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Terms
| Question | Answer |
|---|---|
| In the laboratory test of determining the maximum dry density of a soil, if the compaction pressure is increased, the maximum dry density will: | Remains the same |
| When water table rises, what is the effect on effective stress? | decrease |
| Deals with forces at rest | Static |
| Determines whether a body will be at rest or in motion | Resultant |
| Energy by virtue of velocity | Kinetic |
| Within proportional limit, the stress is directly proportional to strain. | Hooke's Law |
| The ratio of lateral strain to longitudinal strain. | Poisson's ratio |
| Within the elastic range, the slope of the straight line portion of the stress-strain curve. | Young's Modulus |
| If a negative number is divided by a positive number, what must be the quotient? | Negative |
| The product of three negative numbers | Negative |
| The quotient of negative and positive number | Negative |
| The product of x and y where x<0 and y is not equal to 0 | Negative or Positive |
| The portion of the stress-strain curve beyond which the stress is no longer proportional to the strain? | Proportional Limit |
| Materials having the same composition at any point are termed as: | Homogeneous |
| Forces generated by a bodies in motion? | Dynamic |
| A time-dependent prestress loss in pretensioned concrete. | Relaxation |
| Tendons are stressed after concrete is poured. | Pre-tensioning |
| Tendons are stressed after concrete has hardened | Post-tensioning |
| The ability of a deformed material body to return to its original shape and size when the forces causing the deformation are removed. | Elasticity |
| The ability of the material to deform under tensile stress. | Ductility |
| The ability of a material to absorb energy when it is deformed elastically, and release that energy upon unloading. | Resilience |
| The ability of a material to absorb energy and plastically deform without fracturing. | Toughness |
| A material having the same strength at any point. | Homogeneous |
| If the perpendicular bisectors of two sides of a triangle meets on the third side, what kind of triangle is being described? | Right triangle |
| Two intersecting lines are perpendicular to plane B. What are those two lines? | Collinear |
| The endpoints of line segment AB are the center of two arcs with equal radii such that they will intersect twice, at points D and E. What is the relationship between AB and DE? | Perpendicular |
| Point x is not on plane B. How many non-collinear lines can be deformed perpendicular to plan B and passes through x. | 1 |
| Point x is on the plane P. How many non-collinear lines can be formed perpendicular to plane P and passes through x. | 1 |
| A parallelogram in which the diagonals are perpendicular with each other. | Rhombus |
| A polygon whose sum of the interior angles is equal to the sum of the exterior angles. | Quadrilateral |
| Two circles with different radii are externally tangent to each other. How many common tangent lines can be drawn? | 3 |
| Two circles with different radii have circumferences touches at one point. How many common tangent can be made? | 3 |
| 1 atm = ___ mmHg. Specific gravity of mercury is ____ | 760 mmHg : 13.56 |
| The elastic tendency of liquids which makes them acquire the least surface area possible. It is responsible, for example, when an object or insect such as mosquitoes that is denser than water is able to float or run along the water surface. | Surface tension |
| If water is used to measure the atmospheric pressure, how high would it be? | 10.33 m |
| How many meter of water is equivalent to 2.75 atmospheres? | 28.4 m |
| The ratio between the volume of water and the volume of voids. | Degree of Saturation |
| The ratio between the volume of voids and the volume of the soil mass. | Porosity |
| The ratio between the weight of water and the weight of solid particles. | Moisture content |
| The material composition is the same but its mechanical properties are different in every direction. | Orthotropic material |
| Refers to the tendency of solid materials to return to their original shape after being forced are applied on them. When the forces are removed, the object will return to its initial shape and size. | Elasticity |
| Refers to the stress at which a material begins to deform plastically. | Yielding |
| A flow in which the velocity of the fluid at a particular fixed point does not change with time. | Steady flow |
| Which component of rock or soil is independent of interparticle friction? | Cohesion |
| A phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading. | Liquefaction |
| A pile of sand keeps from spreading out like a liquid because the weight of the sand keeps the grains stuck together in their current arrangement, mostly out of static friction. This weight and pressure is called: | Effective stress |
| A particle or procedure used to assess the particle size distribution (also called gradation) of a granular material. The size distribution is often of critical importance to the way the material performs in use. | Sieve analysis |
| According to USCS, what do you call a soil grain with grain size greater than 4.75 mm but less than 75 mm? | Gravel |
| Messages when painted on pavement should be limited to how many words only? | Three words or less |
| What are the four types of pavement and curb markings? | Longitudinal lines, Transverse lines, Other lines, and Other markings |
| The design of overtaking lanes and climbing lanes requires the consideration of: | Initial diverge taper, Auxiliary lane depth, End or merge taper |
| It is defined as the number of vehicles per unit distance occupying a section of roadway at a given instant in time, and is usually measured in vehicles per mile or vehicles per kilometer. | Density |
| A continuous structure built parallel to along the margin of the sea or alongside riverbanks, canals, or waterways where vessels may lie alongside to receive or discharge cargo, embark or disembark passengers or lie at rest. | Wharf |
| Wave at a point where the water depth is equal to one-half of the wavelength or greater to be expressed in terms of the parameters of significant wave. | Deep water wave |
| When the path lines of the individual particles of a flowing liquid are irregular curves and continually cross each other and form a complicated network, the flow is called: | Turbulent Flow |
| A line joining the points of highest elevation of water in a series of vertical open pipes rising from a pipeline in which water flows under pressure is referred to as: | Hydraulic Gradient |
| A pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly (momentum change) is referred to in hydraulics as: | Water Hammer |
| The ability of the material to absorb energy in the plastic range. | Toughness |
| The ability of the material to absorb energy in the elastic range. | Resilience |
| The term which refers to the ability of a material to deform in the plastic range without breaking. | Ductility |
| It is the point through which the resultant of the resistance to the applied lateral force acts. | Center of rigidity |
| The point on a structure where the resultant vertical force acts. | Center of mass |
| The distance between the center of mass and center of rigidity. | Eccentricity |
| A type of thermoplastic lane marking designed to aid and provide motorist with visual, audio, and motion warning on the road. | Rumble strip |
| Inform and advise road users of directions, distances, routes, the location of services for road users, and points of interest. | Guide signs |
| Any structure built into the sea but not parallel to the coast line and includes any stage, stair, landing place, landing stage, jetty, floating barge or pontoon, and any bridge or other works connected therewith. | Pier |
| A body of water with navigable depth leading to a harbour is called: | Fairway |
| At what temperature in Celsius at which liquid water has the highest density? | 4 |
| The pressure exerted onto a liquid is transmitted equally and undiminished to all portions of the liquid. This principle in fluid mechanics is known as: | Pascals |
| In any stream flowing steadily without friction the total energy contained is the same at every point in its path of flow. This principle is attributed to: | Bernoulli |
| This can be measured by a seismometer. | Ground displacement |
| This refers to the flexibility of a structural system? | Inverse of stiffness |
| The stress point where a material will have appreciable deform when small amount of stress is experienced. | Yielding |
| The ability of the material to deform in plastic range without breaking. | Toughness |
| The greatest stress that can be applied to an elastic body without causing permanent deformation. | Elastic Limit |
| Two angles whose sum is 360 degrees are called: | Conjugate angles |
| Two angles such that the angles are supplementary and the larger is twice the smaller. | 60 degrees and 120 degrees |
| In a certain network, there are 4 nodes and 4 regions. How many arcs are there in the network? | 6 |
| They are normally parabolas centered about the point of intersection of the vertical, tangents they join. | Vertical curve |
| The ratio of the volume of voids to the total volume of soil. | Porosity |
| The ratio of the volume of water to the volume of voids. | Water content |
| What are the components of stopping sight distance? | Reaction Distance and Braking Distance |
| Primary consideration in the design geometric cross-section of highways, runways, and taxiways. | Drainage |
| The maximum number of vehicles, passengers, pedestrians or the like, which can be accommodated by a given facility under a given level of service. | Volume |
| This is commonly identified as primary, secondary, and working control on the jobsite? | Horizontal control |
| Waves which fall forward since the forward velocity of the crest particles exceeds the velocity of propagation of the wave length L is less than 7 times the wave height. | Breaking waves |
| The ratio of the wave height to its wave length is called: | Steepness |
| What is the meaning of MLLW? | Mean Lower Low Water |
| Approximately how many times is the pressure of mercury greater than the pressure exerted by water? | 13.6 |
| What will develop of the center of mass and center of rigidity of a structure does not coincide? | Torsional Shear Stress |
| A building which has a floor which is less than 70% as stiff as the floor immediately above it, or less than 80% as stiff as the average stiffness of the three floors above it. | Soft storey |
| Refers to the lateral displacement of one level relative to the other level above or below. | Storey drift |
| Waves under the influence of the winds that generated them are called: | Swells |
| The maximum sustained 15-minute rate of flow, expressed in passenger cars per hour per lane, which can be accommodated by a uniform freeway segment under prevailing traffic and roadway conditions in one direction is called: | Capacity |
| Warn road users of condition on or adjacent to the road that may be unexpected or hazardous. | Warning signs |
| It is the maximum number of vehicles, which have a reasonable expectation of passing over a given section of a lane or a roadway in one direction or in both direction during one hour under prevailing road and traffic conditions. | Road capacity |
| The following are a characteristic of a ______ - Easy to compact - High Shear Strength - Prone to settlement due to vibrating load | Cohesionless Soil |
| The point through which the resultant of the resistance to the applied lateral force acts. | Center of rigidity |
| The point on a structure through which the applied seismic force acts. | Center of mass |
| Refers to the flexibility of a structure. | Reciprocal of stiffness |
| Pavement markings shall only be applied and/or removed by: | DPWH |
| Guide signs are generally _____ in shape. | Rectangular |
| It is the maximum number of vehicles, which have a reasonable expectation of passing over a given section of lane or roadway in one direction or in both direction during one hour under prevailing road and traffic conditions. | Road Capacity |
| The overall track _________ typically consist of the following: - Subgrade - Ballast - Ties - Rails - Rails fastening | Structure of railroad |
| In the standard practice of measuring ________, the following practices are of great importance: - Be sure the instrument is level - Sight exactly on the target - Sight direct and reverse | Vertical or Zenith angles |
| In many parts of the world, the high waters reach their greatest height and the low waters at the least height, soon after the time of full and new moon, this tides are called: | Spring tides |
| The following are the characteristics of: - Point upstream - At the right angles to the slope - On the ground closes it itself | Contour |
| Based on the expression on the technical resolution of the International Water Way Congress, about how many percent of tide is guaranteed safe for the ships? | 98% |
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