Review Quiz Weeks 4, 5 & 6 - FW Flight Control Rigging & Hydraulic Flight Controls & Autopilots
Flight Control Systems Mastery Quiz
Test your knowledge on hydraulic flight controls, autopilots, and rigging procedures in this comprehensive quiz aimed at aviation enthusiasts and professionals. Whether you're a student or a seasoned pilot, this quiz covers essential topics to reinforce your understanding of flight control mechanisms.
- 36 thought-provoking questions
- Covers both theory and practical applications
- Ideal for aspiring pilots and aviation technicians
In accordance with the instructions for the Autorotation Test Flight, which of the following is NOT one of the parameters that you are supposed to record during the flight from the aircraft instruments?
Pressure Altitude
Outside Air Temperature (O.A.T.)
Density Altitude
Main Rotor Tachometer (Nr) reading
In accordance with the instructions for the Autorotation Chart, which of the following is NOT one of the variable parameters that you are supposed to use in order to determine if your main rotor blade angles are adjusted to the correct angle when the collective is full down?
Density Altitude
Helicopter Forward Speed
Gross Weight
Main Rotor Tachometer (Nr) reading
If it is determined during the Autorotation Test Flight and calculation using the Autorotation Chart the the speed of the rotor system it too fast, then what can be done to rectify this situation?
Adjust Collective High Pitch Stop
Increase blade angles
Decrease blade angles
Adjust Cyclic High Pitch Stop
As it relates to material discussed regarding Symmetry or Alignment Inspection, what is the name of the check or inspection that measures the upward angle of the wing spar from the root to the tip?
Angle of Incidence Check or Inspection
Control Travel Check or Inspection
Boxing Check or Inspection
Dihedral Check or Inspection
As it relates to the material regarding Symmetry or Alignment Inspection, what is the name of the check or inspection that measures the "Wash In" or "Wash Out" of the wing?
Angle of Incidence Check or Inspection
Boxing Check or Inspection
Dihedral Check or Inspection
Control Travel Check or Inspection
As it relates to the material regarding Symmetry or Alignment Inspection, what is the name of the check or inspection that measures between two fixed points on one side of the aircraft and compares it to the measurement of the same two fixed points on the other side of the aircraft ?
Boxing Check or Inspection
Control Travel Check or Inspection
Angle of Incidence Check or Inspection
Dihedral Check or Inspection
What are you inspecting when checking the dihedral angle during the symmetry check procedure on an aircraft like the Pipers in the A Hangar?
The off-set angle of the vertical Stabilizer
The angle of incidence of the wing at various points along the span of the wing
The distances between various opposing fixed points on the aircraft for twist
The positive angle along the length of the spar from wing root to wing tip
When discussion Hydraulic Flight Control Systems, which of the following is not one of the types of actuation devices that are powered by hydraulic fluid
Servo Assembly
Electro-hydraulic Servo Unit
Power Control Unit
Retract Actuator
What is the term used to describe the selector valve's ability to shut itself off when it reaches the desired position?
Self-Actuating
Self-Controlling
Self-Nulling
Self-Absorbing
When discussing the operation of a Servo Boosted Hydraulic Flight Control System what was the term called that allowed the system to operate without any hydraulic pressure?
Self-Nulling
Mechanical Reversion
Flying by wire
It cannot operate without hydraulic power
What is the main operating concept of the Hydro-Mechanical Flight Control System?
Hydraulically operated input moves a series of cables, bell cranks or quadrants and push-pull rods that move a control surface.
Manual input sends an electrical signal to a to a hydraulic motor that drives a flight control surface
Manual input moves a series of cables, bell cranks or quadrants and push-pull rods that manipulate a valve on a hydraulic actuator
Manual input sends an electrical signal to a computer that operates an electrical valve on the hydraulic actuator controlling its extension and retraction
During discussions relating to the principles of redundancy for hydraulic flight control systems, which of the following statements BEST describes the operating principles of Hydro-Mechanical Flight Control Systems?
Multiple Actuators at each control surface powered by a single common hydraulic system
Mechanical back-up linked from the input through the control system directly attached to each control surface.
Multiple Hydraulic Systems feeding each actuator at every control surface
Multiple hydraulic systems on the aircraft with at least two actuators at each control surface being fed by a different hydraulic systems
Which of the following is an advantage of using Hydro-Mechanical Flight Control Systems?
Pilot does not need to provide input all control is automated
Increased weight and complexity
More complex troubleshooting
Increased redundancy and reliability
When dealing with any type of hydraulic flight control system, what is meant by the term "Self-Nulling"?
Automatic switching to an alternate hydraulic system when there is a pump failure
The ability for the system to know what the flight operation stress limits are for the aircraft and automatically fly in that range
Know that it should not always respond to the pilot's input and to ignore them when they are incorrect
The ability for the valves to shut themselves off or stop moving when they get to the desired position
One of the advantages of Hydraulic Flight Controls is reliability. During our discussion of the CRJ & Airbus, in order to provide redundancy, how many hydraulic systems are installed on these aircraft as required in the design standards for airliners?
1 system
5 systems
3 systems
2 systems
Which type of hydraulic flight control system is a hydraulically assisted system with full manual reversion should it loose hydraulics
Servo Boosted Flight Control System
Fly-by-light System
Fly-by-wire System
Hydro-mechanical Flight Control system
Which type of hydraulic flight control system uses a series of cables, quadrants and push/pull rods to move hydraulic valves at the actuators that will not function in the same manner to control the aircraft if hydraulic fluid pressure is lost?
Fly-by-wire Flight Control System
Hydro-mechanical Flight Control System
Servo-boosted Flight Control System
Fly-by-light Flight Control System
Why are hydraulic flight control systems used on larger modern aircraft?
This is because both helicopters and large aircraft are unable to fly at all without hydraulic assist
It was available to assist with braking and steering in the automotive world so it was moved into aviation
To reduce workload for pilots in order to comply with the North Americal Pilot's Association legal requirements
Reduce the input force required by the pilot for aircraft with larger control surfaces and increased air loads caused by higher speeds
What is the basic operating principle of fly-by-wire technology?
Pilot input is fed directly to the control surface through a series of cables, bell cranks and push-pull rods
Pilot input is fed to a computer through electrical leads that determines an action and powers an electrically operated valve controlling an actuator that moves the flight control
Pilot input sends power directly to an electrically operated valve controlling an actuator that moves the flight control
Pilot input is fed to a computer through electrical leads that determines an action and powers a servo motor to a cable system that drives the flight control
What device is used to tell the computer the extension or retraction position of the hydraulic actuator or ram?
RVDT – Rotary Variable Dimensions Transporter
LVDTI – Linear Variable Dimensional Transverse-mounted Indicator
RPTI – Rotary Potentiometer Transformer Indicator
LVDT – Linear Variable Differential Transducer
Which type of flight control system uses fiber optic cables to carry multiple electrical signals from the input to the computers and the actuators
Fly-by-wire flight control system
Electric-flux-capacitor flight control system
Electric fusion flight control system
Fly-by-light flight control system
Where does the signal from the pilot input such as the side stick go in the Fly-By-Wire system?
Directly to the autopilot computer.
Directly to the Linear Variable Dimensional Transverse-mounted (LVDT) actuator
Directly to the Electro-Hydraulic Servo Valve inside the flight control actuator
Directly to the flight computers
Which type of hydraulic flight control system replaces cables, quadrants and push/pull rods with electrically operated valves on hydraulic actuators?
Hydro-electric Flight Control Systems
Servo-boosted Flight Control System
Electro-mechanical Flight Control System
Fly-By-Wire Flight Control System
Where does the signal go first from the pilot's side stick in the Fly-by-wire Flight Control System
Directly to the Autopilot Computer
Directly to the Electro-hydraulic Servo Valve
Directly into the Linear Variable Dimensional Transverse-mounted Actuator
Directly into the Flight Computers
What device is used to tell the computer the extension or retraction position of the aileron hydraulic?
RVDT - Rotary Variable Dimensional Transporter
RPTI - Rotary Potentiometer Transformer Indicator
LVDT - Linear Variable Differential Transducer
LVDT - Linear Variable Dimensions Transverse-mounted Indicator
Which type of hydraulic flight control system uses fiber optic cables carrying multiple signals to send information from the inputs (controls) to the computers and the actuators?
Fly-by-wire Flight Control System
Bell Fibe Flight Control System
Fly-by-light Flight Control System
Electro-flux-capacitor Flight Control System
What is the name of the device used to prevent the nose over tenancy of the aircraft as the Center of pressure (or center of lift) moves rearward along the chord line of the wing as the aircraft approaches and exceeds beyond Trans-sonic Flight Speeds?
Canard Wing Trim Servo
Trans-sonic Trim
Anti Mack Tuck Servo
Mach Trim
The Three Axis Autopilot is found on all small fixed wing aircraft
True
False
Which Autopilot Mode uses selected direction on a flight instrument such as a VOR or a Horizontal Situation Indicator to fly to and track a transmitted radio signal?
ILS Mode
NAV Mode
HDG Mode
Altitude Hold Mode
Which Autopilot Mode captures a transmitted signal and then tracks along that signal to the transmitting station?
Altitude Hold Mode
ILS Mode
HDG Mode
NAV Mode
Which Autopilot Mode uses Landing Guidance, Localizer and Glide-slope to fly the aircraft?
HDG Mode
ILS Mode
NAV Mode
Altitude Hold Mode
On small cable operated flight control system aircraft, the Autopilot Servos can be connected to either the primary or secondary flight control systems depending upon the aircraft?
True
False
What type of autopilot system uses only a wing leveler on the ailerons and an altitude hold device on the elevator and which Axis are they controlling?
Single axis Autopilot and controls movement around the Pitch Axis
Two axis Autopilot and controls movement around the Roll & Pitch Axis
Two axis Autopilot and the controls movement around Roll & Vertical Axis
Multi-axis Autopilot and controls movement around the Pitch and the Lateral Axis
A single axis autopilot will usually control which of the following flight control system?
Flaps
Elevator
Aileron
Rudder
Which device within the Autopilot system is used to counteract the flight phenomena known as "Dutch Roll" on a larger swept-winged aircraft?
Pitch Damper
Roll Damper
Gyroscopic Dampener
Yaw Damper
The Two-axis Autopilot will generally manipulate which flight control surfaces?
Ailerons and Flaps
Ailerons & Rudder
Ailerons and Elevator
Rudder & Elevator
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