1. List the three corrections which should be applied to the hydrometer readings. 2. Why is it important to remove the hydrometer from the measuring cylinder between readings? 3. A hydrometer test has the following results; Gs = 2.70, temperature = 240C, and L = 92 mm at 60 minutes after the start of sedimentation. Calculate the diameter of the smallest-size particles that have settled beyond the zone of measurement at that time (use the table in the lab manual to find, A=0.0128).
1. List the three corrections which should be applied to the hydrometer readings. 2. Why is it important to remove the hydrometer from the measuring cylinder between readings? 3. A hydrometer test has the following results; Gs = 2.70, temperature = 240C, and L = 92 mm at 60 minutes after the start of sedimentation. Calculate the diameter of the smallest-size particles that have settled beyond the zone of measurement at that time (use the table in the lab manual to find, A=0.0128).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. List the three corrections which should be applied to the hydrometer readings.
2. Why is it important to remove the hydrometer from the measuring cylinder between readings?
3. A hydrometer test has the following results; Gs = 2.70, temperature = 240C, and L = 92 mm at 60 minutes after the start of sedimentation. Calculate the diameter of the smallest-size particles that have settled beyond the zone of measurement at that time (use the table in the lab manual to find, A=0.0128).
D(mm) = A sqrt( L(cm) / t(min) )
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