AERO-BOTRIX

What is the main function of a drone’s propellers?

a) Provide wireless communication

b) Generate lift and thrust

c) Reduce vibration

d) Store electrical energy

• A

• B

• C

• D

Which frame shape is the most versatile and widely used in drones?

a) Plus-shape

b) H-shape

c) X-shape

d) V-tail

• A

• B

• C

• D

Why is carbon fiber commonly used in drone frames?

a) Cheap and flexible

b) Lightweight and strong

c) Conductive for power supply

d) Provides longer flight times

• A

• B

• C

• D

What is the role of capacitors near power terminals?

a) Store flight data

b) Absorb voltage spikes and smooth power

c) Reduce weight of the drone

d) Increase motor torque

• A

• B

• C

• D

Which force opposes the forward motion of a drone?

a) Lift

b) Weight

c) Drag

d) Thrust

• A

• B

• C

• D

A drone uses diagonal propellers spinning in opposite directions to:

a) Increase speed

b) Save battery power

c) Reduce drag

d) Cancel torque and stabilize yaw

• A

• B

• C

• D

Which sensor combines both acceleration and angular velocity measurements?

a) Barometer

b) GPS

c) Magnetometer

d) IMU (accelerometer + gyroscope)

• A

• B

• C

• D

What happens if a drone’s Center of Gravity (CoG) is off-center?

a) Stable flight with longer endurance

b) Increased thrust efficiency

c) Faster yaw control

d) Unstable flight requiring constant corrections

• A

• B

• C

• D

The AMS1117 regulator in drone electronics provides:

a) 5V to motors

b) 7.4V direct battery output

c) Variable voltage for LEDs

d) 3.3V stable power to MCU and sensors

• A

• B

• C

• D

What advantage do switching regulators (buck converters) have over linear regulators?

a) Cheaper cost

b) No need for capacitors

c) Lower efficiency but easier design

d)Higher efficiency and less heat generation

• A

• B

• C

• D