TECHGEN-SB-SAFETY EQUIPMENT-TOTAL-TEST-LEARN

1. The purpose of the “Pressure Relief Valve” in a high pressure oxygen system is to:




2. When a continuous loop wire type fire detection system is tested:





3. In case of smoke in the cockpit, the crew oxygen regulator must be set to:





4. A diluter demand oxygen regulator:





5. Consider the flight deck oxygen supply system. The purpose of the oxygen regulator (as a function of demand and altitude) is to:
1. decrease oxygen pressure from 1800 PSI (in the bottles) down to about 50-75 PSI(low pressure)
2. supply pure oxygen
3. supply diluted oxygen
4. supply oxygen at normal pressure
5. supply oxygen at emergency/positive pressure
6. trigger the continuous cabin altitude warning at 10000 ft cabin altitude
The combination regrouping all the correct statements is:





6. The most common extinguishing agent used in gas turbine engine fire protection system is:





7. When a part of a continuous loop fire detection system is heated:
1. its resistance decreases.
2. its resistance increases.
3. the leakage current increases.
4. the leakage current decreases
The combination regrouping all the correct statements is:





8. In a pressurized transport aircraft, the protective breathing equipment:





9. When quick donning masks are in use, the pilot is:





10. A fault protection circuit in a fire detection system will:





11. In a fire detection system with single-loop continuous components (with no fault protection), if the line is accidentally grounded:





12. What is breathed in when using a passenger oxygen mask?





13. Regarding fire detection, Ion detectors are used to detect:





14. In jet transport aircraft, breathing oxygen for the cockpit is stored in the following state:





15. A gaseous sensor/responder tube fire sensor is tested by





16. Smoke detector systems are installed in the





17. The indication of the fire detection systems is performed by a:





18. In what state is the breathing oxygen for the cockpit of jet transport aeroplanes stored:





19. If the maximum operating pressure of the oxygen system is exceeded the:





20. The purpose of a diluter demand regulator in an oxygen system is to:





21. The built-in passenger oxygen system be activated by:





22. The passenger oxygen mask will supply:





23. Continuous loop fire detector systems operate on the principle that an increase in temperature produces:





24. In the cabin, when the oxygen mask is pulled downwards, the passenger breathes:





25. The chemical oxygen generator supplies oxygen for about:





26. A smoke mask is a:





27. The contents of an oxygen bottle can be ensure by the:
1 - weight.
2 - pressure.
3 - level.
4 - volume.
The combination containing all of the correct statements is:





28. On a 13653 a fire detection system includes:





29. A pressurized aeroplane is operated at FL 300. It undergoes a rapid decompression so that the pressure in the cabin goes quickly down to the outside pressure value. What happens concerning the oxygen system ?





30. A substance which may never be used in the vicinity or on parts of an oxygen installation is:





31. The crash/fire axe is part of the safety equipment fitted to passenger aircraft. Its function is to:





32. Regarding the chemical oxygen generator, to enable the oxygen to flow, the passenger must:





33. A manual inflation handle:





34. The type of a aircraft oxygen system intended for use by passengers, is mostly:





35. A continuous loop detector system is a:





36. The demand valve of a diluter-demand type oxygen regulator in normal mode, operates when the:





37. Generally, when the fire handle of the fire-extinguishing system on an aircraft is pulled, the effects are:
1. closing of the LP valve of the fuel system
2. opening of the air bleed valves and HP valves on the engine concerned
3. setting of extinguishing systems
4. closing of the isolation and de-icing valves
5. isolation of the associated electric current generators
6. immediate discharge of extinguishing agent
The combination regrouping all the correct statements is:





38. On an aircraft provided with resistance and capacitance variation type fire detection loops, a fire alarm is initiated by a temperature increase detected:





39. Smoke detectors fitted on transport aircraft are of the following type:





40. In the cockpit of a transport airplane, at least one manual fire-extinguisher must be conveniently located containing:





41. Oxygen systems on pressurized airplanes are used to provide oxygen:
1. In an emergency in the case of depressurization.
2. In an emergency in the case of the indisposition of a passenger.
3. During a normal flight.
4. In an emergency in case of smoke or toxic gases in the cockpit.
The combination regrouping all the correct statements is:





42. Modern pressurized transport airplanes are equipped with:





43. When a bimetallic strip is used as a switch in a fire detection loop, a fire alarm is triggered after a delay. The purpose of this delay is to:





44. Chemical oxygen generators are used to furnish oxygen to the:





45. The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:





46. The advantages of a chemical oxygen source for the passenger cabin are:
1. reduced weight and volume,
2. easy storage and maintenance,
3. greater autonomy,
4. no risk of explosion,
5. reversible functioning,
6. no maintenance.
The combination regrouping all the correct statements is:





47. The disadvantages of a chemical oxygen source for the passenger cabin are:
1. a flow which cannot be modulated,
2. a heavy and bulky system,
3. non reversible functioning,
4. risks of explosion,
5. poor autonomy.
The combination regrouping all the correct statements is:





48. The advantages of a gaseous oxygen source for the passenger cabin are:
1. a greater autonomy,
2. no risk of explosion,
3. reversible functioning,
4. easy storage and maintenance,
5. possibility to regulate flow.
The combination regrouping all the correct statements is:





49. Evacuation slide inflation is ensured by:





50. When the door operation of a transport airplane equipped with evacuation slides in the armed position is opened from the outside, the slide:





51. The opening of the doors giving access to the oxygen masks for the passengers is:
1. pneumatic for the gaseous oxygen system,
2. electrical for the chemical oxygen system,
3. pneumatic for the chemical oxygen system,
4. electrical for the gaseous oxygen system.
The combination regrouping all the correct statements is:





52. A passenger oxygen mask is:





53. Regarding the oxygen systems of a JAR 25 aeroplane:





54. An oxygen regulator has 3 controls:-
a power lever: ON/OFF
-an “O2” lever: NORMAL/100%
-an emergency lever: ON/OFF
Among the following statements, the correct proposition is:





55. The main feature of BCF fire extinguishers is that they:





56. The installation and use of on-board oxygen generators is such that:
1 - the smoking ban is imperative when used
2 - in case of accidental drop of the “continuous flow” passenger masks, no crew action is required
3 - no trace of grease must be found in the system assembly
4 - the system’s filling adaptors must be greased with non-freezing or graphite grease
The combination which regroups all of the correct statements is:





57. The purpose of the proximity of the emergency evacuation path marking system is to:





58. When selected to normal, the oxygen/air ratio of the mixture supplied by the cockpit oxygen system regulator:




59. The smoke detection in the aircraft cargo compartments is carried out by four sensors: C1, C2, C3 and C4. They are associated with the logic circuit as described in the annex. The repeating bell is activated when:




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