1/149
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
T or F: obstacles in the transmission path can cause radio frequency interference in telecommunication systems
true
Infrared payloads are constructed similarly to RGB electro-optical payloads with which of the following exceptions?
the semiconductor material is different
Which of the following are common architecture components shared by all robots?
electronic systems, mechanical structure, software
T or F: the Human Machine Interface (HMI) in a ground control station is used to control flight and interact with remotely piloted aircraft
true
T or F: the primary purpose of the guidance is to determine the desired flight path of the air vehicle
true
Stability is an airfoil's tendency to return to a state of _ after a perturbation
equilibrium
which of the following is a metric that can be used to assess system reliability?
MTBF
T of F: beyond visual line of sight and beyond line of sight are the same
false
which of the following is NOT a function of a remotely piloted aircraft system data link?
storing data
T or F: radiometric correction involves adjusting the brightness and color values of data
true
T or F: frequency modulation involves encoding information into a carrier wave by varying the amplitude, amount of energy carried by the wave
false
weather conditions and obstacles are environmental challenges that fall into which environmental domains?
operational
T or F: Dead reckoning is different from ground reference navigation in that dead reckoning uses known landmarks to maintain course, whereas ground reference uses direction and speed of travel.
false
Which of the following is a mathematically defined surface that approximates the shape of the Earth?
ellipsoid
T or F: Lower-frequency carrier waves can carry more information.
False
T or F: Multiplexing a signal allows for the simultaneous transmission of several signals, which has the positive side effect of reducing data link interference
true
T or F: density altitude affects visibility of the pilot
false
Moving a fixed- wing aircraft's elevators will generate rotation around the lateral axis also known as which of the following?
pitch
T or F: the angle of attack is the angle between the chord line and the relative airflow
true
Which of the following has the primary function of automating the air vehicle's flight control?
flight control computer
an autonomous uncrewed aircraft system has which of the following features?
requires no human intervention
Ground sample distance is a measurement of what type of resolution?
Spatial
what is the primary role of the human in a remotely piloted aircraft system?
they are responsible for the safety and reliability of the system
what type of closed loop system adjusts the output of a process based on the difference between the desired output (the setpoint) and the measured output?
proportional-integral-derivative-control
T or F: the ground data terminal provides communication with airborne systems equipped with a datalink
true
emissivity compares the thermal emittance of an object to that of which of the following
a black body
a ___ is a type of UAS that combines the features of both the rotor and fixed wing systems
powerlift
which of the following systems does not require human intrvention
Autonomous UAS
T or F: in the context of remotely piloted aircraft systems, DAA stands for detect and avoid
true
what avionic sensor combines information from gyroscopes and accelerometers to determine the aircraft's altitude at an angular rate?
inertial measurement unit
T or F: air density decreases with increasing temperature, causing aircraft performance to increase
false
which element of a remotely piloted aircraft system is responsible for the safety and reliability of the whole system?
human element
a geoid in geospatial data is:
a model representing the earth's gravity field
which of the following describes the tendency of an aircraft to fly in a prescribed flight condition
stability
if power and wavelength are equal, which antennas would have the shortest range?
omni-directional
which of the following are typical hardware components of a data link?
antenna, modem, receiver, transmitter
T or F: based on sensor data, a closed loop control system adjusts to the aircraft's control surfaces
true
which of the following types of accuracy refers to the accuracy of spatial data with respect to real world coordinates?
absolute accuracy
which hardware items are not typically found in a ground control station?
microwave oven, engine instrument panel
how does the way a fixed wing aircraft induce yaw different than a multirotor?
A fixed-wing moves a rudder into the airstream, whereas a multirotor increases the RPM of two diagonal motors
equipment failure and interference by other signals or terrain can cause which of the following?
loss of link
which payload is considered passive in data capture
electro-optical
T or F: Mission management in RPAS operations ensures the safety and efficiency of the entire mission
true
T or F: a combustion engine generates thrust by accelerating a stream of air or fluid in the direction opposite to its rotation
false
which essential function of a control station describes the processing and sharing of mission data and imagery
data exploitation
which of the following control station types is also referred to as a pilot control bow (PCB)?
handheld control station
increasing the angle of attack of a wing is directly proportional to the amount of lift produced until boundary layer separation, resulting in which of the following?
wing stall
in what ways is RPAS performance impacted by payloads?
Power requirements of the payload , Flight time and battery life , Weight and balance of the aircraft
T or F: altitude, airspace, and real-time video feeds are commonly displayed on a primary flight display (PFD)
false
which components are typically found in a ground control station?
control interface, power supply, display system
T or F: air density decreases with increasing temperature, causing aircraft performance to decrease
true
what is the purpose of the control station in RPAS operations?
command and control, mission management, data exploitation
T or F: GTOW, in the context of UAS regulation, stands for general takeoff
false
why would radiometric IR be better than isothermal IR for evaluating measurable temperature differences in objects?
Radiometric IR provides absolute temperature measurements
what makes the piston in a combustion engine move?
controlled explosion
terrain masking, equipment failures, and electromagnetic interference can cause which of the following conditions?
loss of link
a control interface and data storage devices are typical of what?
hardware found in ground control stations
photogrammetry uses which of the following techniques to determine the positions of ground points by analyzing the images acquired from overlapping aerial photographs?
aerial triangulation
T or F: Atmospheric correction algorithms in remote sensing help correct for scattering and absorption
true
T or F: a digital surface model represents the surface of the earth and provides details about elevation, slope, and aspect
false
sky wave reflection occurs when radio waves below bounce off charged particles in the earth's ionosphere
1 GHz
which methods have been employed for launching air vehicles in remotely piloted aircraft systems?
hand thrown, catapult, vehicle assisted, vertical takeoff and landing (VTOL)
which essential function of a control station describes defining mission objectives and flight paths
mission planning
issuing commands to the air vehicle and receiving telemetry data is called what on the control station?
command and control (C2)
T or F: the acronym LOA stands for level of adaptation
false
which remotely piloted aircraft system element is responsible for transmitting data between the ground control station and the aircraft
data link
obstacles within the transmission path of a radio wave cause which of the following?
radio frequency interference
which of the following types of infrared payloads capture absolute temperature measurements?
radiometric
dead reckoning is a navigational technique that estimates the aircraft's position based on which of the following?
direction and speed of travel
T or F: radiance in remote sensing is energy emitted by the sensor
false
which of the following is not one of the four forces acting upon an aircraft?
gravity
T or F: a "data link budget" helps telecommunication engineers determine the transmitted signal's frequency
false
control surfaces like ailerons, rudders, and elevators perform which of the following tasks?
maintain a fixed wing aircraft's stability and maneuverability
T or F: a closed loop control system adjusts the control output based on the difference between the desired and measured outputs
true
what is the term for the bending of waves as they pass from one medium to another due to a change in their speed?
refraction
Which of the following is not a function of a remotely piloted aircraft system's data link?
providing return to home commands in the event of an interruption
removing the need to support a human pilot can have which of the following effects on the design process?
allows for a lighter weight aircraft, reallocates space on the aircraft for fuel of the payload, can simplify the design
which types of scattering result in the sky looking blue and clouds looking white?
rayleigh and mie
which of the following battery types has the highest energy density?
Lithium polymer (LiPo)
which of the following are core components of all remotely piloted aircraft systems?
control station, support equipment, payload
reducing human exposure to hazardous environments can be classified as what type of work?
dirty
T or F: LiDAR measures distances between the sensor and the object of reference and can generate 3D maps and models
true
which of the following operation concepts uses multiple data links to extend the range of an air vehicle
beyond line of sight
aviation uses G forces to measure which of the following?
load
T or F: clouds are white because of Mie scattering
true
adding an overweight payload to a remotely piloted aircraft can adversely affect air vehicle performance in which of the following ways?
Diminished controllability, Higher stall speed, Poor rate of climb, Reduced maneuverability
which of the following is a term for describing the shape of a wing's cross section
airfoil
T or F: in the realm of GPS navigation, PDOP stands for performance and data output parameter
false
which type of camera measures heat emitted by objects
infrared
T or F: a remotely piloted aircraft system has lower levels of autonomy than an autonomous uncrewed aircraft system
true
T or F: the sky is blue because of MIE scattering
false
T or F: RPAS payloads can include things like cargo weather tracking devices, radio transceivers, and sprayers
true
the rapid advancement of UAS technology has slowed the pace of which of the following?
regulations
which of the following is not one of the four primary forces acting on an air vehicle during flight
power
reduced cruising speed and maneuverability are products of which of the following?
excess weight
T or F: a rolling shutter captures images line by line
true
which of the following data links would enable beyond line of sight operations?
iridium SATCOM, airborne relay
which components of a remotely piloted aircraft system are found in the ground control station?
radio transmitter/receiver, computer, monitor
how will adding more weight to a remotely piloted aircraft affect performance
adversely affect stability
which component of the air data computer measures airspeed
pitot tube