been isolated the unit and install padlock? Get tools and start work They can start the job with instructions of foreman Receiver will install his lock Do the job quickly None 22. When the operation person installs the padlock to the switchgear, what should he do? None of above Ensure that the unit is isolated Work safely Check the switch again to make sure that it is correct unit None 23. 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 24. Why do we install tags as well as locks? To explain why the lock is installed To list safety precautions To recover purging cycle To record a gas test None 25. 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 26. Who from the work crew install locks? The Foreman and the receiver One member of from each working crew The issuer and the gas tester Every member of the crew None 27. What do we call the person who is required to be at a job site, because of a special skill he has? Certified Competent person Designated representative Standby man None 28. When a fire watch be required? For any hot work permit For high risk job When a gas test are over %LEL Whenever a fire could occur None 29. Which one is applicable for H2S Readings? Above 100 ppm No work (confined space entry) allowed 10 ppm to 100 ppm division head must sign the permit All of Above 10 ppm or above breathing apparatus must be used None 30. When receiver smells a gas, what should he do? Stop work and inform issuer to conduct gas test Report to the loss prevention Inform safety department Continue work and conduct gas test by himself None 31. LOTO system, how many padlocks are required to be put on for 4 different contractors? 5 Only one 4 6 None 32. 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 33. 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 34. What must the fire watch be? Trained A receiver Certified An issuer None 35. What must operation do before removing their locks and tags? Make sure the equipment can be safely started Take gas test and restart equipment Make sure the equipment is gas free Clean and purge the breaker None 36. On which reading of gas test, breathing apparatus must be used? All of Above O2 18.5% CO is 500 ppm LEL 8% None 37. 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 38. On which reading of LEL, entry is not permitted in confined? 0.05 LEL 50 % LEL 10% LEL and above (0.1 LEL) 0.5 LEL None 39. Two common methods of cleaning process equipment are.... Streaming and gas testing Water wash and steaming Purging and gas testing Treating and clarifying None 40. What is checked in a gas test? Oxygen level Oxy‐acetylene, water vapours Oxygen, flammable and toxic gases Flammable gas, inert gas and heavy gas None 41. Removing fuses from electric circuit or disconnecting electrical wiring is an example of what? Purging electrical equipment Isolating electrical equipment Locking electrical equipment Cleaning electrical equipment None 42. 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 It cannot accidently start The receiver’s tag is installed It has been purged and cleaned None 43. 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 44. Which work permit requires sewers to cover up to 75 ft? No work permit have such requirement Cold work permit Confined space entry permit Hot work permit None 45. 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 46. Who should be the first organization to install locks and tags? Operations Construction Maintenance Receiver None 47. Equipment is isolated to make sure that it cannot be... Taken to a shop for repair Started‐up, leak or cause electrical shock Shutdown on purpose Shutdown by accident None 48. What happen to the operations lock and tags installed on equipment when operators changes shifts? The tag must be changed The key are usually transferred to new shift The lock and tag must be changed The lock must be changed None 49. What would the issuer requires when welding in service hydrocarbon equipment? Fire watch Fire station Fire department Fire blanket None 50. 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 1 out of 10 Share 0 FacebookTwitterPinterestLinkedinRedditWhatsappTelegramEmail previous post Saudi Aramco & Sabic Work Permit Receiver Question Answers next post WPR MCQs 2025
