Multiple Choice Question: How is the dry density of a soil related to its density at full saturation? $\rho_w$ is the density of water, $n$ is the porosity and $e$ is the void ratio.

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

Three forces 20 N, 30 N, and 40 N are in equilibrium. Find the angle between the 20 N and 40 N forces.
In a system of parallel pipes, which of the following is true:
Wl4g9k7-2 What safe floor load, in kN/m2, could be carried on a center-line spacing of 0.40 m?
A line of levels 9.36 km is run to check the elevation of BM 2 which been found to be 31.388 meters with BM 1 of elevation at sea level.
A rectangle ABCD which measures 18 by 24 units is folded once, perpendicular to diagonal AC, so that the opposite vertices A and C coincide. Find the length of the fold.
The area under the curve $y = x^2 between the values $x = 1$ and $x = 7$ is closest to:
For a given GP, a1 = 5/21 and r = 1.2. Calculate the product of the first 21 terms.
A man invested P100,000 at an interest rate of 10% compounded annually. What will be the final amount of his investment, in terms of today’s peso, after 5 years, if inflation remains the same at the rate of 8% per year?
A wall 10 ft high along the property line is 8 ft from a house.
A farmer owned a square field measuring exactly 2261 yards on each side. 1898 yards from one corner and 1009 yards from an adjacent corner stood a beech tree.
The probability that both stages of a two-stage missile will function correctly is 0.95. The probability that the first stage will function correctly is 0.98.
If $\log_x 2 = 1.2a$ and $\log_x 3 = 1.5a$, find $\log_x \sqrt{12}$ .
To make lemonade, a recipe requires 4 lemons, 30 ounces of sugar, and 2 pints of water. One can squeeze out 0.4 cups of 5% citric acid from an average lemon.
Determine the value of a if (x + 2) is a factor of (x3 - ax2 + 7x + 10).
A tugboat traveling at 40 kph leaves port at 4 PM carrying off some contraband goods. A patrol boat assigned to stop the goods leaves the same post an hour later and drove at 90 kph. What time will the patrol boat overtake the tugboat?