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SEMANA 14/05 A 17/05 (Sin preguntas G4 del 17/05)

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AVIONICS 4º PARCIAL Quiz on SEMANA 14/05 A 17/05 (Sin preguntas G4 del 17/05), 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
Which are the design considerations of servomotor actuators of the AFCS?
Answer
  • Range of control
  • Rate of movement
  • Accuracy of movement
  • All are correct

Question 2

Question
About AFCS modes, choose the INCORRECT option
Answer
  • The modes can be horizontal, lateral and combined
  • The horizontal mode controls the ROLL of the aircraft
  • The vertical mode controls the ROLL of the aircraft
  • The vertical mode controls the PITCH of the aircraft

Question 3

Question
What of this statements are true?
Answer
  • Triplex Systems use four lanes
  • In Simplex Systems a failure does not render the system out of service
  • Triplex Systems make use of voting techniques
  • Quadruplex Systems do not exist already.

Question 4

Question
How is corrected the Dutch Roll
Answer
  • With a Yaw Damper System
  • With a Pitch Damper System
  • None of the above
  • With both systems

Question 5

Question
Dutch Roll
Answer
  • More common in aircraft with swept wing
  • It appears in light aircrafts flying at low speeds
  • A phenomenom that can happen when flying in the same parallel as Holland
  • None is correct

Question 6

Question
Rate Damping Systems
Answer
  • A. Have more to do with control than stability
  • B. Have more to do with stability than control
  • C. Prevent unwanted divergence rates and help to smooth rates to demand
  • D. B and C are right

Question 7

Question
The phenomenon called tuck under occurs…
Answer
  • Flying at subsonic speeds
  • Flying at transonic speeds
  • Flying at high subsonic speeds
  • Flying at high subsonic speeds and transonic speeds

Question 8

Question
Tuck under generates…
Answer
  • Controllable nose up motion
  • Controllable nose down motion
  • Uncontrollable nose up motion
  • Uncontrollable nose down motion

Question 9

Question
Frequencies of the radar:
Answer
  • 1-10 GHz
  • 10-100 GHz
  • 100-1000 GHz
  • 1000-10000 GHz

Question 10

Question
Which type of wave do radar use?
Answer
  • A. EM(Electro Magnetic)
  • B. Short wavelength
  • C. Extremely long wavelength
  • D. A and B are correct

Question 11

Question
Kinds of amplifiers:
Answer
  • A. Tube amplifiers
  • B. Solid state amplifiers
  • C. Hard amplifiers
  • D. A and B are right

Question 12

Question
Which is the meaning of RADAR?
Answer
  • Radio Altimeter to Detect Altitude Risk
  • Radio Aid to Detection And Ranging
  • Radio Aid for Distance At Runways
  • All are false

Question 13

Question
What affects the total effect of noise?
Answer
  • Antenna noise
  • Antenna noise + Transmission line noise
  • Antenna noise + Transmission line noise + Equipment noise
  • All are false

Question 14

Question
Shorter pulses have...
Answer
  • Lower bandwidth and worse resolution
  • Lower bandwidth and better resolution
  • Higher bandwidth and worse resolution
  • Higher bandwidth and better resolution

Question 15

Question
Power required is...
Answer
  • Independent of wavelength
  • A very strong function of R
  • A linear function of everything else
  • All above are correct

Question 16

Question
Which is the standard frequency of an airborne WX Radar
Answer
  • ~ 9 GHz
  • ~ 50 GHz
  • ~ 100 GHz
  • ~1 GHz

Question 17

Question
Some types of antennas are:
Answer
  • A. Isotropic Antenna
  • B. Directional Antenna
  • C. A & B are correct
  • D. A & B are false

Question 18

Question
Some examples of Parabolic Antenna:
Answer
  • A. Fan-Beam Antenna
  • B. Offset Antenna
  • C. A and B are true
  • D. A and B are false

Question 19

Question
A disadvantage of an Array radar:
Answer
  • Beam agility
  • Low loss
  • Effective radar resource management
  • Higher cost

Question 20

Question
Types of clutter
Answer
  • Ground clutter
  • Rain
  • Sea clutter
  • All of them

Question 21

Question
Factors affecting RCS:
Answer
  • Geometric cross-section
  • Directivity
  • Reflectivity
  • All of them are correct

Question 22

Question
Which of these sentences is true?
Answer
  • The F-18 has smaller RCS than the F-22
  • The F-117 has smaller RCS than an insect
  • Both of them are correct
  • Both of them are false

Question 23

Question
Pulse compression technique:
Answer
  • Allows a radar to achieve simultaneously the energy of a short pulse and the resolution of a long pulse
  • Allows a radar to achieve simultaneously the energy of a long pulse and the resolution of a long pulse
  • Allows a radar to achieve simultaneously the energy of a short pulse and the resolution of a short pulse
  • Allows a radar to achieve simultaneously the energy of a long pulse and the resolution of a short pulse

Question 24

Question
Some methods to reduce RCS are:
Answer
  • Blended wings and fuselage
  • Swept leading edges
  • A low-profile ‘blended cockpit’
  • All of them are correct
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