Continuous loop fire detector systems operate on the principle that an increase in temperature produces ?
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Generally when the fire handle of the engine fire extinguishing system on an aircraft is pulled the effects are 1 close the engine fuel valve2 opening of the bleed air valves and HP valves on the ?
On a multi engined aircraft a fire detection system includes ?
On an aircraft provided with resistance and capacitance variation type fire detection loops a fire alarm initiated a temperature increase detected At any isolated point of loops or else generally on all loops, only at an isolated point of loops, only in a uniform way along loops, on at least one loop. 
Smoke detectors fitted on transport aircraft are of following type Optical or ionization, chemical, electrical, magnetic. 
The bimetal strip detectors of an engine fire detection system 1 are arranged in series 2 are arranged in parallel 3 open during a fire 4 close during a fire the combination containing all of correct statements For an engine, bimetal strip detectors are arranged in parallel close during a fire. the reason this, its because engine fire detection systems don't need to be operating 100% of time (eg when aircraft parked the night). watch this video >jaqmgkxk2q8 the system functioning only when aircraft 'alive'. when they are arranged in series, system must be energized all time, since it opens during a fire. it means that in case of an electrical failure (or in case that you forget to switch on alternators after having start engine), when you switch off batterie, alarm triggered. 
When a bimetallic strip used as a switch in a fire detection loop a fire alarm triggered after a delay the purpose of this delay to Avoid false alarms in case of vibrations, allow temperatures to equalise, delay triggering of fire extinguishers increase their efficiency, wait the triggering of second fire detection loop in order to confirm fire. Question Oxygen Systems 36 Answer 8
An engine fire indicated a n Warning an aural alert, bell, warning only, aural alert only. Question Oxygen Systems 36 Answer 9
A continuous loop detector system a Overheat detection system, smoke detection system, carbon dioxide warning system, fire fighting system. Question Oxygen Systems 36 Answer 10
At reference the smoke detection in aircraft cargo compartments carried out four sensors c1 c2 c3 and c4 they are associated with logic circuit as described in annex the repeating bell activated when 945 The cc2 sensors detect smoke, cc3 sensors detect smoke, only one sensor detects smoke, c2 c4 sensors detect smoke. Notice, c3 c4 will also trigger alarm. Question Oxygen Systems 36 Answer 11
A gaseous fire loop system tested Heating up sensor, checking continuity of system, checking wiring harness faults but not sensor, checking sensor with external pressurised gas. Question Oxygen Systems 36 Answer 12
Power plant fire extinguishers are operated An electrically fired cartridge rupturing a seal in head of bottle, manual remote control opening a discharge valve, an electrically heated capsule rupturing a seal in pipeline at engine, a mechanical link withdrawing a safety pin allowing a spring operated plunger to rupture bottle seal. Boeing 737 computer based training (cbt) pulling fire handle arms associated squib of each fire bottle. once fire handle has been pulled, fire extinguisher bottle can be discharged rotating fire handle in either direction. this will discharge associated fire bottle release contents of selected bottle into selected ducting. for example, rotating fire handle to left discharges left bottle. 28 volts dc from hot battery bus required to fire bottle. Question Oxygen Systems 36 Answer 13
A fire detection system includes A warning light each engine a single alarm bell common to all engines, a single warning light but a separate alarm bell each engine, a single warning light a single alarm bell, both a warning light an alarm bell unique to each engine. Question Oxygen Systems 36 Answer 14
The correct statement about rain protection cockpit windshields that Rain repellent should never be sprayed onto windshield unless rainfall very heavy, wipers are sufficient under heavy rain conditions, electric de icing system cockpit windows also suitable rain protection, alcohol de icing system cockpit windows also suitable rain protection. Question Oxygen Systems 36 Answer 15
Fire precautions to be observed before refuelling are All bonding connections to earth terminal between ground equipment the aircraft should be made before filler caps are removed, ground power units (gpu) are not to be operated, passengers may be boarded (traversing refuelling zone) providing suitable fire extinguishers are readily available, aircraft must be more thanmetres from radar or hf radio equipment under test. The fuel caps should not be removed until aircraft has been correctly earthed/bonded. Question Oxygen Systems 36 Answer 16
Overheat detection systems in a transport aircraft are installed in Wheel wells, wheels, cabin, fuel tanks. You will find smoke detectors in cargo bays. there are no smoke detectors in wheel wells, wheel wells doors will not 'sea well, smoke quickly sucked out, so smoke detectors would be ineffective. Question Oxygen Systems 36 Answer 17
In a pressurized transport aircraft protective breathing equipment Protects members of crew against fumes noxious gases, protects all occupants against effects of accidental depressurization, protects members of crew against effects of accidental depressurization, gives medical assistance to certain passengers with respiratory disorders. Question Oxygen Systems 36 Answer 18
When quick donning masks are in use pilot Able to radiotelephone, only able to receive, only able to transmit, not able to do any radio communication. Question Oxygen Systems 36 Answer 19
What breathed in when using a passenger oxygen mask Cabin air oxygen,% oxygen, cabin air oxygen or% oxygen, a mixture of oxygen freon gas. An oxygen mask consists of a yellow, soft, silicone facial cup with white elastic bands securing mask to passenger's face chemical oxygen generators the most common system. they use sodium chlorate iron filings, the supply lasts about 15 minutes. the flow can not be modulated it a continuous flow. at 32000 ft, even if it's a rapid decompression, cabin pressure remains a little bit higher than outside pressure, do not forget that pilots have to immediatly start a descent. Question Oxygen Systems 36 Answer 20
The purpose of regulator of a flight deck oxygen system to 1 increase pressure in bottles2 supply 100% oxygen3 supply diluted oxygen4 supply oxygen on demand5 supply oxygen at emergency/positive pressure6 trigger cabin altitude warningthe combination regrouping all correct statements 2, 3, 4 5, 3, 4, 5 6,, 2, 3 4,, 3, 4 6. Question Oxygen Systems 36 Answer 21
A diluter demand oxygen regulator selected to '100%' Delivers oxygen flow when inhaling, delivers oxygen flow only above fl , only recommended use with smoke in cockpit, mixes air oxygen in a passenger oxygen mask. Question Oxygen Systems 36 Answer 22
In jet transport aircraft breathing oxygen the cockpit usually stored in following state Gaseous, liquid, chemical, chemical or gaseous. Question Oxygen Systems 36 Answer 23
In what state the breathing oxygen the cockpit of jet transport aeroplanes stored Gaseous, a gaseous or chemical compound, chemical compound, liquid. Question Oxygen Systems 36 Answer 24
If maximum operating pressure of oxygen system exceeded Oxygen discharged overboard via a safety plug, oxygen becomes unusable the passengers, passenger oxygen masks will drop down, oxygen bottles close automatically. Question Oxygen Systems 36 Answer 25
A pressurized aircraft operated at fl 300 it undergoes a rapid decompression so that pressure in cabin goes quickly down to outside pressure value what happens concerning oxygen system The oxygen masks are automatically presented to cabin crew members passengers, oxygen masks are automatically presented to flight crew members, if automatic mask presentation has been activated, oxygen will flow within first 3 minutes, manual override of automatic presentation of passenger oxygen masks is, generally speaking, not possible. Question Oxygen Systems 36 Answer 26
A substance which may never be used in vicinity or on parts of an oxygen installation Grease, water, halon, nitrogen. Oil or grease traces may never be near or on parts of an oxygen installation as there a risk of explosion when used with oxygen under pressure. heat pressure are just two means of producing same effect i.e. jamming molecules together with enough force to trigger a chemical reaction. so putting oxygen under pressure in contact with a flammable substance the same as heating it. in pure oxygen environment it take surprisingly little pressure to trigger ignition. Question Oxygen Systems 36 Answer 27
The type of a aircraft oxygen system intended use passengers mostly A continuous flow system, an air recycle system, portable equipment only, a pressure demand system. Most commercial aircraft are pressurized at a maximum cabin altitude of 8000 feet, where it possible to breathe normally without an oxygen mask. if cabin pressurization level reaches equivalent of 14000 feet or higher on exterior, or a decompression occurs above that flying level hypoxia possible, compartments containing oxygen masks will open automatically, either above or in front of passenger crew seats, the oxygen masks will drop down in front of passenger. an oxygen mask consists of a yellow, soft, silicone facial cup with white elastic bands securing mask to passenger's face chemical oxygen generators the most common system. they use sodium chlorate iron filings, the supply lasts about 15 minutes. the flow can not be modulated it a continuous flow. Question Oxygen Systems 36 Answer 28
The demand valve of a diluter demand type oxygen regulator in normal mode operates when User breathes in, user requires percent oxygen, diluter control in normal position, pressure in oxygen reservoir more than 5 psi. Question Oxygen Systems 36 Answer 29
Modern pressurized transport aeroplanes are equipped with Two independent oxygen systems, one supplying cockpit, other cabin, only one oxygen system supplying whole aeroplane, two oxygen systems both supplying cockpit the cabin, only portable oxygen bottles. Question Oxygen Systems 36 Answer 30
When selected to normal oxygen/air ratio of mixture supplied the cockpit oxygen system regulator Increases when altitude increases, decreases when altitude increases, constant whatever altitude,%. Question Oxygen Systems 36 Answer 31
When a cabin oxygen mask pulled downwards passenger breathes A mixture of oxygen cabin air, pure oxygen under pressure, pure oxygen at ambient pressure, cabin air under pressure. Question Oxygen Systems 36 Answer 32
Chemical oxygen generators are used to furnish oxygen to 1 cockpit2 cabin3 toilets4 smoke hoodthe combination that regroups all of correct statements Chemical oxygen generators are used to furnish oxygen to cabin toilets, the passengers cabin crew via oxygen mask (yellow, soft, silicone facial cup with white elastic bands securing mask to passenger's face) for smoke hood. chemical oxygen generators advantages are reduced weight volume, easy storage maintenance, no risk of explosion no maintenance. Question Oxygen Systems 36 Answer 33
The chemical oxygen generator supplies oxygen about 5 minutes, 3minutes, 2 hours, 5 minutes. Most commercial aircraft are pressurized at a maximum cabin altitude of 8000 feet, where it possible to breathe normally without an oxygen mask. if cabin pressurization level reaches equivalent of 14000 feet or higher on exterior, or a decompression occurs above that flying level hypoxia possible, compartments containing oxygen masks will open automatically, either above or in front of passenger crew seats, the oxygen masks will drop down in front of passenger. an oxygen mask consists of a yellow, soft, silicone facial cup with white elastic bands securing mask to passenger's face chemical oxygen generators the most common system. they use sodium chlorate iron filings, the supply lasts about 15 minutes. the flow can not be modulated it a continuous flow. Question Oxygen Systems 36 Answer 34
The advantages of a gaseous oxygen source the passenger cabin are 1 a greater autonomy2 no risk of explosion3 reversible functioning4 easy storage and maintenance5 possibility to regulate flowthe combination regrouping all correct statements , 3 5,, 2, 3, 4 5, 2, 4 5, 2, 3 4. in large aircraft, chemical oxygen generators furnsih oxygen to cabin only. they use sodium chlorate iron filings, the supply last about 15 minutes. storage maintenance are easy, they are no risk of explosion but you can not regulate or stop flow. in small aircraft, oxygen normally carried in a gaseous state, pressurised in cylinders to 1800 psi. autonomy greater, flow can be modulated stopped. the storage volume depends on size of bottle there some maintenance. explosion risk not avoided. Question Oxygen Systems 36 Answer 35
The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as These substances catch fire spontaneously in presence of oxygen under? pressure, these substances mixed with oxygen could catch fire in presence of a spark, these substances could plug oxygen masks filters, oxygen system would be contaminated. Question Oxygen Systems 36 Answer 36
The opening of doors giving access to oxygen masks the passengers 1 pneumatic the gaseous oxygen system2 electrical the chemical oxygen system3 pneumatic the chemical oxygen system4 electrical the gaseous oxygen systemthe combination regrouping all correct statements , 2,, 3, 2, 4, 2, 3. Question Oxygen Systems 36 Answer 37
A passenger emergency mask a A continuous flow mask cannot be used if there smoke in cabin, mask with flow on request cannot be used if there smoke in cabin, continuous flow mask can be used if there smoke in cabin, mask with flow on request can be used if there smoke. Most commercial aircraft are pressurized at a maximum cabin altitude of 8000 feet, where it possible to breathe normally without an oxygen mask. if cabin pressurization level reaches equivalent of 14000 feet or higher on exterior, or a decompression occurs above that flying level hypoxia possible, compartments containing oxygen masks will open automatically, either above or in front of passenger crew seats, the oxygen masks will drop down in front of passenger. an oxygen mask consists of a yellow, soft, silicone facial cup with white elastic bands securing mask to passenger's face chemical oxygen generators the most common system. they use sodium chlorate iron filings, the supply lasts about 15 minutes. the flow can not be modulated it a continuous flow. otherwise, when chemical generators actived, passengers breathes a mixture of oxygen cabin air. note this question intended pilots flight crews, inviting them in case of smoke in cabin, to prefer a portable equipment instead of a passenger mask. Question Oxygen Systems 36 Answer 38
When oxygen system of a large aeroplane used With setting on 'norma, cockpit crew supplied with a mixture of oxygen cabin air, same source of supply used the cockpit crew passengers, same source of supply used the cockpit crew cabin crew, with setting on 'norma, passengers are supplied with a mixture of oxygen cabin air. Question Oxygen Systems 36 Answer 39
An oxygen regulator has 3 controls a power lever on/off an 'o2' lever normal/100% an emergency lever on/offamong following statements correct proposition The power lever on on, and, 'o2' lever on normal allows oxygen to enter regulator enables breathing of a mixture of air/oxygen according to altitude, with emergency lever on off, in an emergency situation, one cannot use oxygen mask to breathe, 'o2' lever on on enables breathing of over pressure oxygen at a constant flow rate, emergency lever on on enables breathing of pure oxygen at ambient pressure. Pilot oxygen mask an on demand type mask. Question Oxygen Systems 36 Answer 40
In case of smoke in cockpit crew oxygen regulator must be set to Emergency, normal,%, on demand.
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