MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
________ sensors measure the electrical change in devices such as conductive polymers. |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» E. | |
| 2. |
Which sensors measure the moisture level using humidity? |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» B. Resistive Sensor | |
| 3. |
Relative humidity is a function of ________ |
| A. | Ambient temperature |
| B. | Water vapor pressure |
| C. | Ambient temperature and Water vapor pressure |
| D. | Dryness |
| Answer» D. Dryness | |
| 4. |
Electronic type hygrometers are divided into how many types? |
| A. | 5 types |
| B. | 3 types |
| C. | 4 types |
| D. | 2 types |
| Answer» E. | |
| 5. |
RELATIVE_HUMIDITY_IS_A_FUNCTION_OF_________?$ |
| A. | Ambient temperature |
| B. | Water vapor pressure |
| C. | Ambient temperature and Water vapor pressure |
| D. | Dryness |
| Answer» D. Dryness | |
| 6. |
ELECTRONIC_TYPE_HYGROMETERS_ARE_DIVIDED_INTO_HOW_MANY_TYPES??$ |
| A. | 5 types |
| B. | 3 types |
| C. | 4 types |
| D. | 2 types |
| Answer» E. | |
| 7. |
________ sensors measure the electrical change in devices such as conductive polymers.$ |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» E. | |
| 8. |
Which sensors measure the moisture level using humidity?$ |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» B. Resistive Sensor | |
| 9. |
Capacitive RH sensors dominate __________ measurements. |
| A. | Atmospheric |
| B. | Process |
| C. | Both atmospheric and process |
| D. | Neither atmospheric nor process |
| Answer» D. Neither atmospheric nor process | |
| 10. |
Are capacitive sensors linear? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
________ sensors are suitable for environments that have high temperatures. |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» D. Both resistive and conductive | |
| 12. |
Humidity sensors are divided into how many types and depending on what? |
| A. | 2 types depending on output |
| B. | 2 types depending on measurement units |
| C. | 3 types depending on measurement units |
| D. | 3 types depending on output |
| Answer» C. 3 types depending on measurement units | |
| 13. |
Units for Due point is _______ |
| A. | gram/m<sup>3</sup> |
| B. | % by volume |
| C. | PPMV |
| D. | <sup>o</sup>C |
| Answer» E. | |
| 14. |
Units for Absolute Humidity is ________ |
| A. | grams/m<sup>3</sup> |
| B. | % by volume |
| C. | PPMV |
| D. | % |
| Answer» B. % by volume | |
| 15. |
Dew point and Fost point are mainly used in which conditions? |
| A. | Water vapor |
| B. | Pressure of gas |
| C. | Dryness of gas |
| D. | Moisture in gas |
| Answer» D. Moisture in gas | |
| 16. |
Units for Humidity sensor____________ |
| A. | Dew/fost point or Relative Humidity |
| B. | Relative Humidity or Parts Per Million |
| C. | Dew/fost point or Parts Per Million |
| D. | Dew/fost point or Parts Per Million or Relative Humidity |
| Answer» E. | |
| 17. |
What is humidity sensor? |
| A. | Hygrometer |
| B. | Gyroscope |
| C. | Sesimoscope |
| D. | Sundial |
| Answer» B. Gyroscope | |
| 18. |
DHT11 is __________ sensor. |
| A. | Proximity sensor |
| B. | Humidity sensor |
| C. | Touch sensor |
| D. | Pressure sensor |
| Answer» C. Touch sensor | |