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SEMANA 07/05 A 10/05 (Con preguntas del G8 del 09/05)

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AVIONICS 4º PARCIAL Quiz on SEMANA 07/05 A 10/05 (Con preguntas del G8 del 09/05), created by Ismael Vázquez on 26/05/2018.
Ismael Vázquez
Quiz by Ismael Vázquez, updated more than 1 year ago
Ismael Vázquez
Created by Ismael Vázquez over 6 years ago
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Resource summary

Question 1

Question
UHF goes from
Answer
  • 3-30 KHz
  • 30-300 KHz
  • 300MHz-3 GHz
  • 30-300 GHz

Question 2

Question
A disadvantage of the HF waves
Answer
  • Beyond LOS
  • Long range (oceanic crossing)
  • Interferences
  • Only in modern A/C
  • Preguntad a Flores!

Question 3

Question
SELCAL
Answer
  • Means selective calibration
  • Increases CRM loads
  • Comprises two consecutive tone pulses
  • Causes interferences with the radio

Question 4

Question
HFDL disadvantage
Answer
  • Wide coverage
  • Simultaneous coverage on several bands
  • Simple avionics and scarce reliability
  • None of the above

Question 5

Question
VHF communications
Answer
  • From 118.00-137 MHz
  • Great radio interference
  • Reaches far behind LOS
  • Distress frequency 122.5

Question 6

Question
VDL
Answer
  • Long range A/C only have 1 piece of VHF equipment
  • ACARS data link is also known as airline operational control
  • Downlink (from aircraft) and Uplink (to aircraft) are plain HTML text
  • Increase the VHF and HF voice comms.

Question 7

Question
SATCOMs
Answer
  • Use EUROSAT satellite constellation
  • Range C- band and L-band
  • Only need 1 satellite
  • None of the above

Question 8

Question
Types of transponders
Answer
  • DME
  • IFF
  • TACAN
  • All of the above

Question 9

Question
In transponder Mode A which is the Pulse Repetition Frequency:
Answer
  • Pulse Repetition Frequency (PRF) = 1200 interrogation signals per second
  • Pulse Repetition Frequency (PRF) = 1000 interrogation signals per second
  • Pulse Repetition Frequency (PRF) = 1350 interrogation signals per second
  • Pulse Repetition Frequency (PRF) = 1100 interrogation signals per second

Question 10

Question
Reception - SLS = Side-lobe suppression.
Answer
  • An aircraft not within the main lobe of the directional beam would receive a P4>P1/P3  The transponder recognises this as a side-lobe signal.
  • An aircraft not within the main lobe of the directional beam would receive a P2>P1/P3  The transponder recognises this as a side-lobe signal.
  • An aircraft not within the main lobe of the directional beam would receive a P4>P1/P3  The transponder recognises this as a front-lobe signal.
  • None of the above is correct.

Question 11

Question
¿Which is the difference between Mode A and Mode C transponder modes, talking about reception and interrogation?
Answer
  • A. The number of pulses.
  • B. The time between pulses
  • C. A and B.
  • D. There is no difference.

Question 12

Question
What is the AA (Aircraft Adress):
Answer
  • 24-bit code unique for each aircraft, established by the authorities when registering a flight plan
  • 24-bit code unique for each aircraft, given by the control when leaving the CTR.
  • 24-bit code unique for each aircraft, allocated to it by ICAO via the individual national registration authorities.
  • 24-bit code unique for each aircraft, which is regulated on ground by the maintenance team.

Question 13

Question
How many levels transponder MODE S has?
Answer
  • Level 1, 2, 3 and 4
  • Level 1 and 2
  • It hasn`t any level
  • It has only one level

Question 14

Question
The main features of the ADS are…?
Answer
  • Automatic and independent.
  • Automatic and dependent
  • Manual and independent
  • Manual and dependent

Question 15

Question
Which is an advantage of the ADS?
Answer
  • 90% cost saving in maintenance
  • Real time data
  • No in-ground equipment
  • All of the above

Question 16

Question
The most used DATA LINK software are LINK 11 & 16
Answer
  • True
  • False

Question 17

Question
About Flight Director System (FDS), what question is correct?
Answer
  • A. This system computes the pitch and roll commands
  • B. FDS do A to achieve or maintain a particular condition of flight.
  • C. The commands are then applied automatically by the aircraft.
  • D. A and B are true

Question 18

Question
Choose the correct answer
Answer
  • FDS reduces crew workload
  • FDS has different inputs to control the aircraft
  • One input is the vertical Gyro/INS/IRS to obtain pitch and roll attitude
  • All of the above are correct

Question 19

Question
Choose the best option related with FDS modes.
Answer
  • FDS have the next options: OFF, lateral modes, vertical modes, and special modes
  • FDS have the next options: STBY, horizontal modes, vertical modes, and space modes
  • FDS have the next options: STBY, lateral modes, vertical modes, and diagonal modes
  • All of the above are correct

Question 20

Question
Which are part of the special modes?
Answer
  • T/O an G/A
  • APP (GS)
  • Vertical SYNC
  • All of the above are correct

Question 21

Question
What of the following sentences are correct?
Answer
  • A. An Automatic Flight Control System (AFCS) is a system that provides a mean to stabilize, maneouver and control automatically an aircraft flight path.
  • B. AFCS functions are: Stability and control augmentation, attitude hold, and flight control.
  • C. A and B are true
  • D. A and B are false.

Question 22

Question
What does AFCS mean?
Answer
  • Automatic Flight Control System
  • Automatic Fuel Control System
  • Autonomous Flight Control Surveillance
  • Autonomous Fire Control Surveillance

Question 23

Question
Related with AFCS closed loop control:
Answer
  • A. It can be named Inner Loop control too.
  • B. From an error signal, a signal is generated to act in the way of correcting the error.
  • C. A and B are true
  • D. A and B are false.

Question 24

Question
Related with AFCS open loop control:
Answer
  • A. From an input the attitude of the trimmed aircraft is modified in order to perfom a maneouver.
  • B. From an error signal, a signal is generated to act in the way of correcting the error.
  • C. A and B are true
  • D. A and B are false.

Question 25

Question
Q1. Which it is not an advantage of HF(high frequency)
Answer
  • Communications beyond line of sight
  • Long Range communications between air and ground
  • Provide communication through long range (oceanic crossing)
  • It is not affected by interferences

Question 26

Question
Q2. What is SATCOMs?
Answer
  • Structural airspace transoceanic compliments
  • SATELLITE COMMUNICATIONS that use International Maritime Satellite Organization (INMARSAT) satellite constellation.
  • SATELLITE COMUNICATIONS that helps the GPS constellation if calibration is needed.
  • All are false

Question 27

Question
Q3. The different modes of transponder are:
Answer
  • Mode A, SSR systems confirms the aircraft’s azimuth on the controller’s screen with an icon confirming that the aircraft is equipped with a transponder.
  • Mode C, Pressure altitude is given (with azimuth it provides 3D info).
  • Mode S (select), Includes data linking capability to provide a cooperative surveillance and communication system.
  • All are true

Question 28

Question
Q4. What is a BUS in aeronautics?
Answer
  • A transport method for reaching planes
  • Subsystem that permits interconnection and data exchange between the devices in a complex system (central nervous system of the aircraft)
  • A code that encrypt every data that the plane has to process
  • The operative system of a plane computer

Question 29

Question
Q5.Which of the following transponders can we find in military aircrafts?
Answer
  • Distance Measurement Equipment (DME)
  • Tactical Air Navigation (TACAN)
  • Identification Friend or Foe (IFF)
  • All are true

Question 30

Question
Q6. How many phases have the mode S implementation?
Answer
  • 3 (ELS, EHS and Additional DAP)
  • 2 (ELS and EHS)
  • 1 (ELS)
  • 4 (ELS, EHS, DAP and ELM)

Question 31

Question
Q7. What is the meaning of AA in mode S?
Answer
  • Aircraft Address
  • Air colision
  • Avoidance altitude
  • Anticollision attitude

Question 32

Question
Q8. Which is the basis of the ATC system?
Answer
  • Primary radar
  • Secondary radar
  • Both of them
  • None of the above
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