問題一覧
1
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
2
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
3
What is the process of proportioning the cement, water, aggregates and additives prior to mixing concrete called?
Batching
4
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
Decrease
5
A maximum wave height and wave period of the maximum wave height in wave train.
Significant wave
6
When directly generated and affected by local winds, a wind wave system is called:
Wind sea
7
It is nothing more than a column driven into the soil to support a structure by transferring building loads to a deeper and stronger layer of soil or rock.
pile
8
This sign informs and advise road users of the directions, distances, routes, the location of services for the road users and point of interest.
guide sign
9
Ways of avoiding traffic conflicts:
All of these
10
The difference between the actual travel time of a given segment of a transportation system and some ideal travel time for that segment.
delay
11
Cracks approximately at right angles to the pavement centerline. These may be caused by shrinkage or differential thermal stress of the asphalt concrete or maybe reflective cracks.
transverse cracks
12
The provision of safety sight distance depends on the characteristics of the road environment such as: I. Road geometry II. Road surface III. Road illumination at night IV. Road topography
All of the above
13
One of the provisions of safety sight distance depends on the characteristics of the vehicle which are as follows: I. Type of vehicles, car, or truck II. friction between the tire and the road Ill. eye height of the driver IV. speed of vehicle
II and III only
14
To level a floor or layer of concrete with a straight edge using a back-and-forth motion while moving across the surface
screeding
15
Owing to the retardation of the tidal wave in the ocean by frictional force, as the earth revolved daily around its axis and as the tides tends to follow the direction of the moon, the highest tide for each location is not coincident with conjunction and opposition but occurs at some constant time after new and full moon. This interval which may amount to as much as 2.5 days is known as:
age of tides
16
Wearing way of the pavement surface caused by dislodging of aggregate particles and binder. This is usually a result of insufficient asphalt binder in the mix or stripping of asphalt from particles of aggregate.
raveling
17
The most important process to prepare concrete.
batching
18
A test to determine the relative consistency of concrete.
slump test
19
These are written instructions detailing how the facility is to be constructed.
specifications
20
These are circumstances or deviation from standard condition which could permit an occurrence of accident or incident.
hazard
21
It is the single most important environmental factor in the broad field of coastal engineering.
wave
22
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 the people, property, environment or any combination of these caused by the event.
risk
23
What is the worst condition which should be considered in relation to the design of coastal defence works?
Combination of usually high sea level with severe wave action
24
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. These waves are called:
Gravity waves
25
Which is more accurate parameter of traffic capacity; volume or density? Why?
Density is more accurate: Only density is a function of cars in a given length of roadway
26
Which of the following are the concept of safe design for construction? I. The design of the structure to be built. II. The subsystem 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 or asphalt plants. V. The manpower of the structure.
I, III, IV & V
27
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
28
The single initial application of bituminous material to an existing bituminous, Portland concrete, or block surface or base is called:
prime coat
29
The ideal capacity of road in vehicles per hour is:
2000 vph
30
Which of the following satisfy the requirement for estimating expected activity times in a PERT network? I. Makes use of three estimates II. Puts the greatest weight on the most likely times estimate III. Is motivated by the beta distribution
All of the above
31
The sound creaks and groans that one hears inside the building are in fact materials response to external stimuli such as heart, wind and gravity loads. These stimuli fall into four categories. What are these major properties that exhibited by materials?
mechanical, thermal, electrical and chemical
32
In the standard practice of measuring vertical or zenith angles, the following practices are great importance: I. Be sure the instrument is level Il. Sight with vertical crosshair III. Sight exactly on the target IV. Sight direct and reverse Which standard practices are true?
I, III, IV only
33
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 ail activities in the network.
III only
34
It is the 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
35
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? 1. Minimize settling II. Increases the soil's load bearing characteristics III. Increases soil stability IV. Reduces water penetration V. Protects slope that will drain water away
I, II, III, IV
36
When train passes on curves, which have no super-elevation, it will give thrust on the:
Inner side of outer rail
37
Of all paths through the network, the critical path
has the maximum expected time
38
Which of the following are true statements? I. All symmetric histograms have single peaks II. All symmetric bell-shaped curves are normal III. All normal curves are bell-shaped and symmetric.
III only
39
Signs used to guide drivers through a change in horizontal alignment of the road.
Chevron signs
40
The basic lane width appropriate for national roads is:
3.35 m
41
Delineation of the road alignment needs to be considered as part of the design process to ensure that adequate guidance is provided to road users. Delineation is generally provided by the use of the following devices: I. Pavement Markings II. Signs III. Guide posts IV. Reflective delineators V. Lighting VI. Curb or other physical devices
All of the above
42
Operating a motor vehicle on a street or highway can be complex and demanding at times, but it can be boring at other times. These range of circumstances coupled with the range of driver capabilities presents a challenge to the highway designer. It is helpful to begin by considering the three essential elements such as navigation, guidance and control is referred to as:
Driving task
43
Sign that inform road users about the direction and distances of destinations on the route they are following or along other roads that intersect their route.
guide signs
44
What are some important properties of queuing diagrams? I. The slope of D(t) is the departure rate; the slope of A(t) is the arrival rate. Il. The departure cannot exceed the service rate or capacity of the server. It maybe less. III. Cumulative departures can never exceed cumulative arrivals. D(t) can never be above A (t) in the queuing diagram. IV. When a queue is present, the departure rate will equal the service rate. When no queue is present, the departure rate will equal the arrival rate. The queue first forms when the arrival rate first exceeds the service rate.
All of the above
45
Any structure built into the sea but not parallel to the coastline and includes any stage, stair, landing place, landing stage, jetty, floating barge or pontoon, and any bridge or other works connected therewith. A berth structure projecting out from the shoreline.
Pier
46
Because concrete is unable to maintain a particular shape before it sets, it must be placed in a form or mold. In building construction, this is called:
Formworks
47
What is the capacity requirement for all scaffoldings?
At most four times its own weight
48
It is a measure of a material's ability to dissipate or deaden mechanical vibrations.
damping
49
The safe capacity of piles driven by powered hammers is based on the following data: I. Average penetration per blow, last six blows II. Energy of hammer III. Weight of hammer IV. Weight of pile including appurtenances V. Coefficient of restitution depending on the weight of piles
All of the above
50
It is an informal group discussion that focuses on a particular safety issue. These can be used daily to promote department safety culture as well as to facilitate health and safety discussions on job sites is known as:
Toolbox Meeting
51
A method of protecting employees from cave-ins form material that could fall or roll from an excavation face or into an excavation or collapse of adjacent structures. This includes support systems, sloping and benching systems, shield systems and other systems that provide the necessary protection.
Protective system
52
A method of protecting workers from cave-ins by excavating the sides of an excavation to form one or a series of horizontal level or steps, usually with vertical or near vertical surfaces between levels.
benching
53
A formal or legally binding agreement between two parties is referred to as:
Contract
54
It occurs after the completion of construction and the resolution of the majority of punchlist and commissioning issues.
Turnover of a project
55
This drawing has elevation as its vertical axis, and horizontal distance as measured along the centerline of the facility (or other reference line), as its horizontal axis.
profile
56
Which of the following is/are main drawback (s) in adopting bar charts? I. All the activities are shown as being independent of each other Il. The sequence of activities not defined at all III. It is difficult to judge whether an activity is completed or not
I, II, and III
57
If you are preparing a report on PERT PM network in a construction job, what time scheduling should you consider in the preparation of the PERT CPM network diagram?
all of the above
58
It provides the detailed requirements for the materials, equipments and workmanship to be incorporated into the project.
specifications
59
The bucket volume contained within the bucket when the following outline of the bucket sides is referred to as:
Plate line capacity
60
If a negative number is divided by a positive number, which of the following must be the quotient?
negative
61
Which of the following can be a product of an even prime number and odd prime number.
6
62
The product of three negative numbers:
negative
63
The quotient of negative and positive number:
negative
64
The product of & and y where x < 0 and y + 0.
negative or positive
65
If the perpendicular bisector of two sides of a triangle meets on the third side, what kind of triangle is being described?
right triangle
66
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
67
If all midpoints of the sides of a triangle are connected, what fraction is the area of the smaller triangle formed to the area of the original triangle.
1/4
68
If the one side of a rectangle is increased by 25%, what is the effect on the other side to maintain the same area?
decreased by 20%
69
Given two planes A and B. Line C is perpendicular to plane A and also perpendicular to plane B. Which of the following is true?
A and B are parallel
70
Line A and B intersect at point O. Line C is perpendicular to both A and B at 0. Which of the following is true?
Line C is perpendicular to the plane described by lines A and B
71
The lateral faces of a regular pyramid has the shape of
congruent isosceles triangles
72
A line L is drawn perpendicular to a plane P at point q. Which of the following statements is correct?
any plane containing line L is perpendieular to plane P
73
If the radius "" of a sphere is increasing at a constant rate, its volume is:
increasing
74
Two intersecting lines are perpendicular to plane B. What are those two lines?
collinear
75
Point x is not on plane B. How many non-collinear lines can be formed perpendicular to plane B and passes through x.
1
76
A parallelogram in which the diagonals are perpendicular with each other.
rhombus
77
A polygon whose sum of the interior angles is equal to the sum of the exterior angles.
quadrilateral
78
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
79
Messages when painted on pavement should be limited to how many words only?
three words or less
80
What are the four types of pavement and curb markings?
longitudinal lines, transverse lines, other lines, & other markings
81
The design of overtaking lanes and climbing lanes requires the consideration of the following I. Initial diverge taper II. Auxiliary lane length Ill. End or merge taper
I, II & III
82
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 kilometre.
density
83
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
84
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. Ill. 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 and III only
85
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
86
What is the proper sequence of the following polygons? I. Quadrilateral II. Parallelogram III. Rectangle IV. Square
I, II, III, IV
87
A type of thermoplastic lane marking designed to aid and provide motorist with visual, audio, and motion warning on the road.
rumble strip
88
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 and, 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
89
Inform and advise road users of directions, distances, routes, the location of services for road users, and points of interest.
guide signs
90
Shoulder paving is a valuable method of providing. I. Integrity of the payment 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
91
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
92
A body of water with navigable depth leading to a harbour is called:
fairway
93
Two angles whose sum is 360% are called
reflection angles
94
This should always be shown on site plans for orientation purposes. Displaying it prominently is the standard practice.
North direction
95
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
96
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. Il. The angle between the tangent and the long chords originating at the PO (Point of Curvature) or PT (Point of Tangency), is equal to one half of ") (angle of PI). IlI. The curvature at the center of the circle that subtends the are between the PC (Point of Curvature) and the PT (Point of Tangeney) is called the central angle. Its value is the same as the "I' angle.
all of the above
97
They are normally parabolas centered about the point of intersection of the vertical, tangents they join.
vertical curve
98
Which of the following is /are correct? I. If two sides of a triangle are congruent, the angles opposite these sides are congruent II. If two angles of a triangle are congruent, the sides opposite these angles are congruent. III. An equilateral triangle is equiangular, IV. An equiangular triangle is equilateral.
All of the above
99
Which of the following is true? I. All histograms are single peaked? II. All bell-shaped curves are normal curves and symmetrical III. All normal eurves are bell shaped and svmmetrical
III only
100
To operate an instrument well a field engineer needs to understand its construction. There are differences among a transit, an optical theodolite and the new electronic theodolites or total stations hut geometrically they are all the same, All instruments are designed around the same fundamental relationships or principle lines. Which of the following are correct geometric relationships? I. The vertical axis should be perpendicular to the axis of the plate levels. II. The vertical crosshair should lie in a plane perpendicular to the horizontal axis III. The line of sight should be perpendicular to the horizontal axis. IV. The horizontal axis should be perpendicular to the vertical axis. V. The axis of the telescope should be perpendicular to the line of sight.
I, II, III and IV only