MSTC Flashcards
Inform and advise road users of directions, distances, routes, the location of services for road users and point of interest
Guide signs
To level a floor or layer of concrete with a straight edge using back and forth motion while moving across surface
Screeding
Process of proportioning , cement, water, aggregates, and additives prior to mixing called
Batching
Device mounted on a fixed support or portable support whereby a specific message is conveyed by means of work or symbols for the purpose of regulating, warning, or guiding traffic
Roadwork signs
Cement, Aggregates, and water
Bulk composition
Written instruction detailing how the facility is to be constructed
Specifications
Wave generated in deep water, when reaching shoaling waters, charges not only its height but also in its length but the period will
decrease
Maximum wave height and wave period of the maximum wave height in wave train
Significant wave
When directly affected and generated by local winds, a wind wave is
wind sea
Failure of the stability of slopes, generally occurs along
a curved surface
Measures of congestion highway capacity, what will happen as density continues to increase
speed declines
Ways to avoiding traffic conflicts
Grade separation
Time sharing
Space sharing
The difference between the actual travel time of a given segment of a transportation system and some ideal travel time
delay
cracks approximately at right angles to the pavement
Transverse crack
Provision of safety sight distance
Road: geometry, surface, topography, and illumination
Provision of safety sight distance
Friciton
Eye-height
2.5 days (tides)
Age of tides
Usually a result of insufficient asphalt binder in the mix or stripping of asphalt from particles of aggregate
Raveling
The most important process to prepare concrete
Batching
A test to determine the relative consistency of concrete
Slump test
Circumstances or deviation from standard condition which could permit an occurrence or incident
hazard
The single most important environmental factor in the broad field of coastal engineering
Wave
Combination of the likelihood of an occurrence of a hazardous event and severity of injury or damage of health of the people, property and environment
Risk
Worst condition which should be considered in relation to the design of coastal defence
combination of usually high sea level with severe wave action
Which is more accurate parameter of traffic capacity
Density: Function of cars
Concept of safe design for construction
Design
Equipment
On-site facilities
manpower
Occurs as concrete hardens, being greater in wet mixes
Shrinkage
Single initial application of bituminous material
Prime coat
ideal capacity of road in vehicles per hour
2000 veh/hr
Satisfy the requirement for estimating expected activity times in a PERT network
Makes use of three estimates
Puts the greatest weight on the most likely time
Motivated by BETA distribution
Stimuli fall into four categories
Mechanical
Thermal
Conductivity
Chemical
Standard practice of measuring vertical or zenith angles
Instrument is level
Sight exactly on the target
Slight direct and reverse
Calculation of the probability that the critical path will be completed
Requires knowledge of the standard deviation
Probability of a mechanism that will function satisfactorily
Reliability
Objectives of proper compacting
Minimize settling
Increase bearing
Increase soil stability
Reduce water penetration
When train passes on curves, which have no super-elevation
inner side of outer rail
Critical path
has the maximum expected time
All normal curves are
Bell-shaped and symmetric
Compress the bulk volume of concrete
Aggregates
Signs used to guide drivers through a change in horizontal alignment of the road
Chevron signs
The basic lane width appropriate for national road
3.35m
Operating a motor vehicle on a street or highway can be complex and boring
Driving Task
Any structure build into the sea but not parallel to the coast line
Pier
Because concrete is unable to maintain a particular shape before it sets, it must be placed in a form or mold
Formworks
What is the capacity requirement for all scaffoldings
At most, 4 times its own weight
It is a measure of a material’s ability to dissipate or deaden mechanical vibrations
Damping
It is an informal group discussion that focuses on a particular safety issue
Toolbox meeting
A method of protecting employees from cave-ins form materials that could fall or roll from an excavation face or collapse of adjacent structures
Protective System
A method of protecting workers from cave-ins by excavating the sides of an excavation to form one or series of horizontal steps
Benching
A formal or legally binding agreement between 2 parties
Contract
It occurs after the completion of construction and the resolution of the majority punchlist and commissioning issues
Turnover of a Project
This drawing has elevation as its vertical axis, and horizontal distance as measures along the centerline
Profile
The bucket volume contained within the bucket
Plate line capacity
What is the reaction time to be used for the safety design? This value is applied to the whole range of design speeds.
2.5 seconds
Is measure of a material’s ability to withstand cyclic (repeated) stresses.
Fatigue resistance
In a horizontal angle layout, this is a procedure that involves turning the angle twice and making the line of sight each time at the point.
Double centering
This is a source or situation with a potential cause to harm in terms of injury, ill health, damage to the environment or a combination of these.
Hazard
Every construction project shall have a suitable construction safety and health program, which must be in accordance with these rules and other orders and issuance issued by the DOLE.
Unsafe act
What is the color of the loading and unloading zone marking
Red
Does not cause a contract change
Unforseen conditions
If the standard deviation of a set of observation is 0, you can conclude:
that all observations are the same value
It is considered to be the basic unit of travel behavior.
Trip
It is the timing of signal in relationship to one another so that vehicles traveling at a determined speed can pass through the greens of successive signals.
Signal coordination
It represents the component of vehicle weight which acts parallel to an inclined surface
Grade resistance
These are circumstances or deviation from standard condition which could permit an occurrence of accident or incident is called
Unsafe condition
On what days of the week can the first day of century fail? The first day of the 20th century was Jan.1, 1901.
Monday
A measure of materials ability to resist indentation or penetration.
Hardness
An increase in soil density of a cohesive soil resulting from the expulsion of water from the soils void spaces.
Consolidation
Who is given authority to review reports of inspection, accident investigations and implementation of the program?
Health and Safety Committee
The process of injecting any agent into soil or rock to increase its strength or stability, project foundations or reduce ground water.
Grouting
Every construction project shall have a suitable ______, which must be in accordance with these rules, and other orders and issuances issued by the DOLE.
Construction Safety and Health Program.
What treatments might be made to improve the level of service
realigning the roadway
A benefit/cost analysis is to be performed to justify the installation of safety-related road improvements such as flexible barriers and breakaway poles.
Insurance records, state disability fund records, accepted federal standards, (basta panay pera)
Produces the greatest possible error in your initial speed calculations
The coefficient of friction is more sensitive to error
A line on a topographic map connecting points of equal elevation is known as
contour line
Greens theorem is the basis for determining the
surface area of a construction site
what is the preferred method to avoid negative stations in a construction document?
Station 0+00
A simple random sample is defined by
The method of selection
What are the sources of errors in making measurements
Natural
Instrumental
Personal
Lifting capacity of a crane
Decreases with an increase radius
Ideal capacity of road vehicles per hour
2000 veh/hr
Number of vehicles per unit distance occupying a section of road way
Density
Distance
Space headway
Time
time headway
Maximum speed
mean free speed
