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Aerospace & Aeronautical Engineering MCQ

What are Z transform used to describe in the complex frequency domain?

Answer

Correct Answer: Avionics systems

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What is a specific application of the Z-plane?

Answer

Correct Answer: Control systems engineering in the design of control laws

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What is the symbol for the vertical flight director cue?

Answer

Correct Answer: Gamma sub VERT

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What term is used to describe the control on an airplane that is operated by pushing and pulling?

Answer

Correct Answer: Yoke

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What is the symbol used to represent an aircraft coordinate frame and sign convention?

Answer

Correct Answer: XYZ

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What can you do with a wrap test?

Answer

Correct Answer: Send data to a device

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What is a test that sends data to a device and unaltered data back?

Answer

Correct Answer: Wrap test

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What type of plane uses the lateral flight director?

Answer

Correct Answer: Fixed-wing

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What indication would indicate whether the aircraft is airborne or on the ground?

Answer

Correct Answer: Weight on wheels

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What does the term wash-out filter mean?

Answer

Correct Answer: To smooth a transition due to change of input source

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What is the name of the law parameter that is generated by the longitudinal guidance modes?

Answer

Correct Answer: Velocity error scale factor

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What is the scale factor given to velocity?

Answer

Correct Answer: Velocity error

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What is a basic guidance mode that provides vertical guidance?

Answer

Correct Answer: Vertical speed hold

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What direction does aircraft velocity measure?

Answer

Correct Answer: True east

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What is the symbol used to represent Aircraft velocity in true east direction?

Answer

Correct Answer: V sub E

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What is a standard test case in control systems engineering?

Answer

Correct Answer: Unit impulse

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What are the primary unit functions of interest in avionics?

Answer

Correct Answer: Unit impulse, the unit step, and the unit ramp

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What is a collection of functions used as standard test cases in control systems engineering?

Answer

Correct Answer: The primary unit functions of interest in avionics

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What does ADF stand for?

Answer

Correct Answer: Automatic Direction Finding

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What type of ADF does not require manual input of coordinates?

Answer

Correct Answer: UHF/VHF

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What type of guidance does a taut line provide?

Answer

Correct Answer: Vertical

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What is a common name for a track handle?

Answer

Correct Answer: Cursor

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What is a basic guidance mode that provides lateral guidance to a TACAN station?

Answer

Correct Answer: Tactical Air Navigation

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What is the acronym for Tactical Air Navigation?

Answer

Correct Answer: TACAN

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What is the range and bearing of a TCNP?

Answer

Correct Answer: Specified

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A measure of angle, 1 semi-circle = pi rad = how many deg?

Answer

Correct Answer: 180

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What is the process of choosing the "best" parameter from multiple copies of that parameter?

Answer

Correct Answer: Selecting

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What does the VTH define for the pattern type?

Answer

Correct Answer: Expanding square search pattern

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What is the rate of a periodic process?

Answer

Correct Answer: 1/T

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What type of process is sampled at a rate of 1/T?

Answer

Correct Answer: Periodic

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What type of error probability is used to specify test cases for one-dimension measurements?

Answer

Correct Answer: Radial

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What term is used to describe one-dimensional sensor errors?

Answer

Correct Answer: Radial error probability

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How long is an airplane's radar altitude?

Answer

Correct Answer: Ft

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What is the name of the radar altimeter?

Answer

Correct Answer: RADALT

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What is used to measure height above terrain?

Answer

Correct Answer: Radar altimeter

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What type of angle measurement represents attitude?

Answer

Correct Answer: Quaternions

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What are PBIT tests?

Answer

Correct Answer: Periodic built-in-test

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Where are the pedals on an aircraft automatically controlled?

Answer

Correct Answer: In modern aircraft

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What type of parameter is INTVAL?

Answer

Correct Answer: Guidance control law

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What is the units of INTLIM?

Answer

Correct Answer: Rad

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What is the name for the parameter generated by the lateral guidance modes?

Answer

Correct Answer: Integral limit

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What term describes a receiver that provides position information?

Answer

Correct Answer: OMEGA

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What is one example of an obstacle that an OA flight may avoid?

Answer

Correct Answer: Terrain

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What kind of function restrict input to a specific range?

Answer

Correct Answer: Normalizer

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What is a second-order filter?

Answer

Correct Answer: Omega sub n

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What is the typical name for the unit of frequency?

Answer

Correct Answer: Rad/s,Hz

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What is the goal of a nap-of-the-earth flight?

Answer

Correct Answer: Remain close to the earth

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What is the term used to describe flights that stay low to the ground?

Answer

Correct Answer: Nap-of-the-earth flight

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Where is the center of the glideslope?

Answer

Correct Answer: 200ft above the runway

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What is the symbol for the Meridian radius of curvature?

Answer

Correct Answer: Rho sub M

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What is MSL?

Answer

Correct Answer: Mean sea level

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What kind of beacons are MB?

Answer

Correct Answer: Marker beacon

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What type of heading does the aircraft have?

Answer

Correct Answer: Magnetic

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What are the symbols for the Magnetic Heading Sensor?

Answer

Correct Answer: Psi sub M

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What is the name of the position on earth north or south of the equator?

Answer

Correct Answer: Latitude

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What is the major output from Longitudinal Guidance?

Answer

Correct Answer: Speed error

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What is an example of a lateral related to latitude?

Answer

Correct Answer: Aircraft

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What kind of sensor provides warnings for long thin objects?

Answer

Correct Answer: Laser obstacle avoidance / terrain avoidance sensor

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What type of function can be modeled with a Laplace transform?

Answer

Correct Answer: Continuous

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What is the name of the mathematical relationship used to model a continuous function in the complex frequency domain?

Answer

Correct Answer: Laplace transforms

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Which type of filter combines multiple sources better than a single source?

Answer

Correct Answer: Kalman filter

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The rate of change of acceleration is called?

Answer

Correct Answer: Jerk

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What is an inertial navigation system?

Answer

Correct Answer: A self-contained Inertial Navigation System

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What is the name of the self contained navigation that is found in an inertial navigation unit?

Answer

Correct Answer: Inertial Navigation System

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What are two components of an INS?

Answer

Correct Answer: Gyroscopes and accelerometers

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What type of navigation system provides lateral, longitudinal, and vertical guidance?

Answer

Correct Answer: ILS

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What is the name of the course that is operated in the opposite direction of an airport's runway?

Answer

Correct Answer: ILS Back Course

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What does the SYM stand for?

Answer

Correct Answer: Hover hold

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What is provided by the Hover hold mode?

Answer

Correct Answer: Lateral guidance and longitudinal guidance

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What type of filter allows frequencies above a cutoff frequency to pass?

Answer

Correct Answer: High-pass filter

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What is the term for true north?

Answer

Correct Answer: Magnetic north

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What is the symbol for direction?

Answer

Correct Answer: Psi

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What is acceleration caused by the force of gravity?

Answer

Correct Answer: Gravitational acceleration

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What is the force that causes gravitational acceleration?

Answer

Correct Answer: The force of gravity

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What are the devices mounted to the platform to maintain a fixed attitude?

Answer

Correct Answer: Servomotors

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What is the name of the earth radius for the best fitting sphere at a given position?

Answer

Correct Answer: Gaussian radius of curvature

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What is another term for earth radius?

Answer

Correct Answer: Best sphere

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What is a flux valve used to measure?

Answer

Correct Answer: Magnetic flux

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What type of document gives information about an airplane's position?

Answer

Correct Answer: Position update

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What is the angle in the vertical plane of an airspeed vector and a groundspeed vector?

Answer

Correct Answer: Air-mass flight path angle

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What are the three cues used by a system to generate stick position cues?

Answer

Correct Answer: Pitch, roll, and throttle

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What is a FCS?

Answer

Correct Answer: A primary flight control system or an automatic flight control system

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What is often implemented in software as a difference equation of period T?

Answer

Correct Answer: First-order filter

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What is the earth's longitude referred to as?

Answer

Correct Answer: Latitude

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What are body coordinates?

Answer

Correct Answer: Stability coordinates

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What is the term for an angle in the vertical plane?

Answer

Correct Answer: Elevation

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What is the symbol for the earth's radius?

Answer

Correct Answer: Rho

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What is another name for DME?

Answer

Correct Answer: Distance Measuring Equipment

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On a digital map, data for what are provided by?

Answer

Correct Answer: Defense Mapping Agency

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DSO is the common interface for each variation of what?

Answer

Correct Answer: A particular device

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What does DSO stand for?

Answer

Correct Answer: Data Source Object

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What is the symbol for an underdamped second-order filter?

Answer

Correct Answer: Omega

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What is the name of the guidance control law parameter that limits the intercept angle of the flight path with a desired course?

Answer

Correct Answer: Cut Limit

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What are the limits of a CCLIM?

Answer

Correct Answer: 45deg

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What is the term for attaining an objective?

Answer

Correct Answer: Capture

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What could be a capture criterion?

Answer

Correct Answer: Radial

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CAS is used to indicate what?

Answer

Correct Answer: Airspeed

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BPF stands for what?

Answer

Correct Answer: Band-Pass Filter

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What is the unit used to measure barometric pressure?

Answer

Correct Answer: In HG,mbar

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What is the term for the amount of air that is in a given space?

Answer

Correct Answer: Pressure

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