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Quizzes > Quizzes for Business > Technology

Aircraft Technical Knowledge Quiz: Ready to Test?

Sharpen Your Aircraft Systems Proficiency Today

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting an airplane for an Aircraft Technical Knowledge Quiz

Curious about how well you understand aircraft design and systems? This Aircraft Technical Knowledge Quiz offers 15 targeted questions to test your aviation know-how. Perfect for students, technicians, and aviation enthusiasts seeking an Technical Knowledge Assessment Quiz or touching up on maintenance essentials. Every question is fully editable in our intuitive quiz editor, so you can tailor the experience to your needs. Looking for more challenges? Discover Aircraft Systems Knowledge Quiz and other quizzes to keep your skills fresh.

What is the primary function of an aircraft wing?
Generate lift
House avionics
Provide directional stability
Store fuel only
The wing generates lift by deflecting airflow above and below its surfaces. It is the main lift-producing component of an aircraft.
Which component of an airplane encloses the cockpit and passenger cabin?
Fuselage
Empennage
Wing spar
Landing gear
The fuselage is the central body structure that houses the crew, passengers, and cargo. It also provides mounting points for wings and tail components.
Which control surface primarily controls the aircraft's roll?
Aileron
Elevator
Rudder
Flaps
Ailerons are hinged surfaces on the trailing edge of each wing that move differentially to induce roll. Elevators control pitch, and the rudder controls yaw.
Which surface on the tail controls the aircraft's pitch?
Elevator
Stabilizer
Aileron
Spoiler
The elevator is a movable surface on the horizontal stabilizer that changes the aircraft's pitch attitude. The stabilizer itself provides stability but not direct pitch control.
Which control surface is used to manage yaw?
Rudder
Flaps
Spoilers
Slats
The rudder is the hinged surface on the vertical stabilizer that deflects airflow left or right to yaw the aircraft. Flaps and slats are used for lift and drag management.
What is the purpose of deploying flaps during takeoff?
Increase lift at lower speeds
Increase drag to slow the aircraft
Control yaw
Stabilize attitude in turbulence
Flaps extend from the trailing edge of the wing to increase camber and surface area, generating additional lift at lower speeds. This allows for shorter takeoff runs.
Which aerodynamic principle explains the pressure differential above and below a wing?
Bernoulli's principle
Archimedes' principle
Pascal's law
Newton's cooling
Bernoulli's principle states that an increase in fluid speed leads to a decrease in pressure, contributing to lift above the wing. Newton's laws also apply but this differential is classically attributed to Bernoulli.
Wingtip vortices are a byproduct of which phenomenon?
Induced drag
Parasite drag
Wave drag
Skin friction drag
Wingtip vortices form when high-pressure air from beneath the wing spills over the tip into the low-pressure region above, creating swirling airflow. This results in induced drag.
In a hydraulic system, what component stores fluid under pressure?
Accumulator
Reservoir
Pump
Actuator
An accumulator stores hydraulic fluid under pressure to dampen system pulsations and provide emergency power. The reservoir holds fluid at atmospheric pressure.
What does exhaust gas temperature (EGT) indicate in an engine?
Combustion efficiency
Oil pressure
Fuel flow rate
Compressor speed
EGT measures the temperature of the exhaust gases, reflecting how efficiently fuel and air are burned. Deviations can signal incorrect mixture or performance issues.
What is the primary purpose of an aircraft maintenance logbook?
Document maintenance for safety and compliance
Store spare parts inventory
Record passenger weights
Track flight plans
The maintenance logbook records all inspections, repairs, and compliance with airworthiness directives. It serves as a legal document demonstrating safety oversight.
In electrical schematics, which symbol represents a ground connection?
Three descending horizontal lines
Circle with an X
Zigzag line
Triangle with a line through it
The standard ground symbol consists of several descending lines of decreasing width. A zigzag line indicates a resistor, and a circle with an X often denotes a lamp.
Indicated airspeed differs from true airspeed because it does not account for what?
Density altitude
Magnetic variation
Control surface deflection
Hydraulic pressure
Indicated airspeed is based on pitot-static readings and is not corrected for air density variations at different altitudes or temperatures. True airspeed makes that correction.
What is the function of the pitot-static system?
Measure airspeed, altitude, and vertical speed
Control engine RPM
Operate landing gear
Inflate emergency slides
The pitot-static system supplies dynamic and static pressure to instruments like the airspeed indicator, altimeter, and variometer. It is essential for flight data.
If a hydraulic system fails to achieve normal pressure, what is the first troubleshooting step?
Check fluid level and filter condition
Replace the actuator
Increase engine power
Drain the reservoir
Low fluid level or a clogged filter are common and easily checked causes of pressure loss. Other components should be inspected only after ruling out basic issues.
Which structural component carries the greatest bending loads in a wing?
Main spar
Rib
Skin
Stringer
The main spar is the primary beam in the wing structure designed to resist bending and shear loads from lift forces. Ribs and stringers maintain shape and distribute loads.
During an engine oil system malfunction, a steady rise in oil temperature combined with a drop in oil pressure most likely indicates what?
Worn bearing clearances
Fuel pump failure
Clogged air filter
Hydraulic leak
Worn bearing clearances reduce oil pressure and create additional heat due to increased metal-to-metal contact. Fuel or hydraulic issues do not directly affect engine oil parameters.
In a hydraulic schematic, which symbol denotes a pressure relief valve?
Spring-loaded poppet with arrow pointing to reservoir
Triangle pointing right
Circle with an X
Zigzag line
A pressure relief valve is depicted as a spring-loaded poppet that diverts excess fluid back to the reservoir when pressure exceeds a set limit. Other symbols represent different components.
According to typical maintenance intervals, which inspection is required every 100 flight hours?
A check
C check
Annual inspection
Progressive inspection
An A check is a light maintenance inspection performed approximately every 100 flight hours or quarterly. Heavier C checks occur at much longer intervals.
On a compressor performance map, surge margin is defined as the difference between operating line and which boundary?
Surge line
Choke line
Stall region
Idle speed line
Surge margin is the distance from the compressor operating line to the surge line, indicating how close the compressor is to unstable flow conditions. It is critical for safe engine operation.
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Learning Outcomes

  1. Identify key aircraft structural components and their functions
  2. Analyse basic principles of aerodynamics in flight operations
  3. Apply knowledge of aircraft systems to troubleshooting scenarios
  4. Evaluate maintenance protocols for safety and compliance
  5. Demonstrate understanding of engine performance parameters
  6. Master interpretation of technical manuals and schematics

Cheat Sheet

  1. Primary Aircraft Structural Components - Get to know the fuselage, wings, empennage, and undercarriage, each part's unique role in flight stability and control. For example, the empennage acts like a tail-fin superhero, balancing pitch and yaw so you can soar smoothly. Airframe
  2. Four Fundamental Forces of Flight - Lift, weight, thrust, and drag are the four amigos that decide if your plane takes off or stays grounded. Remember the catchy mnemonic "L-W, T-D" to keep them in check for steady, worry-free flight. Forces of Flight
  3. Bernoulli's Principle and Lift - Discover how faster airflow over a wing's curved top surface creates lower pressure, magically lifting your aircraft skyward. It's all about pressure differences teaming up to defy gravity and keep you aloft. Bernoulli's Principle
  4. Common Aircraft Systems Overview - Dive into the hydraulic, electrical, fuel, and avionics systems that power every flight. The hydraulic system, for instance, flexes its muscles to extend landing gear and move control surfaces with precision. FAA Airframe Handbook
  5. Standard Maintenance Protocols - Routine inspections and airworthiness directives are your maintenance best friends, preventing nasty surprises in the air. Staying on top of these checks extends aircraft life and keeps safety levels sky-high. Aircraft Maintenance
  6. Engine Performance Parameters - Thrust, specific fuel consumption, and engine pressure ratio are the stats that show how efficiently an engine roars to life. Tuning into these metrics helps you assess power output and fuel economy in real time. Pilot's Handbook of Aeronautical Knowledge
  7. Interpreting Technical Manuals and Schematics - Unlock the secrets of dense manuals and complex diagrams to locate system components and understand their interconnections. Mastery here means faster troubleshooting and confident maintenance every time. FAA Airframe Handbook
  8. Flight Control Surfaces Principles - Ailerons, elevators, and rudders are your control-surface trio, guiding roll, pitch, and yaw movements. Understanding their dance makes every maneuver feel smooth and precise. Control Surfaces
  9. Weight and Balance Calculations - Accurate weight distribution is like balancing on a tightrope - get it wrong and stability suffers. Crunch the numbers correctly to ensure optimum handling and peak performance. Pilot's Handbook of Aeronautical Knowledge
  10. Aircraft Materials and Properties - From aluminum alloys to advanced composites, each material brings its unique blend of strength, weight, and durability. Choosing the right one can make or break an aircraft's efficiency and lifespan. FAA Airframe Handbook
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