1.15.11

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. 1. Anoxia is due to.
Option A. lack of oxygen.
Option B. low air pressure on the body.
Option C. release of nitrogen bubbles in the blood.


Question Number. 2. The dilutor demand regulator functions.
Option A. all the time.
Option B. only when the supply valve is opened by the user.
Option C. when the user breathes in.


Question Number. 3. To measure moisture in an oxygen system use.
Option A. a glass plate.
Option B. litmus paper.
Option C. a hygrometer using the dew point method.


Question Number. 4. Oxygen cylinder test dates.
Option A. are painted in white on the cylinder.
Option B. are variable depending on discharge.
Option C. may be stencilled on the neck of the cylinder.


Question Number. 5. 02 system pressure has leaked away after charging. What is the most probable cause?.
Option A. Supernumerator regular.
Option B. Temperature compensator.
Option C. Breathing regulator.



Question Number. 6. If an O2 system is leaking, where would you most likely find the cause?.
Option A. Thermal Relief Valve.
Option B. Loose connection.
Option C. Breathing mask.

Question Number. 7. As the cabin altitude reaches 3042 metres.
Option A. the 02 masks deploy automatically and the crew activates the system from the emergency panel.
Option B. the 02 masks deploy automatically and hang half way extended.
Option C. the 02 masks deploy automatically and the crew must activate the system from the cockpit.



Question Number. 8. Oxygen cylinders are normally fitted with.
Option A. pressure and quantity gauges.
Option B. oxygen purity gauge.
Option C. temperature gauge.


Question Number. 9. A demand regulator in a portable oxygen bottle opens.
Option A. all the time.
Option B. when breathing.
Option C. when 100% selected.


Question Number. 10. Portable oxygen bottles are fitted with.
Option A. a demand regulator.
Option B. an overpressure indicator.
Option C. an over temperature indicator.


ABOVE QUESTIONS WITH ANSWERS 

Question Number. 1. Anoxia is due to.
Option A. lack of oxygen.
Option B. low air pressure on the body.
Option C. release of nitrogen bubbles in the blood.
Correct Answer is. lack of oxygen.
Explanation. CAAIPs Leaflet 5-9 Para 2.1.

Question Number. 2. The dilutor demand regulator functions.
Option A. all the time.
Option B. only when the supply valve is opened by the user.
Option C. when the user breathes in.
Correct Answer is. when the user breathes in.
Explanation. Jeppesen A&P Technician Airframe Textbook Page 14-10.

Question Number. 3. To measure moisture in an oxygen system use.
Option A. a glass plate.
Option B. litmus paper.
Option C. a hygrometer using the dew point method.
Correct Answer is. a hygrometer using the dew point method.
Explanation. CAIPs AL/3-25 Para 6.4.

Question Number. 4. Oxygen cylinder test dates.
Option A. are painted in white on the cylinder.
Option B. are variable depending on discharge.
Option C. may be stencilled on the neck of the cylinder.
Correct Answer is. are painted in white on the cylinder.
Explanation. CAIPs AL/3-25 para 4.2.2.

Question Number. 5. 02 system pressure has leaked away after charging. What is the most probable cause?.
Option A. Supernumerator regular.
Option B. Temperature compensator.
Option C. Breathing regulator.
Correct Answer is. Breathing regulator.
Explanation. NIL.

Question Number. 6. If an O2 system is leaking, where would you most likely find the cause?.
Option A. Thermal Relief Valve.
Option B. Loose connection.
Option C. Breathing mask.
Correct Answer is. Loose connection.
Explanation. No TRV on O2 system. Breathing mask will only leak if system is turned on.
Question Number. 7. As the cabin altitude reaches 3042 metres.
Option A. the 02 masks deploy automatically and the crew activates the system from the emergency panel.
Option B. the 02 masks deploy automatically and hang half way extended.
Option C. the 02 masks deploy automatically and the crew must activate the system from the cockpit.
Correct Answer is. the 02 masks deploy automatically and hang half way extended.
Explanation.


Question Number. 8. Oxygen cylinders are normally fitted with.
Option A. pressure and quantity gauges.
Option B. oxygen purity gauge.
Option C. temperature gauge.
Correct Answer is. pressure and quantity gauges.
Explanation. CAAIPs Leaflet 5-9 p9 para 4.9.

Question Number. 9. A demand regulator in a portable oxygen bottle opens.
Option A. all the time.
Option B. when breathing.
Option C. when 100% selected.
Correct Answer is. when breathing.
Explanation. A&P Technician Airframe Textbook 14-9.

Question Number. 10. Portable oxygen bottles are fitted with.
Option A. a demand regulator.
Option B. an overpressure indicator.
Option C. an over temperature indicator.
Correct Answer is. a demand regulator.
Explanation. NIL.