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Q: The relative humidity is measured with the help of:
  • A. Piezoelectric meter
  • B. Hygrometer
  • C. Tensiometer
  • D. Humidograph
Correct Answer: Option B - Instrument Uses Piezoelectric It is an electro acoustic meter transducer use for conversion of pressure or mechanical stress into an alternating electrical force Hygrometer It is instrument used in meteorological science to measure the humidity, or amount of water vapour in the air. Aerometer It is an instrument designed to measure the density (among other parameters) of the air and some gases. Barometer A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. Tensiometer It is a device for measuring soil water tension.
B. Instrument Uses Piezoelectric It is an electro acoustic meter transducer use for conversion of pressure or mechanical stress into an alternating electrical force Hygrometer It is instrument used in meteorological science to measure the humidity, or amount of water vapour in the air. Aerometer It is an instrument designed to measure the density (among other parameters) of the air and some gases. Barometer A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. Tensiometer It is a device for measuring soil water tension.

Explanations:

Instrument Uses Piezoelectric It is an electro acoustic meter transducer use for conversion of pressure or mechanical stress into an alternating electrical force Hygrometer It is instrument used in meteorological science to measure the humidity, or amount of water vapour in the air. Aerometer It is an instrument designed to measure the density (among other parameters) of the air and some gases. Barometer A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. Tensiometer It is a device for measuring soil water tension.