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FREE AND STUDY GAMES ABOUT 2208-OXYGEN TEST
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -52 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: In a high-pressure oxygen system, if the pressure reducer fails, what prevents high-pressure oxygen from entering the system downstream?
Answer:
Pressure relief valve.
Question 2: Oxygen used in aircraft systems is what?
Answer:
is at least 99.5 percent pure and is practically water free.Question 3: What test is used to determine the serviceability of an oxygen cylinder?
Answer:
Pressure test with water.Question 4: To be eligible for recharging, a DOT 3HT oxygen cylinder must have been hydrostatically tested every three years and be retired from service after?
Answer:
24 years or 4,380 filling cycles.
Question 5: High psi cylinder psi?
Answer:
1850 psi or (1800-2000) psi Question 6: The purpose of the airflow metering aneroid assembly found in oxygen diluter demand regulators is to?
Answer:
regulate airflow in relation to cabin altitude when in diluter demand position.
Question 7: System in un-psi'd aircraft?
Answer:
continuous flow and pressure demand types Question 8: For use in pressurized aircraft, which is generally the least complicated and requires the least maintenance?
Answer:
Chemical oxygen generator systems.Question 9: Before a high-pressure oxygen cylinder is serviced, it must be the correct type and have been?
Answer:
hydrostatically tested within the proper time interval.Question 10: How should you determine the amount of oxygen in a portable, high-pressure cylinder?
Answer:
Read the pressure gauge mounted on the cylinder.Question 11: When an aircraft's oxygen system has developed a leak, the lines and fittings should be?
Answer:
bubble tested with a special soap solution manufactured specifically for this purpose.
Question 12: Pressure test with water is called?
Answer:
Test to verify serviceability of 02 cylinder (Hydro static test)
Question 13: A contaminated oxygen system is normally purged with?
Answer:
oxygen.
Question 14: Portable 02 system used for?
Answer:
Short and above 10K feet Question 15: High-pressure cylinders containing oxygen for aviation use can be identified by their?
Answer:
green color and the words AVIATOR'S BREATHING OXYGEN stenciled in 1-inch white letters.Question 16: What is used in some oxygen systems to change high cylinder pressure to low system pressure?
Answer:
Pressure reducer valve.Question 17: Which oxygen system employs a regulator that operates only when the user inhales?
Answer:
Demand-flow system.Question 18: On transport category aircraft what might be an indication of an over pressure event of the aircraft oxygen system?
Answer:
The green thermal expansion disk missing.
Question 19: How often should standard weight high-pressure oxygen cylinders be
hydrostatically tested?
Answer:
Every 5 years.
Question 20: Lowest psi in cylinder before servicing?
Answer:
50 psi
Question 21: the major O2 system contaminate?
Answer:
moisture
Question 22: Controls the amount of 02 flow in a continuous flow mask?
Answer:
Calibrated orifice
Question 23: What is Stenciled on aircraft 02 bottle?
Answer:
"Aviators Breathing Oxygen" in white 1 inch letters Question 24: In a gaseous oxygen system, which of the following are vented to blow out plugs in the fuselage skin?
Answer:
Pressure relief valves.Question 25: In the diluter demand oxygen regulator, when does the demand valve operate?
Answer:
When the user breathes.
Question 26: Vented to the blowout plug?
Answer:
Pressure relief valve
Question 27: Tape used to aid in sealing and lubricating threads?
Answer:
Teflon