Observed N-value of an SPT test is 21. The N-value after correcting for dilatancy is 1. 18 2. 21 3. 19 4. 15
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- for a sample of water ec reading was called 178 X 10^-3 siemens per centimeter calculate the value of tds in pptThe BOD5 of a sample is 75 mg/l for the value of k equal to 0.345/day. Determine the value of BOD remaining in the sample after 10 days.Calculate the area ratio for the following tube and answer whether it is suitable for taking undisturbed samples. External diameter: 218mmInner diameter: 206mm
- A sample at 28 days has a diameter of 5.9in and maximum loading of 88,877.96lb, what is the cross-sectional area of the sample?A calibration test of a 2.5cm circular sharp edged orifice in the vertical side of the large tank showed a discahrge of 590 N of water collected in 81 seconds, when under a constant head of 4.70 m. In addition, measuremnt of the trajectory of the jet gave the following data: A point on the jet has the coordinates in cm (235, -30), with the orifice located at the origin of the rectangular coordinate system. Find the value of Cd. Answers: a.0.989 b.0.636 c.0.629 d.0.98A calibration test of a 12.7mm circular sharp edge orifice in the vertical side of a large tank showed a discharge of 589N of water in 81 sec. at a head of 4.73. Measurement of the jet showed that it traveled 2.35m horizontally while dropping 0.0305m. Compute the three orifice coefficients.
- Soil sample size is (21cm×21cm)A calibration test of a 2.5cm circular sharp edged orifice in the vertical side of the large tank showed a discahrge of 590 N of water collected in 81 seconds, when under a constant head of 4.70 m. In addition, measuremnt of the trajectory of the jet gave the following data: A point on the jet has the coordinates in cm (235, -30), with the orifice located at the origin of the rectangular coordinate system. Find the value of Cd. Show fbd and solution a. 0.636 b. 0.629 c. 0.989 d. 0.98Compute the capillarity of mercury with a specific gravity of 13.6 in a 2-mm diameter tube. Assume a cohesion of 0.467 N/m and contact angle = 140°. Indicate whether it is a rise/ fall.
- Question-- . If a piezometer is installed at 7 m from the ground surface, what would be the piezometer reading 2 years after the construction is completed? A=6 B=2 C=1 D=72500 cm3 of water was measured in 120 minutes for the experiment from a sample with a diameter of 15 cm and a length of 30 cm, on which the constant level permeability test was performed. There is a height difference of 2.5m between the level from which the water is taken and the fixed water level. Find the permeability coefficient of the test sample? (π=3.14) will be takenIn a liquid limit test, using a cone penetrometer, the following readings were recorded. Moisture Content (%) Cone Penetration (mm) 32.26 14.4 41.92 16.4 51.96 18.2 64.52 21.2 72.76 22.3 Plastic Limit Test: Weight of wet soil + container 22.28 g Weight of dry soil + container 20.42 g Weight of container 13.39 g Natural Water Content: Weight of wet soil + container 17.69 g Weight of dry soil + container 14.84 g Weight of container 8.16 g Determine: A. Liquid Limit B. Plastic Limit C. Natural Water Content D. Plastic Index E. Liquidity Index