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explain fluid mechanics or properties ndash viscositya measure of a fluids resistance to flow when acted upon by an external force such as pressure
the specific gravity of ferric chloride solution equals 13 how much does one gallon of ferric chloride weigh solution rhoferric chloride
fluid mechanics or properties - specific gravitydimensionless ratio of a fluids density to some standard reference density for liquids and solids the
at a large port facility near new york city tractor-trailer trucks are lined-up in long queues as their drivers wait to have their containers
determine the total stopping sight distance in feeta motorist is travelling down a 6 grade at 65 mph and needs to stop because of a crash scene
the local survey crew measures a distance of 1135 ft of new drainage pipe that is required for the new road construction the beginning point for the
determine the thickness of flexible pavement layer 2 given the following factstotal structural number required 70total number of layers 2layer 1
define pavement design - transportation1 asphalt surfacea estimate design trafficb determine the structural number sn for the given traffic roadway
a five-mile long section of two-lane road has an aadt of 8000 there have been six crashes on this section of road during the past two years
an intersection has a total entering traffic volume of 42000 vehicles per day during the past three years there have been a total of 35 reported
explain the traffic safety - transportationcrash rates are normally considered better indicators of risk than crash frequencies a crash rates for
explain equation for change intervaly t v 2a 644gwhere y length of yellow interval sec t driver perceptionreaction time 10 sec
explain the signalized intersectionscycle length - the time required for one complete sequence of all signal indicationsphase - the right-of-way
define vertical curves - transportation1 vertical curves are used to change the grade of a highway2 most vertical curves take the shape of an
explain the equation for length of spiral curvelength of spiral curve can be calculated using the following equationls 315v3rcwherev - design speed
explain the spiral curves - transportationa spiral is a curve of continuously changing radius it varies from 0 degree of curvature infinite radius at
explain stopping sight distance on horizontal curvesection obstructions along the inside of curves can limit the available chord sight distance a
what is the minimum radius rmin that can be used on a horizontal curve with a 70 mph design speed a maximum superelevation emax 8 and a side
explain horizontal circular curves - transportationhorizontal circular curve is a circular arc between two straight lines known as
explain the stopping sight distancestopping sight distance is the sum of two distances1 the distance traversed by the vehicle from the instant the
explain the perception reaction timea significant variable in the successful processing and use of information is the speed with which this is done
explain the driver expectancya fundamental component of driver information processing and perception drivers operate with a set of expectancies eg1
explain information processing and perception - driver performancethe time required to respond successfully to any driving situation such as an
the survey has identified the beginning and ending points along an urban arterial highway that require new sidewalks the first station is located at
explain what is stationing - transportation1 stationing concept is used along horizontal alignments for referencing purpose2 1 station 100 feet3 how