What are the principle of six's maximum and minimum thermometer .
Answers
Six’s Maximum and Minimum thermometer is a U shaped parallel tube made up of glass. One side registers the maximum temperature and the other side records the minimum temperature.
The bend at the bottom of the thermometer contains mercury which moves up or down based on the expansion and contraction of alcohol.
When the temperature rises, the alcohol expands and pushes the mercury up the maximum column. This also pushes the mercury down in the minimum column.
Similarly, when the temperature falls, the alcohol contracts and pulls the mercury up in the minimum column resulting in a fall of mercury in the maximum column.
The steel indexes are located on the surface of mercury. They move along with the flow of mercury up and down.
When the temperature reaches its maximum and minimum limits, the metal indexes remain at that place. This helps in recording the maximum and minimum temperatures of the day.
The principle of six's maximum and minimum thermometer.
- The six's maximum and the minimum thermometer is used for measuring the temperature. This thermometer consists of a U-shaped capillary tube with bulbs at two ends.
- U shaped tube is filled with mercury. One of the bulbs is completely filled with alcohol but another bulb partly filled with alcohol.
- The thermometric liquid in alcohol is to record the expansion and contraction of changes in temperature.
Maximum temperature:
- The rise in temperature during the day, the alcohol is completely filled bulb expands.
- When mercury moves toward the partly-filled bulb and pushes up the index in the capillary closer to the partly-filled bulb.
Minimum temperature:
- The fall in temperature during the night, the alcohol in completely filled bulb contracts.
- If mercury moves toward the completely-filled bulb and pushes up the index in the capillary closer to the completely-filled bulb.
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