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Questions and Answers
The bulb of extreme thermometers (Max & Min) is placed higher than the stem when mounted on suitable supports.
The bulb of extreme thermometers (Max & Min) is placed higher than the stem when mounted on suitable supports.
False
Field checks and calibration for liquid-in-glass thermometers should be done once a year to prevent zero changes.
Field checks and calibration for liquid-in-glass thermometers should be done once a year to prevent zero changes.
False
It is recommended to store thermometers in a horizontal position at room temperature before starting the checking process.
It is recommended to store thermometers in a horizontal position at room temperature before starting the checking process.
False
The ice point calibration can be done by filling a Dewar flask with crushed ice made from tap water.
The ice point calibration can be done by filling a Dewar flask with crushed ice made from tap water.
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National testing institutions are responsible for carrying out field checks and calibrations of thermometers.
National testing institutions are responsible for carrying out field checks and calibrations of thermometers.
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Thermometers in a thermometer screen placed on a support are always exposed to direct sunlight.
Thermometers in a thermometer screen placed on a support are always exposed to direct sunlight.
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Extreme thermometers (Max & Min) are inclined at an angle of about 2° from the vertical position.
Extreme thermometers (Max & Min) are inclined at an angle of about 2° from the vertical position.
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Laboratory calibration of liquid-in-glass thermometers should be done using a liquid bath.
Laboratory calibration of liquid-in-glass thermometers should be done using a liquid bath.
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It is necessary to allow at least 15 minutes for the thermometer to adjust to the ice temperature before taking a reading during ice point calibration.
It is necessary to allow at least 15 minutes for the thermometer to adjust to the ice temperature before taking a reading during ice point calibration.
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Regular checking of liquid-in-glass thermometers is recommended to prevent sudden zero changes.
Regular checking of liquid-in-glass thermometers is recommended to prevent sudden zero changes.
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