Test
Sistemas 8
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Preguntas del test (154)
1On large aircraft, bogie type undercarriages are used to.
- Aspread the weight over a large area.
- Babsorb increased landing shock.
- Cprevent skidding.
2To position the bogie beam at a suitable angle for retraction and landing, a.
- Acastoring damper is used.
- Bsnubber is used.
- Chop damper is used
3On large aircraft, braked wheel assemblies are normally inflated with.
- Anitrogen.
- Ban argon and CO2 mixture.
- Cnitrogen and not more than 5% of air.
4Brake deboosters.
- Aincrease the hydraulic pressure entering the brakes.
- Breduce the hydraulic pressure entering the brakes.
- Cassist the operation of the anti-skid unit
5 A modulator is fitted in conjunction with.
- Abrake control valves.
- Bnon-return valve.
- Canti-skid units.
6In the case of pressurized aircraft, the nose-wheel bay.
- Ais pressurized to a value higher than ambient but less than cabin pressure.
- Bis subject to cabin pressure.
- Cis not pressurized
7An undercarriage that has the axle mounted directly onto the shock absorber is of which type.
- AArticulated.
- BHydro Mechanical.
- CDirect Acting
8The minimum aquaplaning ground speed is.
- A9.6 times the root square of the tyre pressure in psi.
- B8.6 times the root square of the tyre pressure in psi.
- C8.6 times the tyre pressure in bar.
9Tubed tyres are stored.
- Ahorizontally, up to 4 in total staggering them to prevent distortion of beads.
- Bhorizontally, up to 4 in total in a rack with supporting tubes so each tyre is supported at 2 points.
- Chorizontally, up to 4 in total with the smallest at the top
10 On a main landing gear, what is positive camber?.
- ATop of wheels closer to fuselage.
- BFront of wheels closer to fuselage.
- CBottom of wheels closer to fuselage.
11 When the landing gear is locked up, the cockpit indicator shows.
- Ared light.
- Bno indication.
- Cgreen light.
12When checking the alignment of a main landing gear, check.
- Asymmetry, tracking, camber.
- Bsymmetry, tracking, twist.
- Csymmetry, tracking, splay
13Tyre creep could be caused by.
- Aoverpressure.
- Bexcessive wear.
- Cunder pressure
14When inflating a tyre and you notice ice in the valve stem.
- Aheat the valve stem gently with a blow torch.
- Bwait for ice to melt before carrying on with inflation.
- Ccarry on inflating as ice in the valve stem is no problem
15A method of helping to prevent aquaplaning is by fitting tyres which have.
- Awater dispersing treads.
- Ba plain tread.
- Ctwin contact.
16Un-mounted tubeless tyres must be stored.
- Avertically.
- Bhorizontally.
- Cin the manufactures boxes
17With a single oleo leg with a stub axle used, the torque links will.
- Akeep the wheel in track.
- Bassist the wheel to castor.
- Callow the wheel to shimmy.
18When fitting a tyre to a hub, the red spot on the tyre should be in line with.
- Amaker's serial number.
- Bthe valve assembly.
- Copposite side to the valve assembly.
19A red or yellow line on an inner tube would indicate.
- Alight spot.
- Bbalance indicator.
- Cheavy spot
20On a multi-brake unit with automatic adjusters, brake wear is checked by.
- Ausing a go-no go gauge to measure the gap between the cylinder and the thrust plate.
- Bapplication of the brakes and checking indicator pin protrusion.
- Cmeasuring the protrusion of the indicator pins with the brakes released
21With aircraft lights - which of the following is true?.
- AStarboard light green, port light red, tail light white.
- BStarboard light red, port light green, tail light Red.
- CStarboard light red, port light green, tail light White
22Emergency floor lighting system is inoperative, then.
- Athe aircraft is not allowed to fly until repaired.
- Bthe aircraft is allowed to fly in daylight conditions only.
- Cthe aircraft is allowed to fly empty to a main base
23A fluorescent tube contains.
- Aorange coatings, rare gases and mercury vapour.
- Bphosphor coatings, rare gases and mercury vapour.
- Ciodine coatings and rare gases.
24A white steady light is required.
- Aof at least 3 candelas, at the rear of the aircraft 70 degrees either side of dead astern.
- Bof at least 3 lumens, at the rear of the aircraft 110 degrees either side of dead astern.
- Cof at least 3 candelas, at the rear of the aircraft 110 degrees either side of dead astern
25How many floor path lights can you fly with unserviceable?.
- A15%.
- B25%.
- C20
26What is the arc of a landing light?.
- A 15°.
- B 11°.
- C 20°.
27The visible angle of a white tail navigation light is.
- A11°.
- B140°.
- C110°.
28Wing navigation lights must be visible through which angle?.
- A110°.
- B125°.
- C180°.
29Cockpit dome lighting is provided by the.
- Abattery bus and ground services bus.
- Bbattery bus.
- Cground services bus
30Upper and lower strobe lights are coloured.
- Agreen.
- Bred.
- Cwhite.
31Cargo bay lights on a modern aircraft are supplied by.
- AAC handling bus.
- BDC handling bus.
- Cthe battery bus
32What will happen if the Master Dim and test switch is switched to the on position?.
- ARectangular indicator lights will illuminate.
- BAll lights will illuminate.
- CDome lights will illuminate
33 Escape route lighting must not have more than.
- A20% obscured.
- B10% obscured.
- C15% obscured.
34How many emergency lights are allowed to be inoperative?.
- A25%.
- B10%.
- CNone.
35The angle of a runway turnoff light is.
- A40°.
- B60°.
- C50°.
36 Cabin fluorescent lighting circuits are supplied with.
- A28 V DC.
- B115 V AC.
- C28 V AC.
37How are passenger reading lights normally tested?.
- AEach one is switched on individually at passenger panel.
- BBy using a READ LIGHT TEST switch at any passenger panel.
- CBy using a READ LIGHT TEST switch on the cabin attendant panel
38In what position should the selector switch be for a standby and emergency lighting system during flight.
- AArmed.
- BOFF.
- CON
39The emergency lighting system must be designed so that after any single transverse vertical separation of the fuselage during crash landing the maximum amount of emergency lighting that fails is.
- A15%.
- B. 10%.
- C25%.
40A rotating beacon must have a minimum light rating of.
- A100 candelas.
- B50 candelas.
- C20 candelas.
41Service lights include.
- Arefuelling lights, engine scanning lights, logo lights.
- Bavionics bay lights, engine scanning lights, baggage compartment lights.
- Cbaggage compartment lights, avionics bay lights, refuelling lights.
42If the 'blow-back' device on a landing lamp operates, how is it reset?.
- AThe linkage must be repositioned and latched when the aircraft is on the ground.
. - BSelect full 'RETRACT'.
- CIt cannot. The unit must be replaced because of the high stress loads experienced
- AThe linkage must be repositioned and latched when the aircraft is on the ground.
43Before touching or disconnecting a strobe light head, a time period must elapse to avoid electrical shock or burning. That time period is at least.
- A2 minutes.
- B5 minutes.
- C 1 minute.
44The rear light of an aircraft must be white and, in addition, must show through an inclusive angle of.
- A110 degrees and be 5 candelas minimum.
- B110 degrees and be 40 candelas minimum.
- C140 degrees and be 3 candelas minimum
45Self-illuminating signs.
- Aare instantly seen in dark areas by persons who are not dark adapted.
- Brequire a period of daylight, or intense artificial light to operate.
- Care self powered and contain phosphor and helium gas
46When an annunciator light is selected to 'DIM', the resistor is in.
- Aparallel with the light and the transistor is not conducting.
- Bseries with the light and the transistor is not conducting.
- Cseries with the light and the transistor is conducting
47Storm lights are usually fluorescent lights that are switched on.
- Abecause lightning has less effect on fluorescent lamp units.
- Band the glare-shield lights are automatically dimmed.
- Cto reduce the effect of lightning on the pilot's sight.
48Captain and First Officer's 'Dome' lights can be dimmed.
- Aindividually - they are wired in parallel.
- Btogether - they are wired in series.
- CFirst Officer's only in emergency mode
49In the CWS system, the caution light is coloured.
- Ared.
- B. amber.
- Cgreen.
50 On a CWS, which has the highest priority?.
- AFire warning.
- BHydraulic pump failure.
- CDuct overheat
51What inert gas is used in a typical strobe light?.
- AFreon.
- BHalon.
- CXenon.
52Floor proximity lighting is a mandatory requirement and each light should be spaced.
- Aat 60 inch intervals.
- Bat 70 inch intervals.
- Cat 40 inch intervals
53Tritium Gas is used in a.
- Astrobe light.
- Blanding Light.
- Cself illuminating lights
54A strobe light is a light unit that takes form of glass tube filled with which gas and its light colour is what?.
- AXenon Gas and blue-white.
- BHelium gas and white.
- CNeon gas and blue.
55The aircraft has a partial failure of its emergency lighting system.
- Acontinue with reduced passenger load.
- Bferry flight to main base for rectification.
- Cground the aircraft.
56Navigation lights are supplied by the following circuit.
- ADual circuit.
- BSingle circuit.
- CIndividual circuits.
57Automatic no smoking sign will illuminate.
- Abelow 10,000ft and descending.
- Bwhen landing gear doors are not closed.
- Cwhen landing gear is up
58 Anoxia is due to.
- Alack of oxygen.
- Blow air pressure on the body.
- Crelease of nitrogen bubbles in the blood
59The dilutor demand regulator functions.
- Aall the time.
- Bonly when the supply valve is opened by the user.
- Cwhen the user breathes in
60To measure moisture in an oxygen system use.
- Aa glass plate.
- Blitmus paper.
- Ca hygrometer using the dew point method.
61Oxygen cylinder test dates.
- Aare painted in white on the cylinder.
- Bare variable depending on discharge.
- Cmay be stencilled on the neck of the cylinder
6202 system pressure has leaked away after charging. What is the most probable cause?.
- ASupernumerator regular.
- BTemperature compensator.
- CBreathing regulator
63If an O2 system is leaking, where would you most likely find the cause?.
- AThermal Relief Valve.
- BLoose connection.
- CBreathing mask
64 As the cabin altitude reaches 3042 metres.
- Athe 02 masks deploy automatically and the crew activates the system from the emergency panel.
- Bthe 02 masks deploy automatically and hang half way extended.
- Cthe 02 masks deploy automatically and the crew must activate the system from the cockpit
65Oxygen cylinders are normally fitted with.
- Apressure and quantity gauges.
- Boxygen purity gauge.
- Ctemperature gauge
66A demand regulator in a portable oxygen bottle opens.
- Aall the time.
- Bwhen breathing.
- Cwhen 100% selected
67Portable oxygen bottles are fitted with.
- Aa demand regulator.
- Ban overpressure indicator.
- Can over temperature indicator
68American made crew oxygen cylinders are.
- Ablack in colour with a RH thread.
- Bgreen in colour with a LH thread.
- Cgreen in colour with a RH thread
69Which connector has a left hand thread?.
- AN2.
- BFreon.
- CO2.
70What is the principle of an O2 generator?.
- ASodium chlorate and iron mixed by an electronic detonator.
- BSodium chlorate and iron using a mechanical detonator producing O2 when mixed with air.
- CSodium chloride and iron mixed by an electronic detonator.
71 What pressure are oxygen cylinders usually pressurised to?.
- A300 PSI.
- B1800 PSI.
- C3000 PSI.
72Oxygen storage cylinders, once charged should be.
- Aturned on by crew.
- Bturned off.
- Cturned on and safety wire-locked.
73A thermal compensator is used in.
- Aa fuel system.
- Ban oxygen system.
- Can hydraulic system
74When charging an oxygen bottle with gaseous oxygen, the oxygen is.
- Apassed into the bottle slowly to keep the temperature at approximately ambient.
- Bpassed into the bottle at any rate as this does not affect temperature.
- Cpassed into the bottle as quickly as possible to keep the temperature down.
75Where are the left handed threads found in an oxygen system?.
- ALine valve.
- BShut-off valve.
- CCharging connection.
76Portable O2 diluter demand valve works when.
- Athe user breathes in.
- B100% is selected.
- Cless than 500 psi is in bottle.
77A double headed oxygen pressure regulator is used for.
- Aadditional flightcrew.
- Bchanges in altitude.
- Cextra supply in case of emergency
78If an aircraft suddenly drops pressure at 14, 000 ft.
- Apassenger must get mask from overhead stowage.
- Bmasks drop automatically.
- Cattendant must drop masks
79How do oxygen cylinders show over pressure?.
- AGreen rupturing disc.
- BAudible warning.
- CRed rupturing disc
80The life of an aircraft oxygen cylinder is.
- A2 years.
- B10 years.
- C5 years.
81A discharged chemical generator is indicated by.
- Aa protruding pin.
- Ba change in colour.
- Ca broken tell-tale wire.
82A chemical oxygen generator has a supply duration of at least.
- A15 minutes.
- B30 minutes.
- C5 minutes
83The oxygen line service valve must be.
- Awire locked open.
- Bwire locked closed.
- Conly be wire locked with telltale wire.
84Oxygen equipment must be carried by aircraft capable of flying above.
- A4,000 ft.
- B10,000ft.
- C8,000ft
85The critical altitude for oxygen requirement is approximately.
- A38,000 ft.
- B25,000 ft.
- C4,000 ft.
86If oxygen is not being supplied in normal flight conditions, the cabin altitude must be.
- Aat a maximum of 12,000 ft.
- Bat or below 8,000 ft.
- Cbelow 10,000 ft.
87Pressure breathing systems must be used at altitudes.
- Aabove 40,000 ft.
- Bbelow 40,000 ft.
- Cabove 30,000 ft
88In a diluter demand oxygen system.
- Aoxygen is supplied with a continuous pressure flow.
- Beach member of the crew has a continuous oxygen supply.
- Ceach member of the crew has a regulator
89In a continuous flow oxygen system, oxygen is supplied.
- Aonly when the supply has been regulated by the pilot.
- Bon passenger inhaling into the mask.
- Cwhen the mask is plugged into the socket
90In the diluter demand oxygen system, selection of emergency on this regulator will result in.
- A100% oxygen at positive pressure.
- B100% oxygen continuous flow at positive pressure.
- C100% oxygen supply as the user inhales
91The cylinder of a portable oxygen set is made of.
- Aaluminium.
- Bstainless steel.
- Calloy steel
92Portable oxygen cylinders are normally charged to.
- A1,800 p.s.i.
- B2,000 p.s.i.
- C1,200 p.s.i.
93Rate of flow of oxygen is given in.
- Apounds/minute.
- Blitres/pounds.
- Clitres/minute
94Oxygen cylinders are removed for overhaul and tested.
- Aevery 3 years.
- Bevery 6 years.
- Cevery 4 years
95Oxygen bottle capacity varies between.
- A80 2250 litres.
- B100 3200 litres.
- C200 2250 litres
96Oxygen bottle test and working pressures can be found.
- Astamped on a metal label.
- Bstencilled on the bottle.
- Cstamped on the neck ring
97After installation, the oxygen bottle on/off valve is.
- Aleft in the 'on' position.
- Bleft in the 'off' position until required.
- Cwire locked in the 'on'.
98Dangerous pressure rise in oxygen cylinders.
- Ais relieved by a bursting disc.
- Bis relieved by a thermostat.
- Cis relieved by under pressurising the bottle
99To avoid condensation forming in an oxygen cylinder.
- Acylinder pressure is left at 300/400 p.s.i.
- B cylinder pressure is left at 100/200 p.s.i.
- Ccylinder pressure is left at 200/300 p.s.i
100 What determines the material used for oxygen pipe lines?.
- AThe whims of the aircraft designer.
- BThe length of the pipe runs.
- CThe pressure used in the system
101The direction of flow in an oxygen non return valve is indicated.
- Aby visual inspection.
- Bby colour coding.
- Cby an arrow
102Oxygen filters are made of.
- Acarbon fibres.
- Bsteel wool.
- Csintered bronze
103Satisfactory operation of the oxygen systems is indicated by.
- Aflow indicators.
- Bpressure indicators.
- Clack of Anoxia.
104If a binding thread needs attention on an oxygen system.
- ATeflon tape may be used.
- Bdistilled water may be used sparingly.
- Cno lubricant may be used whatsoever
105The international marking for a breathing oxygen pipeline is a series of.
- Adiamonds.
- Bdots.
- Crectangles.
106Cylinders containing purified oxygen for breathing are painted.
- Ablack with a white collar.
- Bblack.
- Cwhite with a black collar.
107A suitable leak detecting solution for use on oxygen systems is.
- Aleak testing solution to Spec. MIL-L-25567B.
- Bsoapy water.
- Cgrease free medical soap
108When charging an oxygen bottle with gaseous oxygen, the oxygen is.
- Apassed into the bottle as quickly as possible to keep the temperature down.
- Bpassed into the bottle slowly to keep temperature at approximately ambient.
- Cpassed into the bottle at any rate as this does not affect temperature.
109In areas closely associated with oxygen systems, particular care must be taken to avoid leaving.
- Atraces of oils or greases.
- Bacrylic based plastic materials.
- Cmagnesium particles.
110When working in the vicinity of an oxygen system.
- Athe area must be well ventilated.
- Bno electrical power must be used.
- Coil must not come into contact with the system.
111A chemical oxygen generator operates at.
- A45°C at 10 psi for 15 minutes.
- B45°F at 10 psi for 15 minutes.
- C45°K at 10 psi for 15 minutes
112When charging an oxygen bottle in situ.
- Acharge in accordance with the temperature/pressure graph.
- Bcharge slowly through a water trap.
- Cslacken off the retaining straps first
113The gauge fitted to an oxygen bottle indicates.
- Apressure.
- Btemperature.
- Cpurity
114The application of thread lubrication tape in an oxygen system should be.
- Aapplied to all except the first two threads and not more than 3 complete wraps of tape.
- Bapplied to all except the first two threads and not more than one complete wrap of tape.
- Capplied to all the threads and not more than one complete wrap of tape
115 High pressure lines in oxygen systems are made of.
- Astainless steel.
- Baluminium alloy.
- Ctitanium
116Lubricate oxygen connector threads using.
- Ahellerene.
- BTeflon tape.
- CWD40.
117How is an expended chemical oxygen generator indicated?.
- AA pressure seal would be broken.
- BBy a change in colour of heat sensitive paint.
- CThe indicator pin would be protruding.
118Oxygen purging is a process of.
- Apressure testing the system.
- B measuring the flow rate from the regulator.
- Cremoving moisture from the system
119To check an oxygen system for moisture.
- Aa sniff test is used.
- Ba hygrometer is used.
- Cpass 72 litres/min through a filter paper in a clean glass.
120When the moisture separator is purged in a pneumatic system, it dumps.
- Ajust the moisture trap.
- Bthe whole system.
- Cthe system between compressor and regulator valve.
121The pneumatic system pump is a.
- Acentrifugal type.
- Brotor vane type.
- Cpiston type
122 In a pneumatic system, the maintainer valve will be fitted in supply lines to.
- Aessential equipment.
- Ball equipment.
- Cnon-essential equipment.
123High pressure pneumatic source is a.
- Areciprocating pump.
- Bcentrifugal Compressor.
- Cbutterfly pump
124If the pneumatic water drain trap is left open for a long time it will drain.
- Abetween the compressor and the PRV.
- Bjust the moisture trap.
- Call the system
125On a high pressure pneumatic system, if the drain plug for oil and water is left open for long periods of time, the system would.
- Alose pressure from the compressor side only.
- Blose pneumatic pressure partially.
- Close all pressure
126Two compressors driven by separate engines use.
- AInterconnected to share loads.
- BNRVs to prevent compressors driving each other.
- CPRVs
127What is important about the air entering a dry air pump?.
- AIt must be filtered.
- BIt must be pressure controlled.
- CIt must be temperature controlled.
128What type of compressor is used on a pneumatic system?.
- ARotary vane type.
- BSpur gear type.
- CPositive displacement type
129Toilet flush motor is protected from overheat by.
- Athermal protection.
- Bwater cooling.
- Ccooling fan on timer switch
130What is the purpose of thermal protection on electric toilet motor?.
- APrevent motor overheating and become fire hazard.
- BPrevent toilet freezing.
- CStop motor running beyond 10 seconds if timer become unserviceable
131Waste water drain masts.
- Aare not heated.
- Bare heated using low amperage in the Air and on ground.
- Care heated using low amperage with the aircraft on ground only
132the seal of the valve is replaceable without draining the tanks.
- Athe seal of the valve is replaceable without draining the tanks.
- Bthe tank must be de-fuelled.
- Cthe seal is not replaceable, the whole drain assembly must be replaced
133Drinking water pipes are prevented from freezing by.
- Ainstallation of neoprene foam insulation.
- Bwrapping the pipes with heated tapes or ribbons.
- Cplacing the pipes adjacent to hot water piping.
134Toilets are the subject of.
- AAWN 83.
- BAWN 79.
- CAWN 80
135Toilet waste valves are.
- Anot spring loaded.
- Bspring loaded open.
- Cspring loaded closed
136The heater used on a drain mast would be a.
- Ainduction heater.
- Bhot air blower.
- Cribbon heater
137 A toilet recirculation fan is unserviceable in flight.
- AClose toilet until landing.
- BYou can use the toilet as the toxic chemical toilet.
- CIt can be overcome by thermal compensating device
138Primary Radar is.
- Afor ground use only.
- Breflected signal from aircraft's own radar.
- Cinterrogation of aircraft's transponder.
139A battery in situ on an aircraft charges at a fairly constant rate because generator voltage remains constant.
- Amay charge slowly if initial battery voltage is low.
- Bmay charge at an excessive rate if initial battery voltage is low.
140To parallel an alternating current generator with one or more other generators, phase A must be.
- Ain-phase with other generators and CBA only.
- B90 degrees out-of-phase and ABC.
- Cin-phase with other generators and ABC
141On an unparalleled twin generator alternating current system, the phase of the second generator to be brought on line.
- Amust be in-phase prior to paralleling.
- Bis important if the first generator fails.
- Cis unimportant
142When an autopilot is Fail Passive,.
- Athe aircraft reverts to fail operational autopilot.
- Bthe pilot must resume control and land the aircraft.
- Cthe autoland can continue.
143On the direct current short shunt generator circuit shown, output voltage at the load is 200V. What is the voltage across the shunt winding?.
- A200V.
- B206V.
- C212V
144On a direct current circuit, current limiters.
- Aprevent excessive current to the field circuit.
- Ballow excessive current to the load circuit.
- Cprevent excessive current to the load circuit
145On a direct current twin generator system, the paralleling relay contacts close when the oncoming generators voltage is.
- Aabove bus voltage.
- Bbelow bus voltage.
- Cthe same as bus voltage
146On an aircraft's navigation displays, distance measuring equipment gives.
- Aheight and range to beacon.
- Bground range to beacon.
- Cslant range to beacon
147On a modern aircraft flight instrument display system, Radio deviation is shown on.
- AEADI.
- BEHSI & EADI.
- CEHSI.
148On a flight management system, the database is updated every.
- A2 Months.
- B3 Months.
- C1 Month.
149The decision height light will illuminate when.
- Athe decision height is selected.
- Bthe aircraft's indicated altitude is above decision height.
- Cthe aircraft's indicated altitude is below decision height
150In a Central Air Data Computer (CADC) system, Mach information is derived from.
- Aindicated airspeed and altitude.
- Bpitot and static pressures.
- Cindicated air speed and total air temperature
151In a Central Air Data Computer (ADC), the rate of climb of an aircraft is produced in the.
- AIndicated Airspeed Module.
- BMach Module.
- CAltitude Module
152In a Central Air Data Computer, altitude is produced from.
- Astatic air pressure.
- Bpitot air pressure.
- Cpitot air pressure and total air temperature.
153In a Central Air Data Computer (ADC), Indicated Air Speed (IAS) is produced from.
- Apitot pressure only.
- Bpitot and static air pressure.
- Cstatic pressure only.
154In a Central Air Data Computer (CADC) system, True Air Speed (TAS) is derived from the Mach information and.
- AStatic Air Pressure.
- BPitot Air Pressure.
- CTotal Air Temperature
Información
- Descripción
- Test sobre Sistemas 8, creado por oriol arrufat el 08/12/2018.
- Autor
- oriol arrufat
- Idioma
- English
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