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.

A circle with radius r has a circumference equal to the perimeter of a square whose side is S. Which of the following is true?
A and B start at the same time from two places 154 km apart and travel toward each other. A travels 10 kph and B 8 kph. If B stopped 1 hour on the way, in how many hours will they meet?
Find the slope of the line determined by the points (-3, 4) and (1, -6).
If $x$ is positive and $y$ is negative, which of the following expressions is always positive?
A circle having a radius of 18 cm is cut by a chord 5 cm from the center. What is the area of the of the smaller segment?
A line is divided into 12 equal parts. If the measure of each part is a prime integer, what is the possible length of the line?
The area under the entire stress-strain curve is called:
Decompose the given term into partial fraction and compute for the value of A: (7x + 17) / (x + 3)^2
Solve for x if $5^{x^2} = 625$.
The following three terms are in geometric progression: x, 2x + 7, 10x – 7. What is the 6th term?
Two triangles have equal bases. The altitude of one triangle is 3 units more than its base while the altitude of the other is 3 units less than its base. If the areas of the triangles differ by 21 square units, find the altitude of the smaller triangle.
In an open channel flow, the discharge at a certain section can be measured by the use of the weir, given by the equation: $Q = \frac{8}{15}C \sqrt{2g} ~ \tan (\frac{1}{2}\theta) ~ H^{5/2}$
Three boys and two girls are to be picked from a class of 15 in which 9 are girls. How many ways can this be done?
Given that w varies directly as the product of x and y and inversely as the square of z and that w = 4 when x = 2, y = 6, and z = 3. Find the value of w when x = 1, y = 4, and z = 2.
The volume of the sphere is 7238 m^3, find the radius.