A standard British-type viscometer in which the viscosity is determined by the time, in seconds, required for a certain quantity of liquid to pass out through the orifice under given conditions; used for determining viscosities of petroleum oils.
REDWOOD'S Viscometer is used to find out the viscosity of an standard rape oil and any of the fluids . The viscometers are classified into 4 types they are 1. Saybolt Viscometer 2. Engler Viscometr 3. Barbey Viscometer & 4. Redwoods Viscometer
In a redwood viscometer, A and B are constants used in the formula to calculate the viscosity of the fluid being tested. The formula is viscosity = A + B * time in seconds. The values of A and B are specific to the design of the redwood viscometer and are typically provided by the manufacturer.
The redwood viscometer was invented by Norman Henry Redwood, a British chemist and engineer, in the late 19th century. It was designed to measure the viscosity of liquids, particularly petroleum and related products.
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mala mahit nahi -Saurabh Dilpak
Because it is the most convenient device as far as protection and accuracy is concerned.
time was not calculated at the right point so the poits of the graph were chaned
I don't even know what it is so obviously it does not feature in my daily life.
SO that the oil cup gets uniformly heated from all the sides
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The capillary tube is fixed in the Ostwalds viscometer is for passing the liquid.
viscometer