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.

The vena contracta of a sharp-edged hydraulic orifice usually occurs:
Two cars A and B are traveling at the speed of 30 kph and 40 kph respectively on two different roads making an angle of 30 deg with each other.
At an ordinary rate a man can row the distance from Pasig to Manila, about 15km, in 5 hours less time than it takes him to return.
Determine the amplitude of $y = 4 \cos 2x$.
M. Poirot and Miss Marple walk into a turned-off escalator to realize that he is able to walk 3 steps during the time she needs to walk only 2.
A merchant buys goods at 25% off the list price. He desires to mark the goods so that he can give a discount of 20% on the marked price and still clear a profit of 25% on the selling price. What per cent of the list price must he mark the goods?
Water evaporates at the rate of two liters per hour per one square meter of surface. How long will it take to evaporate 30 liters of water from a cylindrical swimming pool full of water with 6 m in diameter and 2 m depth?
z1UpedR-2 the numbers are even and repetition of digit is not allowed.
If x + y = 5 and xy = 6, find the value of x^3 + y^3.
If z varies directly as x and inversely as the square of y, and z = 1/3, x = 4, and y = 6, find z when x = 12 and y = 4.
At a point A that is 50 m from the base of a monument, the angle of elevation to the top of the monument is twice as large as the angle of elevation from a point B that is 150 m from the monument.
Xoc9dHk-2 How much work is done in winding-up the full length of the chain?
A pole cast a shadow 15 m long when the angle of elevation of the sun is 61°. If the pole has lean 15° from the vertical directly towards the sun, what is the length of the pole?
A system of streamline and orthogonal lines which show the idealized flow pattern for a given system of boundaries.
In the figure, $\varphi$ represents the angle subtended by a 5 ft picture when viewed from point P that is 7 ft below the picture and 14 ft away from the wall on which the picture hangs.