eb round 2

You are building a weather station with Arduino and want to measure the temperature. Which sensor

would be most suitable for this application?

• Ultrasonic sensor

• PIR motion sensor

• DHT11 temperature and humidity sensor

• LDR (Light Dependent

  resistor)

You are designing a system to detect the presence of an object on a conveyor belt. Which sensor

would you use?

• Ultrasonic sensor

• IR (Infrared) sensor

• Pressure sensor

• Flex sensor

You want to build a smart home system that automatically turns on the lights when someone enters a

room. Which sensor would you use for detecting human presence?

• Ultrasonic sensor

• DHT11 temperature and humidity sensor

• PIR motion sensor

• Sound sensor

You are developing a project that requires you to measure the distance between two objects. Which

sensor would you use?

• PIR motion sensor

• Ultrasonic sensor

• Gas sensor

• Soil moisture sensor

You are creating a project to monitor soil moisture for a plant. Which sensor would you use?

• Flex sensor

• Ultrasonic sensor

• Soil moisture sensor

• D) Pressure sensor

You are designing an autonomous drone that needs to detect obstacles in its path. Which sensor

would be most suitable for this application?

• Ultrasonic sensor

• LiDAR sensor

• Color sensor

• Touch sensor

You are developing a system to monitor air quality in a smart city environment. Which sensor would

you use to measure particulate matter (PM) levels?

• Gas sensor

• CO2 sensor

• Dust sensor

• pH sensor

You are creating a security system that needs to detect the presence of unauthorized individuals in a

restricted area. Which sensor would you use for this purpose?

• Ultrasonic sensor

• Capacitive sensor

• Laser sensor

• Microwave sensor

You are building a robotic arm that needs to detect the weight of objects it picks up. Which sensor

would you use to measure the weight?

• Force-sensitive resistor (FSR)

• Load cell

• Strain gauge

• Pressure sensor

You are developing a project that requires you to detect the color of an object. Which sensor would

you use for color detection?

• RGB sensor

• Colorimeter

• Spectrometer

• CCD sensor