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Capillary tubes are used in a variety of applications including medical, thermometers, science, and technology.

Advantages of capillary tubes are:

1. They are inexpensive and simple.

2. No maintenance is required because they have no moving parts.

3. In technology, they reduce the starting torque of the motor by providing an open connection between the condenser and the evaporator

Disadvantages :

1. They cannot adjust themselves to changing flow conditions

2. They are susceptible to clogging because the bore is so narrow. A filter should be used to prevent entry of particles or moisture.

3. In technology, specially refrigerant and HVAC, flooding of the evaporator may occur and damage to the compressor may result upon start up.

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Why mercury falls in capillary tube?

Mercury falls in a capillary tube due to the combination of capillary action and gravity. Capillary action is the tendency of a liquid to be drawn up into a narrow tube against the force of gravity. When the adhesive forces between the mercury and the walls of the capillary tube are greater than the cohesive forces within the mercury, the mercury will move downward in the tube.


Why a capillary tube is put in a fusion tube?

A capillary tube is placed in a fusion tube to allow for precise temperature measurement and control during the fusion process. The capillary tube contains a small sample that can be heated uniformly, enabling the observation of the sample's melting point. This setup helps in determining the purity and characteristics of the substance being tested. Additionally, the capillary tube provides a clear view of the sample's behavior as it transitions from solid to liquid.


The rise of water in a narrow test tube is called?

The rise around the edges is called the meniscus, like capillary action this is caused by the adhesion of the liquid molecules to the walls of the container. In a large bore tube like a test tube or graduated cylinder this pulls up the edge and creates a concave meniscus, in a smaller bore tube this actually pulls the liquid toward the top of the tube.


When water is placed in a thin glass tube it tends to climb up the walls of the tube This effect is known as capillary action What causes this capillary action?

Hydrogen Bonding


How high can water rise in a capillary tube that is 0.1 millimeters in diameter?

The height to which water can rise in a capillary tube is calculated using the equation h = 2γcos(θ)/ρgr, where γ is the surface tension of water, θ is the contact angle, ρ is the density of water, g is the acceleration due to gravity, and r is the radius of the tube. For a tube with a diameter of 0.1 mm, the radius would be 0.05 mm. Water typically has a contact angle close to 0, resulting in a high degree of wetting, allowing it to rise several millimeters in a capillary tube of this size.

Related Questions

How can you measure the diameter of capillary tube by using vernier caliper in traveling microscope?

To measure the diameter of a capillary tube using a traveling microscope and vernier caliper, place the capillary tube on a flat surface. View the capillary tube through the traveling microscope to measure the external diameter. Then, use the vernier caliper to measure the internal diameter by gently inserting the capillary tube between the jaws of the caliper to get an accurate measurement. Subsequently, calculate the average diameter using the two measurements.


What are the advantages and disadvantages of fire tube boiler and water tube boiler?

the advantage is the design is complicated


The height of a liquid in a capillary tube is not dependent on?

the height of a capillary tube is not dependent on


Why mercury falls in capillary tube?

Mercury falls in a capillary tube due to the combination of capillary action and gravity. Capillary action is the tendency of a liquid to be drawn up into a narrow tube against the force of gravity. When the adhesive forces between the mercury and the walls of the capillary tube are greater than the cohesive forces within the mercury, the mercury will move downward in the tube.


Why is capillary tube fixed in Ostwalds viscometer?

The capillary tube is fixed in the Ostwalds viscometer is for passing the liquid.


What is the function of capillary tube?

The capillary tube is used on the inside of the refrigerators. It is a long copper tubing that is used as a thruster.


Derive an expression for expression for rise of liquid in a capillary tube?

deduce an expression for height of a liquid in capillary tube. also write practical applications of capillary action.


What is a narrow tube that is used as a metering device?

capillary tube


The narrow tube that is used as a metering device is a?

capillary tube.


What are the advantages and disadvantages for inclined tube manometer?

the scale that is attached to the inclined tube are more sensibly then scale in vertical form that are in U-tube manometerdisadvantage is that it is costly and tough to handle.


What may be the trouble if a capillary tube unit frosts down the suction tube?

If a capillary tube unit frosts down the suction tube, it may indicate a restriction in the capillary tube, improper refrigerant charge, or a problem with the system's airflow. It is recommended to check for any blockages in the capillary tube, ensure the system has the correct refrigerant charge, and inspect the airflow to troubleshoot and resolve the issue.


What are the advantages of using the Scrub Tech surgical tube?

There are many advantages one might have when it comes to using a surgical tube. After scrubbing in, a technician would use a surgical tube that was specifically created for surgery, therefore, it would be safe.