Conversion 4 Exam Questions with Verified Answers

If a decompression occurs, how can the CC know that the pilots are aware of the situation? - Answer- The CC heard "N1 to the flight deck" or will feel the emergency descent. Which setting must be used on the Quick don O2 mask if a pilot is found incapacitated after decompression? - Answer- Emergency. How many Quick don O2 mask are located in the flight deck? - Answer- 4. How would you manually open the compartment containing the O2 drop down masks above each of the mains doors? - Answer- - With an ID/Credit card. How is the passenger and CC O2 system activated Electrically? - Answer- - By a switch in the flight deck (switching the passengers oxygen from normal to on).. At which cabin altitude will O2 mask drop down Automatically? - Answer- 14,000 feet. Where can the drop down O2 mask be found in the cabin and how many of them in each location are there? - Answer- - 4 mask in the PSU per seat row. - 2 mask in each toilet. - 2 mask above each main doors. How many drop down O2 mask can be found above each main door? - Answer- 2 mask. How many drop O2 mask can be found in each PSU? - Answer- 4 mask. If there is a loss of cabin pressure and the passenger oxygen mask deploy during the flight, what would you do? - Answer- Grab the nearest oxygen mask, and shout the passengers to do the same. What is the time of useful consciousness at 40,000 feet? - Answer- 18 sec. When does advanced Hypoxia occur and what are the symptoms? - Answer- At 14,000 feet. - Headache. - Tiredness. - Blurred vision. - Loss of muscular coordination and - Posible personality change. Which factors will have a direct influence on the effects of Hypoxia? - Answer- - The altitude reach. - Rate of ascent. - Duration of exposure. - Individual tolerance. - Physical fitness. - Physical activity. - Psychological factors. - Environmental temperature. - Alcohol and smoking. - Medical conditions. What altitude does Extreme Hypoxia occur at? - Answer- 20,000 feet. What altitude does Mild Hypoxia occur at? - Answer- 10,000 feet. Headache, tiredness, burred vision, loss of muscular co-ordination, and possible personality changes are symptoms of? - Answer- Advanced Hypoxia. What are the symptoms of Mild Hypoxia? - Answer- - Headache. - Yawing. - Occasional deep breath. What are the material defects of a rapid decompression? - Answer- - Aloud explosive noise. - Air rising towards the failure (the hole) carrying loose article, papers, dust etc. - A dense fog will form in the cabin momentarily as the moisture held in the cabin condense. - Hot liquids will suddenly boil over (risk of scalding) doe to the reduced boiling point. - Oxygen mask will drop dow. - Fasten seatbelts sign will illuminates. What is a rapid decompression? - Answer- This is a sudden loos of cabin pressure , which takes less than 10 sec. to equalize with the outside pressure. What is a Slow decompression? - Answer- This is a gradual loss of cabin pressure, which can take more than 10 sec. to equalize with the outside pressure. At cruising altitude 0f 37,000 ft a/c need to be pressurized for us to be able to breath, to what altitude is a/c pressurised? - Answer- 6,000-8,000 ft. At which altitude does extreme Hypoxia occur and what are the Symptoms? - Answer- 20,000 ft. - Convulsion. - Colapse. - Coma. - Possible death within minutes. Decompression. What should the N2 do upon hearing "N1 to the flight deck"? - Answer- - Stow the trolleys and go to the FD galley. - Make a no smoking and reassuran