Aircraft Systems MCQs
Which system is used to prevent the formation of ice on aircraft wings and engines?
a) De-icing system
b) Anti-icing system
c) Pressurization system
d) Fuel system
Answer: b) Anti-icing system
What is the purpose of the aircraft’s rudder?
a) To control pitch
b) To control roll
c) To control yaw
d) To deploy the landing gear
Answer: c) To control yaw
What is the main function of an aircraft’s thrust reverser?
a) To increase forward thrust
b) To reverse the direction of the aircraft during taxiing
c) To help slow down the aircraft after landing
d) To control the pitch of the aircraft
Answer: c) To help slow down the aircraft after landing
Which system in an aircraft controls the pressurization and ventilation of the cabin?
a) Hydraulic system
b) Environmental control system
c) Fuel system
d) Electrical system
Answer: b) Environmental control system
What is the primary purpose of the aircraft’s electrical bus system?
a) To distribute electrical power to various systems
b) To monitor fuel flow
c) To control the flight controls
d) To manage cabin pressure
Answer: a) To distribute electrical power to various systems
What is the role of the aircraft’s static dischargers?
a) To control the flight surfaces
b) To manage fuel efficiency
c) To discharge static electricity into the atmosphere
d) To regulate cabin pressure
Answer: c) To discharge static electricity into the atmosphere
Which system uses a gyroscope to maintain orientation and stability in flight?
a) Electrical system
b) Flight control system
c) Attitude and heading reference system (AHRS)
d) Fuel system
Answer: c) Attitude and heading reference system (AHRS)
What does the EICAS (Engine Indicating and Crew Alerting System) in an aircraft do?
a) It provides real-time engine performance data and system alerts to the crew
b) It monitors fuel levels
c) It controls cabin pressure
d) It assists in navigation
Answer: a) It provides real-time engine performance data and system alerts to the crew
What is the function of the aircraft’s stall warning system?
a) To alert the pilot when the aircraft is exceeding its maximum speed
b) To warn the pilot of an impending aerodynamic stall
c) To monitor fuel flow
d) To assist in landing
Answer: b) To warn the pilot of an impending aerodynamic stall
Which system in an aircraft is responsible for detecting and controlling cabin fire?
a) Fuel system
b) Hydraulic system
c) Fire detection and suppression system
d) Environmental control system
Answer: c) Fire detection and suppression system
What is the purpose of an aircraft’s air data computer (ADC)?
a) To control the aircraft’s navigation
b) To process airspeed, altitude, and temperature data
c) To manage fuel consumption
d) To provide engine power
Answer: b) To process airspeed, altitude, and temperature data
What is the main function of the aircraft’s trim system?
a) To stabilize the aircraft’s altitude
b) To adjust the control surfaces to relieve control forces
c) To control engine power
d) To manage fuel distribution
Answer: b) To adjust the control surfaces to relieve control forces
Which system provides pilots with weather information during flight?
a) GPS
b) VOR
c) Weather radar
d) ADF
Answer: c) Weather radar
What is the purpose of the aircraft’s flight management system (FMS)?
a) To control the landing gear
b) To automate in-flight tasks such as navigation, performance, and flight planning
c) To manage the hydraulic system
d) To control the engine power
Answer: b) To automate in-flight tasks such as navigation, performance, and flight planning
What does the acronym “EFIS” stand for in aircraft systems?
a) Electrical Flight Information System
b) Electronic Flight Instrument System
c) Engine Fuel Indicating System
d) Emergency Flight Indicating System
Answer: b) Electronic Flight Instrument System
Which system is used to control the position of the aircraft’s ailerons, elevators, and rudder?
a) Fuel system
b) Hydraulic system
c) Environmental control system
d) Flight control system
Answer: d) Flight control system
What is the purpose of an aircraft’s VOR (VHF Omnidirectional Range) system?
a) To provide GPS coordinates
b) To assist in navigation by providing directional information
c) To monitor engine performance
d) To manage fuel efficiency
Answer: b) To assist in navigation by providing directional information
What is the function of the aircraft’s transponder in Mode C?
a) To provide altitude information to ATC
b) To detect nearby aircraft
c) To monitor cabin pressure
d) To control the autopilot
Answer: a) To provide altitude information to ATC
Which component is responsible for stabilizing the aircraft during flight?
a) Flaps
b) Stabilator
c) Spoilers
d) Autopilot
Answer: b) Stabilator