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Hot questions in Transportation Engineering
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81
GATE2014-2-24
A road is being designed for a speed of $110$ km/hr on a horizontal curve with a super elevation of $8 \%$. If the coefficient of side friction is $0.10$, the minimum radius of the curve (in m) required for safe vehicular movement is $115.0$ $152.3$ $264.3$ $528.5$
A road is being designed for a speed of $110$ km/hr on a horizontal curve with a super elevation of $8 \%$. If the coefficient of side friction is $0.10$, the minimum rad...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Transportation Infrastructure
gate2014-ce-2
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
+
–
0
votes
0
answers
82
GATE2015-1-52
On a circular curve, the rate of superelevation is $e$. While negotiating the curve a vehicle comes to a stop. It is seen that the stopped vehicle does not slide inwards (in the radial direction). The coefficient of side friction is $f$. Which of the following is true: $e \leq f$ $f < e < 2f$ $e \geq 2f$ none of the above
On a circular curve, the rate of superelevation is $e$. While negotiating the curve a vehicle comes to a stop. It is seen that the stopped vehicle does not slide inwards ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Traffic Engineering
gate2015-ce-1
transportation-engineering
traffic-engineering
accident-study
+
–
0
votes
0
answers
83
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
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Traffic Engineering
gate2012-ce
traffic-engineering
transportation-engineering
urban-roads
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–
0
votes
0
answers
84
GATE2014-2-23
The average spacing between vehicles in a traffic stream is $50$ m, then the density (in veh/km) of the stream is _______
The average spacing between vehicles in a traffic stream is $50$ m, then the density (in veh/km) of the stream is _______
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Traffic Engineering
gate2014-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
85
GATE2014-1-51
The perception-reaction time for a vehicle travelling at $90$ km/h, given the coefficient of longitudinal friction of $0.35$ and the stopping sight distance of $170$ m (assume $g=9.81 \: m/s^2$), is _____ seconds.
The perception-reaction time for a vehicle travelling at $90$ km/h, given the coefficient of longitudinal friction of $0.35$ and the stopping sight distance of $170$ m (a...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Transportation Infrastructure
gate2014-ce-1
numerical-answers
transportation-engineering
transportation-infrastructure
sight-distances
+
–
0
votes
0
answers
86
GATE Civil 2012 | Question: 23
Two bitumen samples X and Y have softening points $45^{\circ}C$ and $60^{\circ}C$, respectively. Consider the following statements: Viscosity of X will be higher than that of Y at the same temperature. Penetration value of X will be lesser than that ... Both I and II are TRUE I is FALSE and and II is TRUE Both I and II are FALSE I is TRUE and and II is FALSE
Two bitumen samples “X” and “Y” have softening points $45^{\circ}C$ and $60^{\circ}C$, respectively. Consider the following statements:Viscosity of “X” will b...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Highway Pavements
gate2012-ce
transportation-engineering
highway-pavements
bitumen
softening-point-of-bitumen
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–
0
votes
0
answers
87
GATE Civil 2012 | Question: 24
Road roughness is measured using Benkelman beam Bump integrator Dynamic cone penetrometer Falling weight deflectometer
Road roughness is measured usingBenkelman beamBump integratorDynamic cone penetrometerFalling weight deflectometer
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Transportation Infrastructure
gate2012-ce
transportation-infrastructure
transportation-engineering
urban-roads
geometric-design-of-highways
+
–
0
votes
0
answers
88
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
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Traffic Engineering
gate2012-ce
traffic-engineering
transportation-engineering
traffic-growth-rate
statistical-analysis-of-traffic-data
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–
0
votes
0
answers
89
GATE2014-2-55
The chainage of the intersection point of two straight is $1585.60$ m and the angle of intersection is $140^{\circ}$. If the radius of a circular curve is $600.00$ m, the tangent distance (in m) and length of the curve (in m), respectively are $418.88$ and $1466.08$ $218.38$ and $1648.49$ $218.38$ and $418.88$ $418.88$ and $218.38$
The chainage of the intersection point of two straight is $1585.60$ m and the angle of intersection is $140^{\circ}$. If the radius of a circular curve is $600.00$ m, the...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Traffic Engineering
gate2014-ce-2
traffic-engineering
transportation-engineering
types-of-intersections
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–
0
votes
0
answers
90
GATE2014-2-52
On a section of a highway the speed-density relationship is linear an is given by $v=\big[80 – \dfrac{2}{3}k\big]$; where $v$ is in km/h and $k$ is in veh/km. The capacity (in veh/h) of this section of the highway would be $1200$ $2400$ $4800$ $9600$
On a section of a highway the speed-density relationship is linear an is given by $v=\big[80 – \dfrac{2}{3}k\big]$; where $v$ is in km/h and $k$ is in veh/km. The capac...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Highway Pavements
gate2014-ce-2
highway-pavements
transportation-engineering
geometric-design-of-highways
+
–
0
votes
0
answers
91
GATE2014-2-53
A pre-timed four phase signal has critical lane flow rate for the first three phases as $200$, $187$ and $210$ veh/hr with saturation flow rate of $1800$ veh/hr/lane for al phases. The lost time is given as $4$ seconds for each phase. If the cycle length is $60$ seconds, the effective green time (in seconds) of the fourth phase is ________
A pre-timed four phase signal has critical lane flow rate for the first three phases as $200$, $187$ and $210$ veh/hr with saturation flow rate of $1800$ veh/hr/lane for ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Traffic Engineering
gate2014-ce-2
numerical-answers
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
0
answers
92
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
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Traffic Engineering
gate2014-ce-1
traffic-engineering
transportation-engineering
peak-hour-factor
+
–
0
votes
1
answer
93
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-2
numerical-answers
traffic-engineering
transportation-engineering
urban-roads
+
–
0
votes
0
answers
94
GATE2018 CE-2: 17
As per $\text{IRC:}37-2012$, in order to control subgrade rutting in flexible pavements, the parameter to be considered is horizontal tensile strain at the bottom of bituminous layer vertical compressive strain on top of subgrade vertical compressive stress on top of granular layer vertical deflection at the surface of the pavement
As per $\text{IRC:}37-2012$, in order to control subgrade rutting in flexible pavements, the parameter to be considered ishorizontal tensile strain at the bottom of bitum...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Highway Pavements
gate2018-ce-2
highway-pavements
transportation-engineering
design-of-flexible-and-rigid-pavement-using-irc-codes
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–
0
votes
0
answers
95
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-2
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
1
answer
96
GATE2018 CE-1: 14
A bitumen sample has been graded as $\text{VG}30$ as per $\text{IS:}73-2013$. The $'30'$ in the grade means that penetration of bitumen at $25^{\circ}C$ is between $20$ and $40$ viscosity of bitumen at $60^{\circ}C$ is between $2400$ and $3600$ ... of bitumen at $27^{\circ}C$ is more than $30$ cm elastic recovery of bitumen at $15^{\circ}C$ is more than $30 \%$
A bitumen sample has been graded as $\text{VG}30$ as per $\text{IS:}73-2013$. The $'30'$ in the grade means thatpenetration of bitumen at $25^{\circ}C$ is between $20$ an...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Highway Pavements
gate2018-ce-1
transportation-engineering
highway-pavements
desirable-properties-of-bitumen
tests-on-bitumen
+
–
0
votes
1
answer
97
GATE2018 CE-1: 55
An aircraft approaches the threshold of a runway strip at a speed of $200$ km/h. The pilot decelerates the aircraft at a rate of $1.697 \: m/s^2$ and takes $18 \: s$ to exit the runway strip. If the deceleration after exciting the runway is $1 \: m/s^2$, then the distance (in m, up to one decimal place) of the gate position from the location of exit on the runway is _______
An aircraft approaches the threshold of a runway strip at a speed of $200$ km/h. The pilot decelerates the aircraft at a rate of $1.697 \: m/s^2$ and takes $18 \: s$ to e...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Transportation Engineering
gate2018-ce-1
numerical-answers
transportation-engineering
traffic-engineering
runway-length
+
–
0
votes
1
answer
98
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-1
traffic-engineering
numerical-answers
transportation-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
99
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-2
peak-hour-factor
traffic-engineering
transportation-engineering
+
–
0
votes
0
answers
100
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
101
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-1
transportation-engineering
traffic-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
102
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
4.0k
points
gatecse
asked
Feb 17, 2018
Traffic Engineering
gate2018-ce-1
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
0
answers
103
GATE2018 CE-1: 15
The speed-density relationship for a road section is shown in the figure. The shape of the flow-density relationship is piecewise linear parabolic initially linear than parabolic initially parabolic than linear
The speed-density relationship for a road section is shown in the figure.The shape of the flow-density relationship ispiecewise linearparabolicinitially linear than parab...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Transportation Infrastructure
gate2018-ce-1
transportation-engineering
speed-density-relationship
transportation-infrastructure
+
–
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