Recent questions in Traffic Engineering / GO Civil

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41

GATE2014-1-23
The minimum value of $15$ minute peak hour factor on a section of a road is $0.10$ $0.20$ $0.25$ $0.33$

The minimum value of $15$ minute peak hour factor on a section of a road is$0.10$$0.20$$0.25$$0.33$

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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42

GATE Civil 2012 | Question: 46
A two-lane urban road with one-way traffic has a maximum capacity of $1800$ vehicles/hour. Under the jam condition, the average length occupied by the vehicles is $5.0 \: m$. The speed versus density relationship is linear. For a traffic volume of $1000$ vehicles/hour, the density (in vehicles/km) is $52$ $58$ $67$ $75$

A two-lane urban road with one-way traffic has a maximum capacity of $1800$ vehicles/hour. Under the jam condition, the average length occupied by the vehicles is $5.0 \:...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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43

GATE Civil 2012 | Question: 44
A pavement designer has arrived at a design traffic of $100$ million standard axles for a newly developing national highway as per $IRC:37$ guidelines using the following data: design life $=15$ years, commercial vehicle count before pavement construction $=4500$ vehicles/day, ... $1.53$ $2.24$ $3.66$ $4.14$

A pavement designer has arrived at a design traffic of $100$ million standard axles for a newly developing national highway as per $IRC:37$ guidelines using the following...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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44

GATE Civil 2012 | Question: 22
Two major roads with two lanes each are crossing in an urban area to form an un-controlled intersection. The number of conflict points when both roads are one-way is “X” and when both roads are two-way is “Y”. The ratio of X and Y is $0.25$ $0.33$ $0.50$ $0.75$

Two major roads with two lanes each are crossing in an urban area to form an un-controlled intersection. The number of conflict points when both roads are one-way is “X...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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45

GATE2018 CE-2: 54
A $7.5$ m wide two-lane road on a plain terrain is to be laid along a horizontal curve of radius $510$ m. For a design speed of $100$ kmph, super elevation is provided as per $\text{IRC:}73-1980$. Consider acceleration due to gravity as $9.81 m/s^2$. The level difference between the inner and outer edges of the road (in m, upto three decimal places is ________

A $7.5$ m wide two-lane road on a plain terrain is to be laid along a horizontal curve of radius $510$ m. For a design speed of $100$ kmph, super elevation is provided as...

gatecse

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gatecse asked Feb 17, 2018

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46

GATE2018 CE-2: 53
The space mean speed (kmph) and density (vehicles/km) of a traffic stream are linearly related. The free flow speed and jam density are $80$ kmph and $100$ vehicles/km respectively. The traffic flow (in vehicles/h, up to one decimal place) corresponding to a speed of $40$ kmph is ____

The space mean speed (kmph) and density (vehicles/km) of a traffic stream are linearly related. The free flow speed and jam density are $80$ kmph and $100$ vehicles/km re...

gatecse

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gatecse asked Feb 17, 2018

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47

GATE2018 CE-2: 35
A car follows a slow moving truck (travelling at a speed of $10$ m/s) on a two-lane two-way highway. The car reduces its speed to $10$ m/s and follows the truck maintaining a distance of $16$m from the truck. On fining a clear gap in the opposite traffic ... ( from the time it leaves its lane and subsequently returns to its lane after overtaking) is $64$ m $72$ m $128$ m $144$ m

A car follows a slow moving truck (travelling at a speed of $10$ m/s) on a two-lane two-way highway. The car reduces its speed to $10$ m/s and follows the truck maintaini...

gatecse

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gatecse asked Feb 17, 2018

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48

GATE2018 CE-2: 16
Peak Hour Factor (PHF) is used to represent the proportion of peak sub-hourly traffic flow within the peak hour. If $15$-minute sub-hours are considered, the theoretically possible range of PHF will be $0$ to $1.0$ $0.25$ to $0.75$ $0.25$ to $1.0$ $0.5$ to $1.0$

Peak Hour Factor (PHF) is used to represent the proportion of peak sub-hourly traffic flow within the peak hour. If $15$-minute sub-hours are considered, the theoreticall...

gatecse

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gatecse asked Feb 17, 2018

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49

GATE2018 CE-1: 54
Given the following data: design life $n=15$ years, lane distribution factor $D=0.75$, annual rate of growth of commercial vehicles $r=6 \%$, vehicle damage factor $F=4$ and initial traffic in the year of completion of construction $= 3000$ ... , the design traffic in terms of cumulative number of standard axles (in million standard axles, up to two decimal places) is _____

Given the following data: design life $n=15$ years, lane distribution factor $D=0.75$, annual rate of growth of commercial vehicles $r=6 \%$, vehicle damage factor $F=4$ ...

gatecse

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gatecse asked Feb 17, 2018

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3 answers

50

GATE2018 CE-1: 34
A priority intersection has a single-lane oneway traffic road crossing an undivided two-lane two-way traffic road. The traffic stream speed on the single lane road is $20$ kmph and the speed on the two-lane road is $50$ kmph. The perception-reaction time is $2.5$ s, coefficient of longitudinal ... be $50$ m and $20$ m $61$ m and $18$ m $111$ m and $15$ m $122$ m and $36$ m

A priority intersection has a single-lane oneway traffic road crossing an undivided two-lane two-way traffic road. The traffic stream speed on the single lane road is $20...

gatecse

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gatecse asked Feb 17, 2018

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51

GATE2018 CE-1: 13
There are $20,000$ vehicles operating in a city with an average annual travel of $12,000$ km per vehicle. The NOx emission rate is $2.0$ g/km per vehicle. The total annual release of NOx will be $4,80,000$ kg $4,800$ kg $480$ kg $48$ kg

There are $20,000$ vehicles operating in a city with an average annual travel of $12,000$ km per vehicle. The NOx emission rate is $2.0$ g/km per vehicle. The total annua...

gatecse

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gatecse asked Feb 17, 2018

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52

GATE2018 CE-1: 16
A well-designed signalized intersection is one in which the crossing conflicts are increased total delay is minimized cycle time is equal to the sum of red and green times in all phases cycle time is equal to the sum of red and yellow times in all phases

A well-designed signalized intersection is one in which thecrossing conflicts are increasedtotal delay is minimizedcycle time is equal to the sum of red and green times i...

gatecse

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gatecse asked Feb 17, 2018