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INS > AE ýmislegt > Flashcards

AE ýmislegt Flashcards

1
Q

Hverjir eru ókostir og kostir CRT displays og svo LCD?

A

CRT: massive generation of heat, active cooling system required.
LCD: The pilot cannot see the display from all viewing angles. Notar samt minni orku en CRT.

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2
Q

Miðað við AMC 25.11, hvernig eru litir notaðir í electronic display systems?
Red? Green? Amber/yellow

A

Red: Flight envelope and system limits
Green: Autopilot or flight director engaged modes.
Amber/yellow: caution

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3
Q

Hvað stendur ADI fyrir?

A

Attitude Director Indicator

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4
Q

EAS is obtained from CAS by correcting for what errors?

A

Density error

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5
Q

Compass heading can be derived from the magnetic heading by reference to a

a) deviation correction curve
b) compass swinging curve

A

b) compass swinging curve

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6
Q

Er VOR notað sem sensor til að reikna út aircraft position í FMS?

A

Já

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7
Q

Hvaða frequency notar modern low radio altimeter?

A

SHF

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8
Q

“Importance of line resistance on the information value”, er þetta ókostur við single-phase AC generator?

A

Já. Single phase ER viðkvæmur fyrir line resistance en 3-phase er ekki viðkvæmur fyrir því.

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9
Q

Ertu með spurious signals vandamál í sing-phase AC generator tachometer?

A

Nei. Einnig eru svona AC kerfi laus við airborne electrical supply.

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10
Q

A synchroscope is used on aircraft to

a) set several engines to the same speed
b) reduce the vibration of each engine

A

a) set several engines to the same speed

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11
Q

Inclination of the earth’s magnetic field at the north magnetic pole is

a) 0°
b) 90°

A

b) 90°

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12
Q

Er TAS = EAS við ISA aðstæður? En hvað með ef þú ert yfir 200 kts?

A

Já, hraði skiptir engu máli, veldu einfalda svarið.

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13
Q

Command bars í FD birtast á a) ADI eða b) HSI?

A

ADI

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14
Q

Hvað gerist fyrir glideslope signal við 50 fts?

A

disconnects

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15
Q

Hver er munurinn á FMS og svo IRS/INS varðandi error tolerance í inputs?

A

FMS: Þolir enga errora

INS/IRS: Þolir error í longitude (10°) en ekkert í latitude.

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16
Q

Concerning the FMS, entering a cost index of zero results in

a) minimum trip fuel
b) maximum trip fuel

A

a) minimum trip fuel

Cost index 0 þýðir væntanlega að fastur kostnaður er lágur svo þú getur bara krúsað varlega, eyðir litlu og tekur þá minimum trip fuel.

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17
Q

Altimeter consists of one or several aneroid capsules located in a sealed casing. The pressure in the aneroid capsule corresponds to a _____.and in the casing corresponds to ____.

A

vacuum, static pressure.

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18
Q

Hvað mælir Bourdon tubr?

A

hydraulic pressure.

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19
Q

Í TCAS, þá þarf intruder að vera að ferðast á ___ til að þú sjáir viðvörun á skjánum.

A

Held 500 ft/min

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20
Q

Single-phase electrical tachometer, er þetta simple design?

A

Já

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21
Q

Byggir TCAS á transponderum?

A

já

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22
Q

Millivoltmeter; verður cold junction að vera maintained constant?

A

já

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23
Q

A laser gyro can measure:

a) A rotation motion
b) An acceleration and a rotation motion.

A

a) A rotation motion

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24
Q

Ef þú ert með auto-throttle, getur þú sett autothrust manually?

a) yes, if the auto throttle is disarmed
b) yes, by moving the throttle levers

A

a) yes, if the auto throttle is disarmed

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25
Q

Í manual ILS final approach, getur þú verið með autothrottle í SPEED- eða N1 mode eða hvorugt?

A 
Speed mode (holding of IAS).
Döhh, auðvitað ertu að pæla í hraða í lendingu, ekki engine hraða, drulluasama um það.
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26
Q

Af hverju þarftu TAS sem input í ADC?

A

Til að geta reiknað wind velocity

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27
Q

What reversion law is the autothrottle subject to? min og max ___.

A

speed

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28
Q

TCAS II operates on the ___ radar principle

A

secondary

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29
Q

Is TCAS II operation dependant of ground-based air air traffic control?

A

Nei

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30
Q

Is TCAS II operation dependant of ground-based air air traffic control?

A

Nei

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31
Q

True or false; If a system failure occurs on the ECAM system, the ECAM system displays the relevant diagram on the system display.

A

True

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32
Q

During a deceleration phase at constant attitude, the control system of an air driven artificial horizon results in the horizon bar indicating a:

a) nose up attitude
b) nose down attitude

A

b) nose down attitude

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33
Q

The low-altitude radio altimeters used in precision approaches are of the ___ type.

A

frequency modulation

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34
Q

The low-altitude radio altimeters used in precision approaches have a precision of ____ ft between 0 and 500 ft.

A

+/- 2

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35
Q

Hvað eru low-altitude radio altimeters að drífa langt upp?

A

2500 ft

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36
Q

Hvaða frequency range virka low altitude radio altimeters á ?

A

4200 MHz - 4400 MHz.

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37
Q

What indications are received of an ECAM failure?

a) Lights only
b) Aural signal only

A

a) Lights only

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38
Q

The principle of a laser gyro is based on ____ ____ between two laser beams rotating in opposite direction.

A

frequency difference.

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39
Q

Geturðu sett autopilot á þegar það er

a) controlled-turn knob is not set to neutral position?
b) Synchronization fault in pitch channel?
c) fault in attitude reference unit?
d) fault in electrical power supply?

A

Allt af þessu verður að vera í lagi.

Auto-pilot er greinilega mjög viðkvæmur að hafa allt í standi áður en hann fer í gang.

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40
Q

Hvaða litur er á current active waypoint á ND?

A

bleikur

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41
Q

In a inertial navigation system the integration process makes a ___ multiplication.

A

time

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42
Q

A two axis autopilot system normally provides control about the aircraft’s

a) Pitch and roll axis
b) Pitch and yaw axis

A

a) Pitch and roll axis

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43
Q

ACARS; eru bara on-board units eða líka ground units?

A

Bæði on-board og ground units.

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44
Q

A radio altimeter employing a continuous wave signal would a a ____ for transmission and ___ for reception

A

in both cases, a “directional aerial”

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45
Q

A low altitude radio altimeter uses the following wavelengths:

a) Centimetric
b) Decimetric

A

a) Centimetric

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46
Q

Compared with a conventional gyro, a laser gyro:

a) has a longer life cycle
b) Consumes a lot of power

A

a) has a longer life cycle

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47
Q

Ef þú vilt athuga hvaða autothrottle mode er í gangi þá tékkar þú á..

A

FMA - Flight Mode Annunciator.

Þetta er í PFD.

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48
Q

Þarf thermocouple power?

A

Nei

49
Q

Ef þú færð BATT eða DC POWER merki hjá INS eða IRS, hvað þýðir það?

A

There is a problem with AC supply to the INS/IRS, and it is now powered by the battery.

50
Q

Er autopilot með a) comparators og b) amplifiers

A

já bæði

51
Q

Í FWS (flight warning system), hvernig eru advisory messages á litin?

A

Mega vera í hvaða lit sem er en helst ekki rauðum.

52
Q

Ef þú notar “alternate static”, hvað gerist fyrir altimeter?

A

overreads (mundi bara að það verður pressure drop við að nota annan = les of hátt).

53
Q

Er tölvan í autopilot að nota inputs frá mode annunciator panel?

A

Nei, af hverju ætti hún að vera að nota input frá einhverju panel?

54
Q

Pressure er force per unit

a) area b) volume

A

area

55
Q

Í autopilot hvað preventar

a) snatching on engagement
b) snatching on disengagement

A

a) snatching on engagement = autosync

b) snatching on disengagement = autotrim

56
Q

Standard temperature for aerodynamic computations is:

a) 15°C or 59°F
b) 273K or 492°R

A

a) 15°C or 59°F

57
Q

Ef þú ert beðinn um að horfa á skjá í ND og segja hvar “heading” er… hvernig spottar þú það?

A

Þetta er svona látlaus hvít ör og spottar þetta út frá því að fyrir neðan hana er flötur sem indicator rudder input (stíga á boltann kind-a-thing).

58
Q

Which document deals with considerations of software on-board aircraft computers?

a) RTCA/DO-178B
b) EUROCAE Doc. 178

A

a) RTCA/DO-178B

59
Q

Stall warning must provide an alarm with the flaps and landing gear in _____ position.

A

any normal

60
Q

Hvar mælir þú EGT?

A

Outlet of high pressure stage of turbine

61
Q

í autopilot, which equipment is required for the FMS to control the vertical axis?

A

autohrottle. Það bætir inn afli og tekur af, til að halda hæð.

62
Q

Getur þú verið með ADS contract þar sem ATC getur kallað eftir report (on-demand)?

A

já

63
Q

Total fuel flow consumption is obtained by integrating the fuel flow with respect to ____.

A

time

64
Q

Í autopilot, er pitch attitude hold mode til?

A

Nei

65
Q

Hvernig er formúlan til að finna um hversu mikið þú átt að over- eða undershoota?

A

(Bank angle + latitude) / 2

66
Q

Ef þú færð ekki lengur position data úr IRS, hefur þetta áhrif á a) FMS og b) TCAS ?

A

Hefur áhrif á FMS en hefur ekki áhrif á TCAS. Það system er ekki að notast við IRS, það notast bara við ground stöðvar og eitthvað sín á milli í loftinu minnir mig. Allavega ekki IRS.

67
Q

Temperature sensor er með recovery factor 0.95, temperature measured is equal to ___ air temperature + 95% RAM-rise.

A

static

68
Q

Er drift angle output í IRS?

A

já

69
Q

Í hvaða lit er “engaged mode” í electronic display systems?

A

grænt

70
Q

FMS cost index is used to adapt the _____ to the direct operating cost.

A

flight path

71
Q

Hvað er PSI í standard atmosphere?

A

14.5 PSI

72
Q

Hvaða hraða sérðu í ND?

A

TAS og GS

73
Q

Electromotive force = Constant * ___ Junction Temperature

E = K * T

A

Hot

74
Q

Deviation compensation in a flux gate is automatic or mechanical?

A

mechanical

75
Q

Hvað gerir servo altimeter nákvæmari? Electromagnetic ____

A

pick-off

76
Q

Er FMC að nota LOC til að átta sig á staðsetningu?

A

já, ásamt DME, IRS og GPS.

77
Q

The probe used to measure air intake of a gas turbine engine powerplant is an aneroid/differential capsule?

A

Aneroid capsule

78
Q

The capacity fuel gauges provide information on ____ who’s indication is independent of the temperature of the fuel.

A

mass

79
Q

Til hvers er the mach trim system?

A

Annað en þú hefur haldið þá er þetta ekki bara vegna mach tuck, þetta er til þess að “increase the longitudinal static stability of the aircraft by changing the horizontal stabilizer according to the mach number”.

80
Q

Er “flight path angle hold” partur af vertical flight path mode.

A

Já

81
Q

Er “Glide slope intercept and track” partur af vertical flight path mode.

A

já

82
Q

Til að mæla lágþrýsting, notar þú aneroid capsule eða bellows sensor?

A

aneroid capsule

83
Q

The response time of a VSI may be improved using a

a) correction based on an accelerometer sensor
b) Return spring

A

a) correction based on an accelerometer sensor

84
Q

Hvað af þessu er basic properties of a gyroscope?

a) Gyro’s weight b) Rigidity in space c) Inertia
d) High RPM e) The precession

A

b) Rigidity in space

e) The precession

85
Q

Hvað gerist fyrir TAS þegar þú flýgur inn í heitari loftmassa?

A

Það hækkar. Þynnra loft að skera og þú ferð því hraðar.

86
Q

Hvað heitir “mode’ið” sem þú ert í þegar þú sérð á skjánum bara lítinn hring með áttunum og svo bleika strikið (sem táknar radial) og svo bleikt strika sem þarf ekki að vera alignað beint (táknar breytingu sem þú þarft að gera til að sameinast) ?

A

Full NAV mode

Litlu skjáirnir kallast “full” en stóru skjáirnir kallast “expanded”.

87
Q

Hvað poppar upp þegar þú lendir í electrical failure í elctrically driven direction indicator?

A

Það kemur rautt warning flagg.

88
Q

Hvað gerist í modern thrust computer fyrir N1 og N2 ef þú ert í steady climb með

A

N1 er automatically adjusted in the climb. Ekkert talað um N2. Þetta snýst bara um N1.

89
Q

Er “pitch attitude hold” mode í autopilot?

A

Nei

90
Q

Hvað gerist fyrir thrust ef þú heldur EPR föstu en hitastig er að hækka?

A

Ekkert, virðist vera að EPR = Thrust, sama hvað.

91
Q

When an automatic thrust control system is in the THRUST mode

a) thrust is adjusted to maintain a selected speed
b) thrust is set to a computer thrust according to a performance database

A

b) thrust is set to a computer thrust according to a performance database

92
Q

Eru runways í FMS navigation database?

A

já

93
Q

Er FMS að astoða með electronic check lists?

A

Nei

94
Q

Direct reading magnetic compass errors are due to ___ change, depending on the _____ angle and magnetic heading.

A

north, bank

95
Q

The annunciator of a remote indicating compass system is used when _______ the magnetic and gyro compass elements.

A

synchronizing

96
Q

“armed mode” í electronic display system er white/green?

A

white

97
Q

Hvar finnur þú track í ND?

A

Það er hvíta línan og í stóra kassanum efst. Heading er látlausa örin með rudder inputs merkinu.

98
Q

Main function of TCAS

a) Alert the crew to possible conflicting traffic
b) automatically resolve conflict when autopilot is engaged

A

a) Alert the crew to possible conflicting traffic

99
Q

Hvort gerir hvað?
Holds altitude and holds speed
a) Authothrottle b) Autopilot

A

Autopilot holds altitude

Autothrottle holds speed

100
Q

If there is a striped needle in the ASI, it indicates..

A

maximum operating speed

101
Q

Ertu með glideslope í mechanical ADI?

A

já

102
Q

Hvað er mikið tekið upp í FDR og CVR?

A

FDR: 25 hours, CVR: 30 mín.

103
Q

Is the auto-throttle always enaged at the same time as the autopilot?

A

No.
Skrítið.. en samt autothrottle stjórnar líka hraða svo það ætti tæknilega séð að vera nóg að vera með kveikt á auto-throttle og þú svífur bara um loftið (getur reyndar farið á hliðina).

104
Q

Software certification levels skiptast í hvað mörg levels?

A

5, catastrophic, hazardous major, minor, no effect

105
Q

To allow coupling of a duel channel flight director, both autopilot channel must be selected: __.

A

on.

106
Q

Þegar þú powerar upp EFIS, hvaða page poppar upp?

a) IDENT
b) POS INIT
c) INITIAL

A

a) IDENT

107
Q

FMS is approved for localiser approaches if:

a) GPS only is used as naviation sensor
b) GPS og DME er notað sem navigation sensor
c) Localiser signals are used by the FMS

A

c) Localiser signals are used by the FMS

108
Q

The signal supplied by a transmitter fitted with a magnetic sensor, connected to an RPM indicator is an __ voltage, the frequency of which varies with the ___; the indicator converts the signal into square pulses which are then ___

A

AC voltage, RPM, counted

109
Q

Skiptir pressure altitude máli varðandi restriction í notkun á auto-land?

A

já, mátt greinilega ekki nota autoland ef pressure altitude er ekki meeting the requirement.

110
Q

The most common system to monitor turbine gas exhaust temperature, hot and cold junction ___/____ system

A

alumel/chromel

111
Q

main advantage of a remote indicating compass instead of a direct reading compass is that..

A

it senses rather than seeks the magnetic meridian, therefore is more sensitive.

112
Q

“Engaged mode” er hvernig á litin í electronic display systems?

A

grænt

113
Q

The cost index option on the CDU is a ___ numerical value input into the FMC which then calculates either max economy or shorter sector times.

A

variable

114
Q

Þegar TCAS er að gefa þér leiðbeiningar varðandi climb/descent, tekur það tillit til stall speed?

A

Nei

115
Q

Hvað mæla sensorar í electornic torque meter system

a) twist in the output shaft of engine
b) torsion of the propeller blades or the torsion of the rotor blades

A

a) twist in the output shaft of engine

116
Q

Hvernig færðu TAS úr EAS? En CAS?

A 
TAS = CAS leiðrétt fyrir compressibility og density error
TAS = EAS leiðrétt fyrir density error

sem skýrir þá að EAS = CAS leiðrétt fyrir compressibility error.

117
Q

Ertu að fá Groundspeed sem output úr IRS?

A

já

118
Q

Þú hefur torque gefið og RPM, hvernig reiknar þú út Power?

A

Power = Torque * RPM

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