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(Solved): experiment of viscosity data - experiment - measurent of viscosity Table 3.1 Observations ...



experiment of viscosity


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data - experiment - measurent of viscosity
Table 3.1 Observations Objective: Determine the viscosity of a liquid using the falling ball viscosimeters. Discussion Viscosity is a property of a fluid that resists shearing motions. The viscosity of a fluid can be measured using the supplied falling ball viscosimeters, as shown in Figure 3.1. The viscosity of a liquid can be calculated using the viscosimeters from Eq. 3.1, as follows: Equation 3.1 Where: and the approximate values for each size viscometer is as follows: Questions: -Compare your experimental viscosity results with the values of the literature. Are there any differences? If so, explain, why? -Determine the percent error between you values and the literature values. Experimental value True or accepted value The density of the liquid can be measured, per Experiment No. 2, in and converted to grams/ml by multiplying by . Temperature will have an effect on the density of a liquid and, thus, viscosity will be affected by changes in temperature. For more accurate measurements, a water bath could be used. The viscometers are supplied with a glass ball, a stainless steel ball, and a tantalum ball which doubles the range of each viscosimeter. The size viscosimeter and type of ball has a range in centipoise (cP), as follows: Equipment and Materials - Hampden MODEL H-6535 Hydrostatics Bench - Viscosimeters (3) with glass, stainless steel and tantalum balls. - Pipet - Stopwatch - beaker


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