MSTE Flashcards
Standard shape of stop sign
octagon
Standard shape for GIVE WAY sign
equilateral triangle
Color of no loading/unloading zone markings
red
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
Signs which inform and advise road users
of directions, distances, routes and the
location of services for road users and point
of interest.
Guide Signs
Signs used to guide drivers through a
change in horizontal alignment of the road.
Chevron Signs
The design element which is the most
affected by the volume of traffic.
Number of Traffic Lanes
The primary consideration in the design
of geometric cross sections for highways,
runways and taxiways is _______.
Drainage
Reaction times vary widely. As a result,
the usual practice is to use a single, rather
conservative value. AASHTO suggests a value
of ____ in its Policy on Geometric Design of
Highways and Streets.
2.5 sec
It provides the detailed requirements
for the materials, equipment and workmanship
to be incorporated into the project.
Specifications
This refers to drawing, usually
accompanied by notes, of various aspects or
components of the design.
Plans
It include cost estimates for various
parts of the project and are used to evaluate
the acceptability of bids and the financial
feasibility of the project.
Estimates
It is the process where a load is
prepared for lifting using a lifting
machine. The main part of this process is
the tying up of the load with sling and other
connecting devices so that the load could be
hooked onto a crane.
Rigging
Complete or partial dismantling of a
building or structure by pre
-planned and
controlled methods or procedures.
Demolition
It is capable of spreading,
consolidating, and finishing a concrete slab
without the use of conventional forms.
Slipform Paver
It is a very versatile machine that has
the longest reach for digging and dumping of
any member of the crane shovel family
.
Dragline
The bucket volume contained within the
bucket when following the outline of the
bucket sides is called:
Plate line capacity
Assumes a level of material flush with
the lowest edge of the bucket.
Waterline Capacity
The bucket capacity when the load is
struck off flush with the bucket sides.
Struck Capacity
It represents those components of cycle
time other than travel time.
Fixed Time
This represents the travel time required
for a unit to haul material to the unloading
site and return
Variable Time
Construction workers who are working
from unguarded surfaced _________ or more
above grade, temporary or permanent floor
platform, scaffold or where they are exposed
to the possibility of falls hazardous to life
or limb, must be provided with safety
harnesses and lifelines.
6 meters
Every construction project shall have a
suitable _________________, which must be in
accordance with these rules, and other
orders and issuances issued by the
Department of Labor and Employment.
Construction Safety and Health Program
This refers to a method of protecting
employees from cave-ins, from material that
could fall or roll from an excavation face
or into an excavation, and from the collapse
of adjacent structures.
Protective System
This refers to structures such as
underpinning, bracing, and shoring that
provide support to an adjacent structure or
underground installation or to the sides of
an excavation or trench.
Support System
It is the movement of plastic concrete
into its final position (usually within
forms).
Placing
In general, ________ may be done when
the water sheen has disappeared and the
concrete will support the weight of the
finisher.
Floating
This is done on slabs that are to be left
exposed or to receive thin finishes, such as
resilient flooring, carpet, tile, or paint.
Troweling
It is defined as the fraction of time
that vehicles are present at a point in
space.
Occupancy
It is the maximum number of vehicles,
passengers, or the like, which can be
accommodated by a given facility or system
under given conditions at a given level of
service.
Service Volume
The points at which the cut or fill
slopes intersect the existing ground are
referred to as _______.
Catch Points
A comprehensive list of parts, items,
assemblies, subassemblies, intermediate
assemblies, documents, drawings, and other
materials required to create a product.
Bill of Materials
A list of materials and services required
to perform a project. The list includes
materials, labor, and quantities of each.
Bill of Quantities
The amount by which the outer edge of a
curve or a railroad is banked above the inner
edge to help offset the centripetal force
developed as the vehicle goes around a curve.
Superelevation
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 Cracking
Cracks approximately parallel to the
pavement centerline. These are caused by
poorly constructed construction joints and
shrinkage of asphalt concrete surface.
Longitudinal Cracking
Wearing way of the pavement surface
caused by dislodging of aggregated particles
and binder. This is usually a result of
insufficient asphalt binder in the mix or
stripping of asphalt from particles of
aggregate.
Raveling
Progressive disintegration of the
surface between the wheel paths caused by
dripping of gasoline or oil from vehicles.
Drip Track Raveling
The extruding of bitumen onto the
pavement surface, causing a reduction in
skid resistance. It is generally caused by
excessive amounts of asphalt in the mix or
low air voids content. It occurs when asphalt
fills the voids in the mix during hot weather
and then exudes out onto the surface of the
pavement.
Bleeding or Flushing
Elevation differences between adjacent
slabs at transverse joints. It is usually
the result of pumping and is a major source
of Portland Concrete pavement structure.
Faulting
Localized upward buckling and shattering
of the slabs at transverse joint or cracks.
They can occur when transverse joints are
filled with incompressible solid materials.
Blowups
A series of interconnected or interlaced
cracks caused by fatigue failure of the
asphalt concrete surface under repeated
traffic loading.
Alligator Cracking
Cracks forming large interconnected
polygons, usually with sharp corners or
angle. These cracks are generally caused by
hardening and shrinkage of the asphalt and
or reflection cracking from underlying
layers such as cement-treated base.
Block Cracking
A method of protecting workers from cave-ins by excavating the sides of an excavation
to form one or a series of horizontal levels
or steps, usually with vertical or near
vertical surfaces between levels.
Benching
Protects workers by using trench boxes
or other types of supports to prevent soil
cave-ins.
Shielding
This requires installing aluminum
hydraulic or other types of supports to
prevent soil movement and cave-ins.
Shoring
It is defined as the maximum safe speed
that can be maintained over a specified
section of a highway when conditions are so
favorable that the design features of the
highway govern.
Design Speed
The basic lane width appropriate for
national road is _______.
3.35 m
It is advisable for a site plan to
contain a large-scale map of the overall area
and to indicate where the project is located
on the site.
Vicinity Map
This drawing has elevation as its
vertical axis and horizontal distance as
measured along the centerline of the
facility as its horizontal axis.
Profile
This applies to curved facilities, suc
as highways or railways only. It consists of
a graph with a roadway or railway cross slope
versus horizontal distance.
Superelevation Diagram
This view has elevation as its vertical
axis and horizontal distance, measured
perpendicular to the centerline, as its
horizontal axis.
Geometric Cross Section
It is a violation of an accepted safe
procedure which could permit the occurrence
of an accident.
Unsafe Act
A hazardous physical condition or
circumstance which could directly permit the
occurrence of an accident.
Unsafe Condition
Rule is the guidelines regarding
Personal Protective Equipment (PPE).
Rule 1080
How do you test the relative consistency
of concrete?
Slump-test
Most important process to prepare
concrete:
Batching
The number of days final curing for a
concrete cement pavement is done for:
14 days
Joints placed in concrete pavements,
which are usually placed transversely, at
regular intervals, to provide adequate
expansion space for the slab to expand when
the pavement is subjected to an increase in
temperature.
Expansion Joint
Joints placed in concrete pavements,
which are usually placed transversely
regular intervals across the width of the
pavement to release some of the tensile
stresses that are due to a decrease in
temperature.
Contraction Joint
Joints placed in concrete pavements,
which are usually placed transversely across
the pavement width to provide suitable
transition between concrete placed at
different times or on different days.
Construction Joint
Joints placed in concrete pavements at
right angles to the center line of the
pavement is called:
Transverse Joint
It is a type of thermoplastic lane
marking designed to aid and provide motorist
with visual, audio, and warning on the road.
Rumble Strips
Generally, the dry materials used in
making quality concrete are heavier than
water. Thus, shortly after placement, they
have a tendency to settle to the bottom and
displace the mixing water to the surface,
which is called _____.
Bleeding
The surface of newly placed concrete is
struck off by moving a straightedge back and
forth with a saw-like motion across the top
of the forms.
Screeding
The bringing of a concrete surface to
true grade with enough mortar to produce the
desired finish.
Leveling
Immediately following or during edging,
pre-molded inserts are placed in concrete
slabs to control cracking in the concrete as
a result of shrinkage.
Jointing
When inside the building, one may notice
unusual sounds and change in the building.
What causes these events?
Temperature
Any temporary elevated platform used for
supporting employees or materials or both in
the course of any construction works.
Scaffold
What are the capacity requirement for
all scaffoldings?
4 times its own weight
It is the timing of signals in
relationship to one another so that vehicles
travelling at a predetermined speed can pass
through the greens of successive signals.
Signal Coordination
The speed at which vehicles are presumed
to travel through coordinated signal system
is known as:
Speed of Progression
The time difference between the
beginning and end of through band at any
point is known as:
Band
The red, yellow, or green light that is
displayed to driven in a given movement is
called an:
Indication
The time required for one complete
sequence of signal indication is called
____.
Cycle
The simplest rail capacity problem is
that involving rail rapid transit systems.
These usually have the following
characteristics:
I. One-way operation
II. A common speed profile for all trains.
That is, each train traverses each section
of track at the same speed as all other
trains; consequently, trains do not overtake
or pass one another.
III. Common station dwell times. That is,
each train spends the same amount of time
stopped at each station as all other trains;
dwell times may vary from station to station
IV. A fixed minimum front-to-back time gap
between trains.
A. I-III
B.II and IV only
C. III only
D. All of the above
All of the Above
There are three basic ways of resolving
crossing conflicts.
I. Time sharing solutions
II. Space sharing solutions
III. Grade separation solutions
IV. Crossing conflict solutions
A. I-III only
B. II and III only
C. II only
D. All of the above
I-III Only
It is the difference between the actual
travel time and a given segment of a
transportation system and some ideal travel
time for that segment.
Delay
The time spent in decelerating and
accelerating the vehicle in opening and
closing doors.
Clearance Time
Headways such that the vehicles are just
filled at the maximum load point on the
route.
Capacity Headway
________ is the process of increasing
the density of a soil by mechanically
forcing the soil particles closer
together, thereby expelling air from the
void spaces in the soil.
Compaction
________ is an increase in soil density
of a cohesive soil resulting from the
expulsion of water from the soil’s void
spaces.
Consolidation
Compactor production is based on the
following data:
I. Number of paces required
II. Width compacted per pass
III. Compactor speed
IV. Compacted lift thickness
V. Job Efficiency
A. I, III, IV and V
B. I, II, IV, and V
C. all of the above
D. II, III, IV and V
All of the above
The process of giving natural soils
enough abrasive resistance and shear
strength to accommodate traffic or
design loads is called.
Ground Modification
It involves dropping a heavy weight from
a crane onto the ground surface to
achieve soil densification.
Dynamic Modification
________ or placing additional weight
on the soil surface, has long been used
to densify cohesive soils.
Surcharging
________ is the process of densifying
cohesionless soils by inserting a
vibratory probe into the soil.
Vibroflotation
Workers in an excavation be protected
from cave-ins by one of the following
methods:
I. Sloping or benching of the sides of
the excavation.
II. Supporting the sides of the
excavation by shoring.
III. Placing a shield between workers
and the sides of the excavation.
IV. Drying soil to prevent collapsing.
A. all of the above
B. I, II, and IV
C. I, II, and III
D. II, III, and IV
I, II, and III
In highway construction, the process of
cutting down high spots and filling in
low spots of each roadway layer is
called.
Balancing
Estimates expected activity times in a
PERT network.
I. Make use of three estimates
II. Puts the greatest weight on the
most likely time estimate
III. Is motivated by the beta
distribution
A. III only
B. I only
C. II only
D. All of the above
All of the Above
Of all paths through the network, the
critical path:
has the maximum expected time
The calculation of the probability
that the critical path will be
completed by time T
I. Assumes that activity times are
statistically independent.
II. Assumes that total time of the
critical path has approximately
a beta distribution
III. Requires knowledge of the
standard deviation for all
activities in the network
A. II only
B. I only
C. II only
D. All of the above
I only
The CPM time-cost trade off function
cost decreases linearly as time increases
The marginal cost of crashing a
network could change when
A. The activity being crashed
reaches its crash time
B. The activity being crashed
reaches a point where another path
is also critical
C. Both A and B
D. None of the above.
Both A and B
Fundamental ideas in the LP network
models are activity time equals normal
time + crash time
I. Earliest start time for an
activity leaving a node equals
the Max of the earliest finish
times for activities leaving
that node
II. Earliest finish time equals
latest finish time minus
activity time.
A. I only
B. II only
C. I and II
D. None of the above
None of the Above
The PERT/COST model assumes that
I. Each activity achieves its
optimistic time
II. The costs are uniformly
distributed over the life of the
activity
III. Activity times are statistically
independent.
A. I only
B. II only
C. III only
D. None of the above
II only
The PERT/Cost control report
I. Requires a budget for each
activity
II. Requires a report on the
percentage of completion of each
activity
III. Calculate overruns
A. I only
B. II only
C. III only
D. All of the above
All of the above
The process of bringing each roadway
layer to its final grade
Trimming
It is the breaking away of hardened
concrete surface of a slab to a depth
of about 1.6 to 4.8 mm. It is usually
occurs at an early age of slab.
Scaling
It is the occurrence of numerous fine
hair cracks in the surface of a newly
hardened slab to surface shrinkage.
Crazing
Appearance of powdery material on the
surface of newly hardened concrete
slab.
Dusting
Bringing of a concrete surface to true
grade with enough mortar to produce
the desired finish.
Leveling
The surface of newly placed concrete
is struck off by moving a straightedge
back and forth with a sawlike motion
across the top of the forms and
screeds.
Screeding
Is done on slabs that are to be left
exposed or to receive thin finishes,
such as resilient flooring, carpet,
tile or paint
Troweling
Arrange the following in chronological
order:
I. Broom Finishing
II. Screeding
III. Bleeding
IV. Leveling
V. Jointing
VI. Edging
VII. Floating
VIII. Troweling
A. I,II,III,IV,V,VI,VII,VIII
B. III,II,IV,VI,V,VII,VIII,I
C. VIII, VII,VI,V,IV,III,II,I
D. II,IV,V,VIII,I,III,VI,VII
B
