a liquid filled thermometer reacts to the temperature it is subject to; by the liquid increasing in pressure and expanding , which results in movement of the liquid /"medium" that is used to fill it ; in most cases ;; Mercury substance .
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note , whilst the most common type of device used is the Mercury in glass thermometer which is used in science laboratories .
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but be aware that there are other types used; but in industrial applications.
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1 type used in a engineering role ; is mercury in steel type of thermometer detector .
this is a measuring device which has a steel sensor device ; maybe about 2 inches 50 . mm . length , and this is joined to a steel capillary tube which has some degree of flexibility , and will have a long length until it is connected to the measuring scale .
the capillary tube has a hollow interior , which allows the mercury fluid to move within when subject to heat / and expand .
the increase in pressure is effected to another device called the measuring pressure tube .
the tube is commonly known as a bourdon tube pressure gauge .
and once again the capillary tube will be connected physically to the gauge tube .
the increase in mercury pressure , will cause the fluid substance to expand and move upwards in the capillary tube to the bourdon tube in the gauge .
this action causes the bourdon tube to move by deflection , in an arc because the tube is tensile, and causes itself to move outward and this small movement , is transmitted by a small brass gear mechanism linkage to a central pointer system , which when moved and effected appears to move across a scale which consequently indicates a value on a scale .
and the operator can read off a value from the measuring scale .
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so the properties of a liquid filled thermometer are ;
it should have a safe method of being sealed fully across its structure body between the measuring sensing device to the measuring scale .
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this is because the accuracy of measuring system depends on the sealing .
and because the interior will contain a substance which is harmful to health .,
and the repeatability of measuring accuracy depends on safe
e sealing of pressure whithin the system,
A thermometric scale is a system for measuring temperature. It is typically defined by two fixed points, such as the freezing and boiling points of water, with increments marked between them. Common examples include the Celsius and Fahrenheit scales.
Liquid nitrogen was first discovered by Scottish physicist James Dewar in 1898. Dewar was experimenting with the properties of gases at low temperatures when he noticed nitrogen turning into a liquid state.
Bromine is the only non-metallic element that is a liquid at room temperature, with a unique reddish-brown color and strong odor. Mercury is the only metal that is a liquid at room temperature and is a good conductor of electricity. Both elements have interesting properties that make them stand out from other elements on the periodic table.
Pockets of gas in a liquid are bubbles trapped within the liquid. These gas bubbles can be formed through processes such as agitation, heating, or chemical reactions. The presence of these gas pockets can affect the properties of the liquid, such as its density and visibility.
Yes, liquid nitrogen can become contaminated if it comes into contact with substances or materials that are not meant to be frozen or stored in liquid nitrogen. Contamination can affect the purity and properties of the liquid nitrogen, so it is important to handle and store it properly to prevent contamination.
what are the qualities of mercury over alchoholic as thermometric liquid
No, mass is not a thermometric property. Thermometric properties are characteristics that can be easily measured with a thermometer, such as temperature. Mass is a measure of the amount of matter in an object and is not related to temperature.
Mercury the liquid inside thermometer is mercury.. but it is called thermometric liquid.
Thermometric substances are materials that are sensitive to changes in temperature and can be used to measure it. Examples include mercury, alcohol, and liquid crystal.
Thermometric liquid is the liquid found in the thermometer that help in the up and down movement of the temperature.
Thermometric liquid is a liquid used in thermometers to measure temperature changes. Common examples include mercury and colored alcohol, which expand or contract in response to temperature variations, allowing for precise readings. The choice of thermometric liquid depends on the temperature range and the desired accuracy of the thermometer. Mercury is often used for high-temperature measurements, while alcohol is favored for lower temperatures due to its lower freezing point.
varies with temp. in a reproducible way, rapid response , accurate
when objects are heated or cooled, their temperatures change, along with some of their properties, these properties are known as Thermometric Properties. Examples include: when objects are heated, they expand, when they are cooled, they shrink. Another is, if an object is heated, its' gaseos pressure will increase and will decrease when object is cooled.Read more: What_are_thermometric_properties
Thermometric liquids are liquids that expand and contract uniformly with changes in temperature. They have high thermal conductivity and low freezing and boiling points. Common examples include mercury, alcohol, and kerosene.
Mercury is considered an ideal thermometric liquid because it has a wide temperature range over which it remains a liquid, from -39°C to 356°C. It also has a high thermal conductivity, making it respond quickly to temperature changes. Additionally, it has a uniform coefficient of expansion, leading to consistent and accurate temperature measurements.
Helium gas was used as a thermometric fluid"
Alcohol is preferred as a thermometric liquid substance due to its wide range of liquid state temperatures, which allows for accurate measurement across a broad spectrum. Additionally, alcohol has a low freezing point, making it suitable for use in cold environments. Its low viscosity ensures quick and consistent response to temperature changes, making it a reliable choice for various thermometric applications.