presentation slide on mercury thermometer
TRANSCRIPT
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WELCOME EVERYBODY
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We are Presenting………. Mercury Thermometer
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History Inventor Daniel Gabriel Fahrenheit (24 May 1686-16 September 1736)
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What is Thermometer?
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Mercury is Used Because…….• Rapid heat conductor• Linear expansion• Low freezing point (-400c), high boiling point (3570c)• No capillary force between mercury and tube• Mercury does not wet the tube Surface
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Structure Of Mercury Thermometer
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Uses of Mercury Thermometer ?
Fever MeasurementFood Temperature measurementRoom Temperature measurement Industrial Product’s Temperature
measurementDetermine Liquid Temperature
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Basic PrincipalsFarenheitProper Lines Indication 1 degreeShort Line indicate .2 degree
CelciousLong Line indicate 1 degree or .5 degreeShort Line indicate .1 degree
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AdvantageCheapDurableAccurateEasily Calibrated
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Disadvantage Display is harder to read. Does not work below -390C. Cannot be used for thermograph. Slow response. Mercury vapor is poisonous.
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THANKS TO EVERYBODY