Communication and Navegation Systems for Airplanes

Descrição

Quiz sobre Communication and Navegation Systems for Airplanes, criado por SC IDEA em 10-03-2015.
SC IDEA
Quiz por SC IDEA, atualizado more than 1 year ago
SC IDEA
Criado por SC IDEA mais de 9 anos atrás
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Resumo de Recurso

Questão 1

Questão
1.1 In the first solo across the Atlantic in 1927, how did Charles Lindbergh keep control of the airplane while flying in clouds and darkness?
Responda

Questão 2

Questão
Name three instruments used by the Wright Brothers in their first flight that marked the begin­ning of what would become "avionics".
Responda
  • Stopwatch
  • turn-and bank
  • Prop counter
  • Wind speed
  • earth inductor compass

Questão 3

Questão
1.3 What generated power for Lindbergh's earth induct compass?
Responda
  • a battery
  • an anemometer
  • an alternator
  • an engine

Questão 4

Questão
1.4 Which of the following sys­tems airlines not consider part of "avionics"?
Responda
  • Turbocharching
  • fire de­tection
  • landing gear
  • air conditioning
  • water-waste
  • air
  • starting

Questão 5

Questão
1.5 What technology was widely adopted in avionics to reduce size and weight, as well as provide greatly increased function.
Responda
  • semiconductor
  • radio waves
  • transponder
  • vacuum tubes

Questão 6

Questão
1.6 What system, made possible by digital elec­tronics, greatly reduces the problem of mid-air collisions?
Responda
  • RVSM
  • AP
  • EGPWS
  • TCAS

Questão 7

Questão
1.7 What replaces early "steam gauges" in air­craft instrument panels?
Responda
  • Flat LCD panels
  • CRT panels
  • some other crazy answer

Questão 8

Questão
1.8 How can the function of an electronic instru­ment be easily enhanced?
Responda
  • by upgrading its software
  • by purchasing a new instrument
  • by changing its sensors
  • by apply contact cleaner

Questão 9

Questão
1.9 What does "CNS," which describes basic functions of avionics, stand for?
Responda
  • Center of Nautical Instrument
  • Communications-Navegations-Survillance

Questão 10

Questão
1.10 "FADEC" is.
Responda
  • An automatic electronic system that controls engine efficiency by using the less fuel as possible
  • An automatic electronic system that controls airplane primary control surfaces in order to take workload from the pilot

Questão 11

Questão
1.11 Name the world body that deliberates fu­ture aviation technology? 
Responda
  • ANAC
  • INAC
  • FAA
  • AMC

Questão 12

Questão
2.1 Radio frequencies are measured in Hertz (Hz), after Heinrich Hertz, What was his contribution to communications?
Responda
  • enable peoble to communicate using air as a transport medium
  • "nothing I guess"

Questão 13

Questão
What was the first system for marking cross-country airways?
Responda
  • NDB
  • ADF
  • lighted beacons
  • radio airways

Questão 14

Questão
What was the first instrument to enable pi­lots to maintain control of an airplane without see­ing outside the cockpit?  
Responda
  • turn and bank indicator
  • turn and bank coordinator
  • TCAS
  • Artifitial Horizont

Questão 15

Questão
What component led to the artificial horizon and autopilot?
Responda
  • Vacuum pump
  • auto pilot computer
  • gyro

Questão 16

Questão
? Name the developer of the autopilots early systems.
Responda
  • Thorne-Baker
  • Jimmy Doolittle
  • Alexander Graham Bell
  • Elmer Sperry

Questão 17

Questão
What type of transmitter sent the first radio message from an airplane to the ground?
Responda
  • high frecuency transmitter
  • Marconi transmitter
  • piezo electric transmitter
  • Delco transmitter

Questão 18

Questão
Who was the pioneer who flew the flrst in­ strument flight, sometimes known as "blind flying," in 1929?
Responda
  • Jimmy Doolittle
  • Samuel Morse
  • Elmer Sperry

Questão 19

Questão
What system in Air Traffic Control replaced position reports by voice?  
Responda
  • reports by Morse code
  • reports by ACARS
  • Reports by datalink

Questão 20

Questão
3.2 What is the frequency coverage of the VHF com band?
Responda
  • 3 to 30 Mhz
  • 30 to 300 Mhz
  • 300 to 3000 Mhz

Questão 21

Questão
What is the narrowest spacing for channels in the VHF com band?
Responda
  • 3.88 Khz
  • 8.33 Khz
  • 8.33 Mhz
  • 25 Khz

Questão 22

Questão
3.6 What is the purpose of a mic key line?
Responda
  • provide the signal that de-activate the microphone
  • provide the signal that activate the microphone
  • call Mic Key
  • Permits the use of the comminication receiver

Questão 23

Questão
3.7 A typical com radio has two frequencys
Responda
  • True
  • False

Questão 24

Questão
3.8 What is the purpose of a squelch?
Responda
  • Allows the user to hear throught the radio interference Caused by the atmosphere
  • is provides the mean so the user can perform a quick test on the com receiver
  • it provides interfece between ATC and pilot
  • is a filter of atmospheric noise that incorporate the receiver in order to provide a clean sound

Questão 25

Questão
3.9 What function does the "com test" control pro­vide?
Responda
  • disable the squelch
  • activate the squelch
  • is the squelch back up fuction

Questão 26

Questão
3.10 Where is the LRU (line replaceable unit) for a com transceiver of a large aircraft located?
Responda
  • wheel well compartment
  • electronic bay
  • cockpit
  • landing gear

Questão 27

Questão
3.11 What is a radio management system?
Responda
  • I dont know, it does not really exist
  • is a unit the provide all of the differents com LRU control buttons and advisories in a single unit
  • It is a universal com control panel located on the cockpit

Questão 28

Questão
3.12 What is the third VHF com radio of an air­Iiner often used for?
Responda
  • back up of the com 1 and com 2
  • sat com interface
  • ACARS
  • SELCAL

Questão 29

Questão
4.1 Are High Frequency communications not as reliable as those of VHF because the ionosphere is always changing between day and night and season to season
Responda
  • True
  • False

Questão 30

Questão
4.2 What is the advantage of "Autotune.“
Responda
  • reduced pilot workload
  • permits the use of the auto tune trailing edge antenna at the aft of the airplane

Questão 31

Questão
it concentrates all of the transmitter power in only on of three components
Responda
  • LSB modulation
  • USB modulation
  • AM modulation
  • carrier wave

Questão 32

Questão
4.4 What made HF datalink successful?
Responda
  • the extremely huge antennainternetworked
  • HFDL system relationship to HF voice
  • Automatic selection of data rates:
  • Digital signal processing
  • pre-assigned frequency to communicate with the responsible ATC
  • HF ground stations

Questão 33

Questão
4.7 What is the purpose of an HF antenna cou­pler?
Responda
  • tunes antenna
  • auto tune the antenna
  • it is just the component that couple the antenna to its mounting

Questão 34

Questão
4.6 check the correct aseverations on HF datalink
Responda
  • Data Relieves Congestion on Voice Frequencies
  • -Data Detects Errors and Automatically Retransmits
  • Shorter Message Transmission Time (Iess than 3 seconds vs more than 1 minute)
  • it is the preffered system of communications in short fligths

Questão 35

Questão
5.1 Select those that are true about satellite communications?
Responda
  • it is Free from at­mospheric interference and limited bandwidth
  • it is not Free from at­mospheric interference and limited bandwidth
  • Satcom signals penetrate the ionosphere without bending or reflecting
  • Satcom signals can not penetrate the ionosphere without bending or reflecting
  • are unaffected by electrical noise or weather
  • are affected by electrical noise or weather

Questão 36

Questão
5.2 What is the name of the next generation air traffic control system based on satellites?
Responda
  • SATCOM
  • FANS
  • ACARS
  • GPS

Questão 37

Questão
5.3 How many Inmarsat satellites provide global coverage, and where are they located?
Responda
  • They are 24 satellites of GPS constellation in six planes
  • four satellites that hover over the equator
  • they are four satellites that are not geostacionary instead each one can see all the following regions 871 Atlantic Ocean Region – East (AOR-E) 872 Pacific Ocean Region (POR) 873 Indian Ocean Region (IOR) 874 Atlantic Ocean Region – West (AOR-W

Questão 38

Questão
The two major components of the satcom system are Ground Earth Station and Aircraft Earth Station
Responda
  • True
  • False

Questão 39

Questão
satcom antenna that supports the full range of satcom services
Responda
  • low gain
  • intermedium gain
  • high gain

Questão 40

Questão
select satcom antennas that must be highly directional?
Responda
  • low gain
  • high gain
  • conformal
  • intermedium gain

Questão 41

Questão
5.9 After satellite messages are received at a GES, how do they get to their final destination?  
Responda
  • Trough telecommunications services throughout the world.
  • trough satellite dishes over the world.

Questão 42

Questão
5.10 On what band does the aircraft send and receive satellite communications?
Responda
  • HF
  • VHF
  • UHF

Questão 43

Questão
5.11 What is the purpose of a Beam Steering Unit?
Responda
  • keeps the elements pointed at the satellite as the airplane posi­tion changes
  • converts signals from an intermediate frequency up into the L-band
  • SDU inter­faces with the airplane navigation system

Questão 44

Questão
5.12 What is the typical location on the airplane for an electromechanically steered antenna?
Responda
  • under the airplane
  • at the top of vertical stabilizer
  • inside the vertical stabilizer
  • electronic bay

Questão 45

Questão
5.13 communications satellites appear to remain fixed in one position?
Responda
  • True
  • False

Questão 46

Questão
6.1 What is the meaning of the abbreviation "ACARS"?
Responda
  • Aircraft Communication Addressing and Repair System
  • Aircraft Communication Air and Reporting System
  • Aircraft Communication Addressing and Reporting System

Questão 47

Questão
6.2 What type of communications occur on ACARS?
Responda
  • datalink through LF
  • datalink through L band
  • datalink through VHF
  • datalink through HF
  • datalink through UHF

Questão 48

Questão
6.3 networks operates ground and satellite services for ACAR are ARINC and SITA
Responda
  • True
  • False

Questão 49

Questão
6.4 What is the meaning of the ACARS message "0001 OFF"
Responda
  • preflight and taxi
  • en route
  • approach and landing
  • none of the options

Questão 50

Questão
6.5 an ACARS message received only by the aircraft it’s intended for?
Responda
  • True
  • False

Questão 51

Questão
7.1 What does the contraction "Selcal” mean?
Responda
  • Sectional calling
  • Local calling
  • selective calling

Questão 52

Questão
7.2 Select the reasons why Selcal is used.
Responda
  • During oceanic flights, aircraft monitor a HF (high frequency) radio for clearances from a ground controller from long period of time
  • HF reception is often noisy
  • a pilot prefers to turn down the audio He will not miss calls intended for him
  • VHF com are not to trust

Questão 53

Questão
7.3 How many tones are in a Selcal code?
Responda
  • 1
  • 2
  • 3
  • 4

Questão 54

Questão
7.4 How many Selcal tone pairs are transmitted simultaneously? 
Responda
  • 1
  • 2
  • 4

Questão 55

Questão
7.5 Can two aircraft have the same Selcal code?
Responda
  • True
  • False

Questão 56

Questão
7.6 if a pilot receives a Selcal intended for a different airplane
Responda
  • the system is faulty
  • the pilot should double check with the controller

Questão 57

Questão
8.1 how many are sent out by an ELT during a distress call?
Responda
  • 1
  • 2
  • 3
  • 4
  • 9

Questão 58

Questão
8.2 an ELT must be mounted
Responda
  • perpendicular with the direction of flight
  • in line with the direction of flight
  • it does not matter

Questão 59

Questão
8.3 Name the satellites that pick up and relay ELT signals?
Responda
  • Cospas
  • Sarsat
  • Doppler
  • Leosar
  • Geosar

Questão 60

Questão
8.4 a geostacionary satellite
Responda
  • Doppler shift
  • receive a distress message that contains the airplane’s position provided by a GPS

Questão 61

Questão
8.5 a G-switch
Responda
  • is the Test switch on cockpit
  • is the Geostacionary switch
  • is the impact switch

Questão 62

Questão
The 406 system is a mixture of Leosar and Geosar satellites. Leosar ("low earth orbit search and rescue") completely covers the globe
Responda
  • True
  • False

Questão 63

Questão
9.1 Is there a combined VOR and Tacan navigational station?
Responda
  • True
  • False

Questão 64

Questão
9.2 What problem of early radionavigation did VOR overcome?
Responda
  • lights houses worked perfectly
  • expensive stations
  • bad weather nav

Questão 65

Questão
9.3 VOR waves travel
Responda
  • curved
  • straight

Questão 66

Questão
9.4 Name the two major components of a VOR signal
Responda
  • frecuency modulation
  • variable phase
  • subcarrier
  • amplitud modulation
  • reference signal

Questão 67

Questão
9.5 The reference phase broadcasts in what direction?
Responda
  • 360 direction
  • 1direction
  • ommidirectional, ergo VOR

Questão 68

Questão
9.6 The variable phase rotates 60 times per second
Responda
  • True
  • False

Questão 69

Questão
9.6 The variable phase rotates 10 Times per second
Responda
  • True
  • False

Questão 70

Questão
9.7 What happens when the variable phase moves through magnetic north (O degrees)?
Responda
  • a reference phase beams in 360 directions
  • a reference phase is on its lowest frecuency
  • a reference phase is on its highest frecuency

Questão 71

Questão
9.8 the VOR receiver know its bearing from the VOR station by counting time
Responda
  • True
  • False

Questão 72

Questão
9.9 Besides fixed and variable phase signals, are there other information broadcasted by a VOR station?
Responda
  • True
  • False

Questão 73

Questão
9.10 Why is it necessary to place the reference phase signal on an FM subcarrier?
Responda
  • because it is a to low frecuency
  • because it is in a to hi frecuency
  • because its a signal with little power

Questão 74

Questão
9.11 What is the purpose of the course deviation indicator (CDI) on a VOR receiver?
Responda
  • indicates the airplane heading
  • indicates the VOR graund station magnetic bearing selected on the instrument
  • indicates the VOR graund station runway

Questão 75

Questão
• 10.2 How is RVR (Runway Visual Range) measured on an ILS runway?
Responda
  • Is estimated by a weather observer and stated in miles
  • by a transmissometer
  • By measuring the loss of light (caused by haze or fog)

Questão 76

Questão
• 10.3 Name the categories of ILS.
Responda
  • Cat I-II-III
  • Cat I-IIa-IIb- IIIa-IIIb-IIIc
  • Cat I-II-IIIa-IIIb-IIIc

Questão 77

Questão
10.4 What component of an ILS provides an ILS provides an extended centerline to the runway?
Responda
  • VNAV
  • glideslope
  • azimuth
  • LNAV
  • localizer

Questão 78

Questão
10.5 IS VNAV the ILS component that provides vertical guidance to a runway?
Responda
  • True
  • False

Questão 79

Questão
10.6 How many channels are allocated to localizers?
Responda
  • 40
  • 80
  • 120

Questão 80

Questão
10.7 in general aviation The localizer frequency is selected on the
Responda
  • dedicated localizer receiver
  • dedicated ILS receiver
  • nav receiver
  • audio panel
  • glideslope receiver

Questão 81

Questão
10.8 The frequencies of the two audio tones that provide left-right guidance or localizer are
Responda
  • 90
  • 150
  • 400
  • 1300
  • 3000

Questão 82

Questão
10.9 When a localizer frequency is selected on the VOR receiver, the indicator needle indicates
Responda
  • the radial of the runway
  • the course selected on the OBS
  • fly left or right of the runway

Questão 83

Questão
10.9 When a localizer frequency is selected on the VOR receiver, the indicator needle deflected full right indicates 2.5 degrees off the center line... or more 
Responda
  • True
  • False

Questão 84

Questão
10.11 The compass locator of an ILS is received on the
Responda
  • Inner marker beacon
  • middle marker beacon
  • outer marker beacon

Questão 85

Questão
10.12 The localizar frecuency is tuned automatically when glideslope frequenci is selected on the receiver?
Responda
  • True
  • False

Questão 86

Questão
11.1 select What were reasons for approving the Microwave Landing System?
Responda
  • ILS has only 40 frequencies
  • An ILS serves one runway with a single course
  • the repeated "I hear music” he reported to the controller
  • Installing an ILS at an airport is not simple
  • the GPS technology was out of reach

Questão 87

Questão
11.2 MLS creates inbound courses to runways by a scanning beam which moves back and forth beyond either side of the runway, this is called the ___________________________signal.
Responda
  • glideslope
  • marker
  • localizer
  • azimuth

Questão 88

Questão
11.4 An MLS scanning beam determine the centerline of a runway by a principle called distance Reference Scanning Beam
Responda
  • True
  • False

Questão 89

Questão
11.4 An MLS scanning beam determine the centerline of a runway by a principle called time Reference Scanning Beam
Responda
  • True
  • False

Questão 90

Questão
11.5 Why are there so few MLS installations at airports?
Responda
  • it is to new
  • it is to expensive
  • Navstar systm was borned

Questão 91

Questão
11.6 What type of receiver can use ILS, MLS and GPS signals?
Responda
  • none
  • Multireceiver

Questão 92

Questão
On what bands does ADF operate?
Responda
  • LF
  • MF
  • HF
  • VHF
  • UHF

Questão 93

Questão
An ADF with a fixed compass card can only indicate _ bearing to an NDB (non-directional beacon) station.
Responda
  • Magnetic north
  • Magnetic bearing
  • Relative bearing
  • Magnetic heading

Questão 94

Questão
When the edge of an ADF loop points toward the station, strongest signal is received. This is known as a?
Responda
  • Peak
  • Null
  • Sense

Questão 95

Questão
When the flat side of the loop faces the station, the received signal is weakest. This is known as a?
Responda
  • Peak
  • Null
  • Sense

Questão 96

Questão
Which is used by the ADF receiver for determining direction, the peak or null?
Responda
  • Peak
  • Null

Questão 97

Questão
What is the purpose of a sense antenna?
Responda
  • Determinar dirección
  • Corregir el cuadrante
  • Determinar sentido
  • Determinar BFO

Questão 98

Questão
Is "quadrantal error, a condition in which the loop antenna is not in a extremely straight line with the NDB?
Responda
  • Falso
  • Verdadero

Questão 99

Questão
How is direction-finding selected'?
Responda
  • Activating the ADF function
  • Deactivating the ADF function
  • Activating the BFO function
  • Activating the ET/FLT function

Questão 100

Questão
What is the function of the switch marked "BFO" or "Tone"'?
Responda
  • It creates an audio from the NDB stations without audio identifier
  • It helps locate very weak NDB stations
  • Is makes possible the audio receptions if form of morse code by disabling the loop antenna

Questão 101

Questão
What type of interference may occur in a ADF receiver?
Responda
  • Night effect
  • Coastal effect
  • Attitude error
  • Electrical interference
  • Natural sources interference
  • Quadrantal error

Questão 102

Questão
An airborne DME sends out a pulse known as an?
Responda
  • Jitter
  • Interrogating pulses
  • Answer pulse
  • Slant range

Questão 103

Questão
DME is a component of a military system known as?
Responda
  • VORTAC
  • TACAN
  • MILITARY DME

Questão 104

Questão
In addition to distance-to-station, an airborne DME computes and?
Responda
  • GS
  • TTS

Questão 105

Questão
A distance error in DME is called Slant Range?
Responda
  • True
  • False

Questão 106

Questão
All aircraft interrogating the same DME ground station are on the same frequency. How does an aircraft identify its replies from all others?
Responda
  • Due to the GS reply jitter is identical of that of the interrogation
  • Due to that each aircraft sends and random spacing pair of pulse that is different from all others
  • Due to that the airplane first makes a link with the ground station

Questão 107

Questão
How is a DME station tuned in?
Responda
  • With the knob in the DME panel, you select the DME frequency.
  • With the knob in the DME panel, you select the VORTAC frequency.
  • With the knob in the DME panel, you select the VOR frequency.
  • the radio automatically channels the correct DME frequency.

Questão 108

Questão
What happens when more than about 100 aircraft interrogate the same DME ground station?
Responda
  • The station reduces its receiver sensitivity*
  • Each airplane looks for its unique jitter pattern and locks on to it.
  • The system overload

Questão 109

Questão
does the DME ground station delay its reply by 50 microsecond To take time to copy aircraft interrogating panel?
Responda
  • True
  • False

Questão 110

Questão
Does the DME station transmit an ID?
Responda
  • True
  • False

Questão 111

Questão
A TCAS aircraft transmits an interrogation ?
Responda
  • Once per second
  • Twice per second
  • 4 times per second
  • 10 times per second

Questão 112

Questão
How does an intruder aircraft with an ATCRBS (early type) transponder reply to TCAS interrogations?
Responda
  • With an address
  • With an Threat Advisory
  • Resolution Advisory

Questão 113

Questão
How does an intruder aircraft with a Mode S transponder reply to TCAS interrogations?
Responda
  • With a 1090 MHz Datalink Resolution Advisory
  • With a 1090 MHz Datalink Threat Advisory
  • With a 1030 MHz Datalink Resolution Advisory
  • With a 1030 MHz Datalink Threat Advisory

Questão 114

Questão
How does TCAS determine the direction of a threat?
Responda
  • With the TCAS directional antenna
  • With the transponder directional antenna

Questão 115

Questão
does TCAS determine the distance of a threat the same way the SSR?
Responda
  • True
  • False

Questão 116

Questão
How does TCAS determine whether the other aircraft is a threat?
Responda
  • If it is within 2.1 NM
  • If it is within 3.3 NM
  • If it is within 20 NM

Questão 117

Questão
Name the two kinds of warnings issued by TCAS
Responda
  • CA
  • RA
  • TA
  • MA

Questão 118

Questão
What does an Resolution Authority (RA) do?
Responda
  • Makes the other aircraft in collision course to appear on the screen
  • Tells the othe aircraft to fly up or down and left or right
  • Tells the othe aircraft to fly up or down

Questão 119

Questão
If two TCA aircraft are closing, what prevents them from climbing, and flying into each other?
Responda
  • The pilot resolution
  • The TCAS resolution

Questão 120

Questão
Where is the technique of “whisper-shout” most useful?
Responda
  • In cruise flight
  • In landings only
  • Near airports areas

Questão 121

Questão
does the directional antenna reduce the number of replies for each interrogation?
Responda
  • True
  • False

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