2.15.11

NOTE

TO CHECK YOUR PREPARATION ,PLZ WRITE DOWN YOUR SELECTED OPTIONS (A,B,C) ON ROUGH PAGE AND  AT THE END OF QUIZ , VERIFY YOUR SELECTED OPTIONS WITH THE CORRECT OPTIONS GIVEN BELOW

Question Number. 11. American made crew oxygen cylinders are.
Option A. black in colour with a RH thread.
Option B. green in colour with a LH thread.
Option C. green in colour with a RH thread.


Question Number. 12. Which connector has a left hand thread?.
Option A. N2.
Option B. Freon.
Option C. O2.



Question Number. 13. What is the principle of an O2 generator?.
Option A. Sodium chlorate and iron mixed by an electronic detonator.
Option B. Sodium chlorate and iron using a mechanical detonator producing O2 when mixed with air.
Option C. Sodium chloride and iron mixed by an electronic detonator.



Question Number. 14. What pressure are oxygen cylinders usually pressurised to?.
Option A. 300 PSI.
Option B. 1800 PSI.
Option C. 3000 PSI.



Question Number. 15. Oxygen storage cylinders, once charged should be.
Option A. turned on by crew.
Option B. turned off.
Option C. turned on and safety wire-locked.



Question Number. 16. A thermal compensator is used in.
Option A. a fuel system.
Option B. an oxygen system.
Option C. an hydraulic system.



Question Number. 17. When charging an oxygen bottle with gaseous oxygen, the oxygen is.
Option A. passed into the bottle slowly to keep the temperature at approximately ambient.
Option B. passed into the bottle at any rate as this does not affect temperature.
Option C. passed into the bottle as quickly as possible to keep the temperature down.



Question Number. 18. Where are the left handed threads found in an oxygen system?.
Option A. Line valve.
Option B. Shut-off valve.
Option C. Charging connection.



Question Number. 19. Portable O2 diluter demand valve works when.
Option A. the user breathes in.
Option B. 100% is selected.
Option C. less than 500 psi is in bottle.



Question Number. 20. A double headed oxygen pressure regulator is used for.
Option A. additional flightcrew.
Option B. changes in altitude.
Option C. extra supply in case of emergency.


ABOVE QUESTIONS WITH ANSWERS 

Question Number. 11. American made crew oxygen cylinders are.
Option A. black in colour with a RH thread.
Option B. green in colour with a LH thread.
Option C. green in colour with a RH thread.
Correct Answer is. green in colour with a RH thread.
Explanation. CAAIP\'s Leaflet 5-9 p7 para 4.2.3 states green for cylinders for American origin. (l/h threads are for charging points).

Question Number. 12. Which connector has a left hand thread?.
Option A. N2.
Option B. Freon.
Option C. O2.
Correct Answer is. O2.
Explanation. CAAIP Leaflet 5-9 para 5.13.3(e).


Question Number. 13. What is the principle of an O2 generator?.
Option A. Sodium chlorate and iron mixed by an electronic detonator.
Option B. Sodium chlorate and iron using a mechanical detonator producing O2 when mixed with air.
Option C. Sodium chloride and iron mixed by an electronic detonator.
Correct Answer is. Sodium chlorate and iron mixed by an electronic detonator.
Explanation. CAIPs AL/3-25 3.5.1.


Question Number. 14. What pressure are oxygen cylinders usually pressurised to?.
Option A. 300 PSI.
Option B. 1800 PSI.
Option C. 3000 PSI.
Correct Answer is. 1800 PSI.
Explanation. AL/3-25 4.2, and CAAIPs Leaflet 5-9 3.3.1 and A&P Technician Airframe Textbook 14-8.


Question Number. 15. Oxygen storage cylinders, once charged should be.
Option A. turned on by crew.
Option B. turned off.
Option C. turned on and safety wire-locked.
Correct Answer is. turned on and safety wire-locked.
Explanation. NIL.


Question Number. 16. A thermal compensator is used in.
Option A. a fuel system.
Option B. an oxygen system.
Option C. an hydraulic system.
Correct Answer is. an oxygen system.
Explanation. CAIPs AL/3-25 4.12.


Question Number. 17. When charging an oxygen bottle with gaseous oxygen, the oxygen is.
Option A. passed into the bottle slowly to keep the temperature at approximately ambient.
Option B. passed into the bottle at any rate as this does not affect temperature.
Option C. passed into the bottle as quickly as possible to keep the temperature down.
Correct Answer is. passed into the bottle slowly to keep the temperature at approximately ambient.
Explanation. A&P Mechanic Airframe Handbook Page 598.


Question Number. 18. Where are the left handed threads found in an oxygen system?.
Option A. Line valve.
Option B. Shut-off valve.
Option C. Charging connection.
Correct Answer is. Charging connection.
Explanation. CAAIP Leaflet 5-9 para 5.13.3(e).


Question Number. 19. Portable O2 diluter demand valve works when.
Option A. the user breathes in.
Option B. 100% is selected.
Option C. less than 500 psi is in bottle.
Correct Answer is. the user breathes in.
Explanation. A&P Technician Airframe Textbook 14-9.


Question Number. 20. A double headed oxygen pressure regulator is used for.
Option A. additional flightcrew.
Option B. changes in altitude.
Option C. extra supply in case of emergency.
Correct Answer is. additional flightcrew.
Explanation. NIL.