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Construction and working of capillary flow viscometer?
A capillary flow viscometer, or Ostwald viscometer, consists of a U-shaped glass tube held vertically in a controlled temperature bath. It was named after its inventor, Wilhelm Ostwald.
Who invented the first viscometer?
The first viscometer was invented by Sir William Thomson in 1866. His design was based on the principle of measuring the time it took for a liquid to flow through a capillary tube.
Where Ostwald's viscometer used?
Ostwald's viscometer is used to measure the viscosity of liquid substances, such as oils, paints, and polymer solutions. It consists of a capillary tube through which the liquid flows, and the time it takes for the liquid to flow through the tube is used to calculate its viscosity.
What are the two types of metering devices?
capillary tube and fixed orifice
What is the usage of capillary viscometer?
A Capilliary Viscometer measures the speed at which a lquid can be forced through a narrow tube (a capillary). Thicker liquids (high viscosity like treacle) will take a lot longer to squeeze through the tube than a thin liquid (like white spirit). If you take a fluid (liquid) like blood it could be put through a Viscometer like this to see if your blood was too thick or thin. Also it could be used to check if your engine oil met up to spec. Big Subject!!!! Contact me if you want to know more...
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.
Explain the capillary tube type refrigerant control?
capillary tube are classified under fixed oriffes metering device it is thin and long inorder to control the refrigerant pressure and temperature not to evaporate ontheir way unitl it reach the evaporator.
Why is a capillary tube thought of as a dry-type?
The Capillary tube metering device is used primarily on small fractional-horsepower refrigeration systems that have relatively constant evaporator heat loads. These systems are hermetically sealed, leak free systems with dry-type evaporators that use a minimum of refrigerant. The capillary tube metering device is a fixed bore device, itcontrols refrigerant flow by pressure drop.
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.
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.
