write down the the cause of capillary rise and depression
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A Capillary Tube is a refrigerant flow control tube with a calibrated inner diameter and length. It also connects the thermostatic expansion valve to the remote bulb and/or the thermostat to the remote bulb. The refrigerant enters the capillary tube as a liquid, and as it runs down the tube, the pressure lowers due to friction and the refrigerant's acceleration. As the refrigerant passes through the tube, some of the liquid turns to vapour.
A Capillary Tube is a refrigerant flow control tube with a calibrated inner diameter and length. It also connects the thermostatic expansion valve to the remote bulb and/or the thermostat to the remote bulb. The refrigerant enters the capillary tube as a liquid, and as it runs down the tube, the pressure lowers due to friction and the refrigerant's acceleration. As the refrigerant passes through the tube, some of the liquid turns to vapour.Complete step-by-step solution:
Capillary action is the process of a liquid moving in small areas without the aid of external forces like gravity, or even in opposition to them. Liquids can be drawn up between the hairs of a paintbrush, in a narrow tube, in porous materials like paper and plaster, in non-porous materials like sand and liquefied carbon fibre, or in a biological cell. Intermolecular forces between the liquid and the surrounding solid surfaces produce this. If the tube's diameter is small enough, the liquid is propelled by a combination of surface tension and adhesion forces between the liquid and the container wall. Capillary depression occurs when the cohesive force between the molecules of the liquid is higher than the adhesive force between the molecules of the liquid and the molecules of the container. Mercury has a capillary depression. Capillary depression occurs when the meniscus of a liquid in a tube is depressed because the liquid does not moisten the container's walls.
Capillary action is the process of a liquid moving in small areas without the aid of external forces like gravity, or even in opposition to them. Liquids can be drawn up between the hairs of a paintbrush, in a narrow tube, in porous materials like paper and plaster, in non-porous materials like sand and liquefied carbon fibre, or in a biological cell. Intermolecular forces between the liquid and the surrounding solid surfaces produce this. If the tube's diameter is small enough, the liquid is propelled by a combination of surface tension and adhesion forces between the liquid and the container wall. Capillary depression occurs when the cohesive force between the molecules of the liquid is higher than the adhesive force between the molecules of the liquid and the molecules of the container. Mercury has a capillary depression. Capillary depression occurs when the meniscus of a liquid in a tube is depressed because the liquid does not moisten the container's walls.Note:The capillary action syphon is a practical use of capillary action. Instead of a hollow tube (as in most syphons), this device is constructed up of a length of fibrous rope (cotton cord or string works well). One (weighted) end of the cord is placed in a reservoir full of water, and the other end is placed in a receiving vessel once it has been saturated with water. The receiving vessel must be higher than the reservoir. Water will slowly move from the reservoir to the receiving vessel due to capillary action and gravity. When no one is home, this simple gadget may be used to water houseplants.
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