This law states that the strength of a concrete is inversely proportional to its water-to-cement ratio.
5 years ago
What is the area moment of inertia of a semicircle of radius $r$ about an axis parallel to its base and passing through its centroid.
5 years ago
A spherical zone of one base of height $h$ is cut from a sphere of radius $r$. What is the volume of the zone?
5 years ago
It is the tensile force required on a tape to eliminate the effects of sag during tape surveys.
5 years ago
Cadastral surveying is a branch of surveying that deals with
5 years ago
All factors being equal, which of the following concrete mixes has the highest 28-day compressive strength?
5 years ago
In a 1:2:4 job mix concrete, how many parts is fine aggregates?
5 years ago
The Hyatt Regency Hotel walkway collapse is considered the best example of how important adhering to the engineering code of ethics is when designing structures. Where did this accident happen?
5 years ago
Let $f(x)=\sin x - \cos x$. Find the 2021st derivative of $f$.
5 years ago
Let $\angle ABCD$ be a cyclic quadrilateral. Then
5 years ago
If $a\geqslant b$, then $a \nless b$. This is true by which property?
5 years ago
If $a$ and $b$ are integers, then $a+b$ is also an integer. This is true by which of the following properties?
5 years ago
The coefficient of curvature of a soil is defined as
5 years ago
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.
5 years ago
Selena invested a certain amount of money at a rate of 12% compounded bi-monthly. How do we calculate the effective rate of Selena's investment?
5 years ago
Which of the following formulas is used to convert an annuity $A$ to its present value $P$? Assume year-end convention. $n$ is the number of periods and $i$ is the interest rate per period.
5 years ago
Which of the following assets are depreciable?
5 years ago
What do you call the quantity $\displaystyle \frac{M_u}{\phi bd^2}$, where $M_u$ is the applied moment at a section of a reinforced concrete beam with width $b$ and effective depth $d$?
5 years ago
The Moody diagram was constructed based on which of the following equations?
5 years ago
It is the volume of a fluid per unit mass.
5 years ago
It is the property of a material to absorb energy from a continuously applied load until it ruptures.
5 years ago
It is the property of a material to absorb energy from a continuously applied load until it yields.
5 years ago
The current seismic provisions of the National Structural Code of the Philippines 2015 is adopted from which of the following standards?
5 years ago
In a truss, when three members meet a joint, two of the members are parallel, and the joint carries no load, the third non-parallel member is a zero-force member.
5 years ago
It is a branch of engineering mechanics that deals specifically with quantifying the motion of objects in terms of displacement, velocity and acceleration.
5 years ago
Which of the following has the same value as $\cos \theta$?
5 years ago
Which of the following equations is true for all angles $\theta$?
5 years ago
What do you call differential equations wherein replacing the independent variable $x$ with $kx$ and the dependent variable $y$ by $ky$ gives the same differential equation? $k$ is a nonzero constant.
5 years ago
What do you call differential equations having the form $$ y' + py = qy^n $$where $n = 1$, and $p$ and $q$ are functions of the independent variable?
5 years ago
What do you call differential equations having the form $$ y' + py = qy^n $$where $n = 0$, and $p$ and $q$ are functions of the independent variable?
5 years ago
What do you call differential equations having the form $$ y' + py = qy^n $$, where $n$ is an integer greater than 1?
5 years ago
It is a measure of the resistance of a certain fluid to gradual deformation by shear or tensile stresses.
5 years ago
Given a small tube of diameter $d$ placed straight up into a liquid with unit weight $\gamma$, surface tension $\sigma$, and contact angle $\theta$ with the walls of the tube, find the capillary rise $h$ of the liquid in the tube.
5 years ago
Which of the following states that the force at a point on a system due to a deflection $\delta$ is equal to the partial derivative of the total strain energy of the system with respect to that deflection $\delta$?
5 years ago
This theorem states that the volume of a solid of revolution is equal to the area of the generating region times the distance travelled by the centroid of that region.
5 years ago
It is a point formed by intersecting the internal bisector of one angle of a triangle to the external bisectors of the other two angles.
5 years ago
It is a point formed by intersecting the three altitudes of a triangle.
5 years ago
It is a point formed by intersecting the three medians of a triangle.
5 years ago
It is a point formed by intersecting three angle bisectors of a triangle.
5 years ago
Given a water droplet with surface tension $\sigma$ and gage pressure $\Delta p$, determine its diameter.
5 years ago
Which of the following soil classification systems was first developed by Arthur Casagrande and was adopted by several US agencies with modifications in 1952?
5 years ago
This phenomenon happens when water transitions from a supercritical flow to a subcritical flow.
5 years ago
It is a branch of engineering mechanics that deals specifically with the effects of applied forces on the motion of objects.
5 years ago
It is a differential equation or a set of differential equations that mimic the behavior of real-life objects and situations.
5 years ago
Which of the following states that the deflection at a point on a system due to a force $P$ is equal to the partial derivative of the total strain energy of the system with respect to that force $P$?
5 years ago
What type of sequence is 12, 6, 4, 3, ...?
5 years ago
What does the bearing N 25o W mean?
5 years ago
This theorem states that the surface area of a solid of revolution is equal to the length of the generating curve times the distance travelled by the centroid of that curve.
5 years ago
Let $a$, $b$ be the lengths of the two legs of a right triangle, and $c$ be the length of its hypotenuse. What is the length of the altitude to the hypotenuse?
5 years ago
It is a point formed by intersecting the three perpendicular bisectors of the sides of the triangle.
5 years ago