MSTE LOOKSFAM
These are circumstances or deviation from standard condition which could permit an occurrence of accident or incident.
Unsafe Condition
Which of the following are the concepts of safe design for construction?
I. The design of structure to be built.
II. The subsystems to be included in the structure (electrical, mechanical, plumbing, etc.)
III. The equipment involved in building the structure.
IV. The on-site facilities such as man lifts, elevators, concrete batch plants and rock crushing/ gravel processing asphalt plants.
V. The manpower of the structure.
All of the above
The ideal capacity of road in vehicles per hour is _____________.
2000 vph
It occurs as concrete hardens, being greater in wet mixes. Curing helps to limit effects and therefore concrete in the actual structure should be thoroughly and continuously moistened for some considerable period after placing.
Shrinkage
The single initial application of bituminous material to an existing bituminous, Portland Concrete, or block surface or base is called __________________.
Tact Coat
Which of the following are true statements?
I. All symmetric histograms
II. All symmetric bell-shaped curves are normal.
III. All normal curves are bell-shaped and symmetric.
III only
Of all paths through the network, the critical path has the _____________________.
Maximum Expected Time
When train passes on curves, which have no super-elevation, it will give thrust on the ______________________.
Inner side of the outer rail
Which is more accurate parameter of traffic capacity: Volume or Density?
Volume is more accurate: Only Volume has units of time
Which of the following satisfy the requirements for estimating expected activity times in a PERT network?
I. Makes use of three estimates
II. Puts the greatest weight on the most likely time estimate
III. Is motivated by the beta distribution
All of the above
Which of the following is the calculation of the probability that the critical path will be completed by the time T?
I. Assumes that the activity times are the statistically independent.
II. Assumes that the total time of the critical path has approximately beta distribution.
III. Requires knowledge of the standard deviation for all activities in the network
II only
It is a construction operation that concrete should be protected so that moisture is not lost during the early stages of hardening, and it should be kept at a temperature that will promote hydration and also protect against injury from subsequent construction activities.
Curing
What is the worst condition which should be considered in relation to the design of coastal defense works?
Combination of unusually high sea level with severe wave action
The sound creaks and groans that one hears inside the building are in fact materials response to external stimuli such as heat, wind and gravity loads. These stimuli fall into four categories. What are these major properties that exhibited by materials?
mechanical, thermal, electrical, and chemical
In the standard practice of measuring vertical or zenith angles, the following practices are great importance:
I. Be sure the instrument is level
II. Sight with vertical crosshair
III. Sight exactly on the target
IV. Sight direct and reverse
Which standard practices are true?
I, III, IV only
It is combination of the likelihood of an occurrence of a hazardous event with specified period in specified circumstances and the severity of injury or damage of health of people, property, environment or any combination of these caused by the event.
Risk
Waves are formed by the frictional drag of wind across the water surface. This is a process of transferring energy from wind to water. Water particles are moved from their position by the wind, and then return to the original position by gravity, which is restoring force. This waves are called ________________.
Gravity Waves
Compacting applies energy to soil to consolidate it by compressing air voids to increase the soil's dry density. Which of these are the objectives of proper compacting?
I. Minimize settling
II. Increases the soil's load bearing characteristics
III. Increase soil stability
IV. Reduces water penetration
V. Protects slopes that will drain water away
All of the above
It is a probability of a mechanism that will function satisfactorily. If the mechanism is to operate intermittently and briefly, it is also refers to performance on a given occasion. If the mechanism is to operate continuously, it refers its performance for a specific period of time.
Reliability
Cracks in concrete pavement due to temperature expansions can be prevented or minimized by ____________________________.
providing expansion joints and sectional pouring of concrete
Which of the following is most important in avoiding bias in surveying?
Sending out a large enough number of surveys so that even if the response rate is low, you will have sufficient numbers of responses to do statistical analysis.
The warrant for the use of safety barriers can be established considering:
I. Fore slope of back slope steepness and height
II. Unforgiving hazards within the clear zone
III. Water hazards within the clear zone
All of the three
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, & other markings
The design of overtaking lanes and climbing lanes requires the consideration of the following:
I. Initial diverge taper
II. Auxiliary lane length
III. End or merge taper
I, II, & III
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 kilometers.
density
A continuous structure built parallel to along the margin of the sea or alongside riverbank, canals, or waterways where vessels may lie alongside to receive or discharge cargo, embark or disembark passengers or lie at rest.
Wharf
Minimum K value sag vertical should be selected on the basis of three controlling factors:
I. Sight distance is a requirement in all situations for driver safety.
II. Appearance is generally required in low fill and flat topography situations.
III. Riding comfort is a general requirement with specific need on approaches to a floodway where the length of depression needs to be minimized.
IV. Vertical alignment should fit into the natural terrain earthwork balances.
I, II, & III only
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
Planned water depth is considered as follows: (For a ship with draft of 7.5 m)
Standard water depth of berth for the ship (-7.5) + Design low tide (-0.35) = -7.85
What is the proper sequence of the following polygons?
I. Quadrilateral
II. Parallelogram
III. Rectangle
IV. Square
I, II, III, IV
A polyhedron with triangular faces has nine vertices. Three vertices have 6 common faces, two vertices have 5 common faces, two vertices have 4 common faces, two vertices have 3 common faces. How many faces have the polyhedron?
14
A type of thermoplastic lane marking designed to aid and provide motorist with visual, audio, and motion warning on the road.
rumble strip
Lane lines must not be continued on the following cases:
I. Across signalized intersections. However, lane lines of low priority road must be discontinued at the intersection;
II. Across side street entrances unless the street is one-way street (going in only);
III. Past the start of the taper at which a multi-lane road narrows down.
IV. On roads with more than two lanes if not separated by median islands.
I, II, and III
Inform and advise road users of directions, distances, routes, the location of services for road users, and points of interest.
Guide signs
Shoulder paving is a valuable method of providing:
I. Integrity of the pavement
II. Width to place edgeline pavement markings
III. Additional safety to prevent vehicles skidding or drivers losing control in gravel.
IV. Low maintenance cost compared with paved shoulders.
All of the above
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
Two angles whose sum is 360° are called __________________.
conjugate angles
In a certain network, there are 4 nodes and 4 regions. How many arcs are there in the network?
6
Assuming the sun-rises at 6:00 a.m., sets at 6:00 p.m. and moves at a uniform rate, how can a lost boy scout determine south by means of a watch on a cloudless day?
Align the hour hand with the sun's azimuth, and south will be midway between the hour hand and 12.
This should always be shown on site plans for orientation purposes. Displaying it prominently is the standard practice.
North Direction
The following are the step-by-step procedures for calculating azimuths clockwise.
I. Plan and prepare
II. Perform the calculation
III. Repeat the calculation
IV. Check the calculation
V. Calculate the azimuths clockwise traverse
VI. Calculate azimuths counter-clockwise traverse
Which of these procedures are true?
I, II, III & IV
Given the geometric relationships, which of these statements are true?
I. At the PC (Point of Curvature) and PT (Point of Tangency), the radius and tangent are perpendicular.
II. The angle between the tangent and the long chords originating at the PC (Point of Curvature) or PT (Point of Tangency), is equal to one half of "I" (Angle of PI)
III. The curvature at the center of the circle that subtends the arc between the PC (Point of Curvature) and the PT (Point of Tangency)is called the central angle. It's value is the same as the "I" angle.
All of these
They are normally parabolas centered about the point of intersection of the vertical tangents they join.
vertical curve
If a negative number is divided by a positive number, which of the following 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≠0.
negative or positive
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 circles are tangent externally with each other. How many possible lines can be drawn that are common tangents to the two circles?
3
Two circles are close to each other but not tangent with each other. How many possible lines can be drawn that are common tangents to the two circles?
4
Line A and B intersect at point O. Line C is perpendicular to both A and B at O. Which of the following is true?
Line C is perpendicular to the plane described by Line A and B.
Given that y = ax⁴ + bx² and ab > 0. Which of the following is true?
it has no point of inflection
If x and y are real numbers, which of the following is equal to |x - y|?
I. |x| - |y|
II. |y - x|
III. |y| - |x|
II only
Which of the following statements is/are correct?
I. sin (-x) = -sin(x)
II. cos (-x) = -cos(x)
III. tan (-x) = -tan(x), where tan(x) is defined.
I and III only
The lateral faces of a regular pyramid has the shape of _____________________.
congruent isosceles triangles
A line L is drawn perpendicular to a plane P at point q. Which of the following is correct?
any place containing line L is perpendicular to plane P
When a plane is cut from a right circular cone, the cut section can have the following shape except ___________________.
a rectangle
If the radius "r" of a sphere is increasing at a constant rate, its volume is __________________.
increasing
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 formed perpendicular to plane B 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 have circumferences touches at one point. How many common tangent can be made?
3
Device mounted on a fixed support (permanent signs) or portable support (temporary signs) whereby a specific message is conveyed by means of words or symbols placed or erected for the purpose of regulating, warning or guiding traffic.
Traffic signs
A maximum wave height and wave period of the maximum wave height in wave train.
Highest Wave
When directly generated and affected by local winds, a wind wave system is called ______________________.
Wind Sea
What is the process of proportioning the cement, water, aggregates and additives prior to mixing concrete called?
Batching
A wave generated in deep water, when reaching shoaling waters, charges not only in its height but also in its length but the period will __________________.
remain constant
In the measures of congestion of highway capacity, what will happen as the density continues to increase?
The point is reached at which speed declines noticeably
Warn road users of condition on or adjacent to the road that may be unexpected or hazardous.
Warning signs
The purpose of installing edge lines is generally based on the following except one:
I. to discourage travel on road shoulders
II. to make driving safer and more assured, particularly at night and during inclement weather by providing a continuous guide for the driver
III. to act as guide past objects, which are close to the edge of pavement and which constitute a hazard
IV. to prevent parking at or near intersections
V. to delineate the edge of the travelled way to distinguish it from the shoulder area
V