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