Sensors, Actuators and Microcontrollers Set-1

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Instruction:-

  • Number of Questions : 25
  • Total Marks : 25
  • Each question carry 1 Marks.
  • No negative marking

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    #1. Which of the following is an input device used to detect physical quantities?

    #2. Which sensor is used to detect temperature?

    #3. An LDR is used to detect:

    #4. What does PIR sensor detect?

    #5. Which of these sensors is used in fire alarm systems?

    #6. A sound sensor converts sound into:

    #7. Which of these is not a sensor?

    #8. An ultrasonic sensor measures:

    #9. The output of most sensors is:

    #10. What does a gas sensor detect?

    #11. Which sensor is used in digital thermometers?

    #12. Which sensor is used to measure humidity?

    #13. What kind of signal does a digital sensor produce?

    #14. Which of these sensors is used in smartphones to auto-rotate the screen?

    #15. Which sensor is used to detect flames?

    #16. What is the main function of an actuator?

    #17. Which of the following is a type of actuator?

    #18. An actuator receives signals from:

    #19. Which actuator is used to open and close a robotic arm?

    #20. Solenoids are used for:

    #21. A servo motor can rotate to:

    #22. Which actuator is commonly used in drones and robotic joints?

    #23. Which actuator produces sound?

    #24. What kind of actuator is a speaker?

    #25. Which of the following is an electromechanical actuator?

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