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Recent questions and answers in Transportation Engineering
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GATE Civil 2021 Set 2 | Question: 13
Relationship between traffic speed and density is described using a negatively sloped straight line. If $v_{f}$ is the free flow speed then the speed at which the maximum flow occurs is $0$ $\frac{v_{f}}{4}$ $\frac{v_{f}}{2}$ $v_{f}$
Relationship between traffic speed and density is described using a negatively sloped straight line. If $v_{f}$ is the free flow speed then the speed at which the maximum...
go_editor
5.3k
points
go_editor
asked
Mar 1, 2021
Traffic Engineering
gatecivil-2021-set2
traffic-studios-on-flow-and-speed
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0
votes
0
answers
2
GATE Civil 2021 Set 2 | Question: 16
The softening point of bitumen has the same unit as that of distance temperature time viscosity
The softening point of bitumen has the same unit as that ofdistancetemperaturetimeviscosity
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5.3k
points
go_editor
asked
Mar 1, 2021
Highway Pavements
gatecivil-2021-set2
desirable-properties-of-bitumen
softening-point-of-bitumen
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0
votes
0
answers
3
GATE Civil 2021 Set 2 | Question: 24
In a three-phase signal system design for a four-leg intersection, the critical flow ratios for each phase are $0.18, 0.32$, and $0.22$. The total loss time in each of the phases is $\text{2 s}$. As per Webster's formula, the optimal cycle length (in $\text{s}, \textit{round off to the nearest integer}$) is _______________
In a three-phase signal system design for a four-leg intersection, the critical flow ratios for each phase are $0.18, 0.32$, and $0.22$. The total loss time in each of th...
go_editor
5.3k
points
go_editor
asked
Mar 1, 2021
Traffic Engineering
gatecivil-2021-set2
numerical-answers
traffic-signal
design-by-websters-method
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0
votes
0
answers
4
GATE Civil 2021 Set 2 | Question: 53
In an aggregate mix, the proportions of coarse aggregate, fine aggregate and mineral filler are $\text{55%, 40% and 5%}$, respectively. The values of bulk specific gravity of the coarse aggregate, fine aggregate and mineral filler are ... . The bulk specific gravity of the aggregate mix ($\textit{round off to two decimal places}$) is ____________________
In an aggregate mix, the proportions of coarse aggregate, fine aggregate and mineral filler are $\text{55%, 40% and 5%}$, respectively. The values of bulk specific gravit...
go_editor
5.3k
points
go_editor
asked
Mar 1, 2021
Highway Pavements
gatecivil-2021-set2
numerical-answers
highway-materials
fine-course-aggregates
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0
votes
0
answers
5
GATE Civil 2021 Set 2 | Question: 54
The stopping sight distance $\text{(SSD)}$ for a level highway is $\text{140 m}$ for the design speed of $\text{90 km/h}$. The acceleration due to gravity and deceleration rate are $\text{9.81 m/s$^{2}$}$ and $\text{3. ... /reaction time (in $\text{s}, \textit{round off to two decimal places}$) used in the $\text{SSD}$ calculation is ________________________
The stopping sight distance $\text{(SSD)}$ for a level highway is $\text{140 m}$ for the design speed of $\text{90 km/h}$. The acceleration due to gravity and deceleratio...
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5.3k
points
go_editor
asked
Mar 1, 2021
Transportation Infrastructure
gatecivil-2021-set2
numerical-answers
sight-distances
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0
votes
0
answers
6
GATE Civil 2021 Set 2 | Question: 55
For a $2^{\circ}$ curve on a high speed Broad Gauge $\text{(BG)}$ rail section, the maximum sanctioned speed is $\text{100 km/h}$ and the equilibrium speed is $\text{80 km/h}$. Consider dynamic gauge of $\text{BG}$ ... $\text{30.5 m}$ arc. The cant deficiency for the curve (in $\text{mm}, \textit{round off to integer}$) is ________________________
For a $2^{\circ}$ curve on a high speed Broad Gauge $\text{(BG)}$ rail section, the maximum sanctioned speed is $\text{100 km/h}$ and the equilibrium speed is $\text{80 k...
go_editor
5.3k
points
go_editor
asked
Mar 1, 2021
Transportation Infrastructure
gatecivil-2021-set2
numerical-answers
geometric-design-of-railway-track
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0
votes
0
answers
7
GATE Civil 2021 Set 1 | Question: 14
The shape of the most commonly designed highway vertical curve is circular (single radius) circular (multiple radii) parabolic spiral
The shape of the most commonly designed highway vertical curve iscircular (single radius)circular (multiple radii)parabolicspiral
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Transportation Infrastructure
gatecivil-2021-set1
geometric-design-of-highways
horizontal-and-vertical-alignments
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0
votes
0
answers
8
GATE Civil 2021 Set 1 | Question: 15
A highway designed for $\text{80 km/h}$ speed has a horizontal curve section with radius $\text{250 m}$. If the design lateral friction is assumed to develop fully, the required super elevation is $0.02$ $0.05$ $0.07$ $0.09$
A highway designed for $\text{80 km/h}$ speed has a horizontal curve section with radius $\text{250 m}$. If the design lateral friction is assumed to develop fully, the r...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Transportation Infrastructure
gatecivil-2021-set1
geometric-design-of-highways
horizontal-curves
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–
0
votes
0
answers
9
GATE Civil 2021 Set 1 | Question: 25
A signalized intersection operates in two phases. The lost time is $3$ seconds per phase. The maximum ratios of approach flow to saturation flow for the two phases are $0.37$ and $0.40$. The optimum cycle length using the Webster's method (in seconds, round off to one decimal place) is ______________
A signalized intersection operates in two phases. The lost time is $3$ seconds per phase. The maximum ratios of approach flow to saturation flow for the two phases are $0...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Traffic Engineering
gatecivil-2021-set1
numerical-answers
signal-design
websters-method
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0
votes
0
answers
10
GATE Civil 2021 Set 1 | Question: 35
On a road, the speed – density relationship of a traffic stream is given by $u=70-0.7k$ (where speed, $u$, is in $\text{km/h}$ and density, $k$ is in $\text{veh/km}$). At the capacity condition, the average time headway will be $0.5 \:s$ $1.0 \:s$ $1.6 \:s$ $2.1 \:s$
On a road, the speed – density relationship of a traffic stream is given by $u=70-0.7k$ (where speed, $u$, is in $\text{km/h}$ and density, $k$ is in $\text{veh/km}$). ...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Traffic Engineering
gatecivil-2021-set1
traffic-studios-on-flow-and-speed
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–
0
votes
0
answers
11
GATE Civil 2021 Set 1 | Question: 37
Vehicular arrival at an isolated intersection follows the Poisson distribution. The mean vehicular arrival rate is $2$ vehicle per minute. The probability ($\textit{round off to two decimal places}$) that at least $2$ vehicles will arrive in any given $1$-minute interval is _______________________
Vehicular arrival at an isolated intersection follows the Poisson distribution. The mean vehicular arrival rate is $2$ vehicle per minute. The probability ($\textit{round...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Traffic Engineering
gatecivil-2021-set1
numerical-answers
statical-analysis-of-traffic-data
poisson-distribution
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–
0
votes
0
answers
12
GATE Civil 2021 Set 1 | Question: 53
Spot speeds of vehicles observed at a point on a highway are $\text{40, 55, 60, 65 and 80 km/h}$. The space-mean speed (in $\text{km/h}$, $\textit{round off to two decimal places}$) of the observed vehicles is ___________________
Spot speeds of vehicles observed at a point on a highway are $\text{40, 55, 60, 65 and 80 km/h}$. The space-mean speed (in $\text{km/h}$, $\textit{round off to two decima...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Traffic Engineering
gatecivil-2021-set1
numerical-answers
traffic-studios-on-flow-and-speed
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–
0
votes
0
answers
13
GATE Civil 2021 Set 1 | Question: 54
The longitudinal section of a runway provides the following data: $\begin{array}{|lc|cI|}\hline &\textbf{End-to-end runway $\textbf{(m)}$} & \textbf{Gradient $ ... $\%$, $\textit{round off to two decimal places}$) is ________________
The longitudinal section of a runway provides the following data:$$\begin{array}{|lc|cI|}\hline&\textbf{End-to-end runway $\textbf{(m)}$} & \textbf{Gradient $(\%)$} \\ \...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Transportation Infrastructure
gatecivil-2021-set1
numerical-answers
concept-of-airport-runway
effective-gradient
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0
votes
0
answers
14
GATE2020-CE-1-20
In an urban area, a median is provided to separate the opposing stream of traffic. As per $IRC:86-1983$, the desirable minimum width (in $m$, expressed as integer) of the median, is _______.
In an urban area, a median is provided to separate the opposing stream of traffic. As per $IRC:86-1983$, the desirable minimum width (in $m$, expressed as integer) of the...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Highway Pavements
gate2020-ce-1
design-of-pavements-using-irc-codes
numerical-answers
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–
0
votes
0
answers
15
GATE2020-CE-1-32
The relationship between traffic flow rate (q) and density (D) is shown in the figure The shock wave condition is depicted by flow with respect to point $1\:(q_1=q_{max})$ flow changing from point $2$ to point $6\:(q_2>q_6)$ flow changing from point $3$ to point $7\:(q_3<q_7)$ flow with respect to point $4$ and point $5\:(q_4=q_5)$
The relationship between traffic flow rate (q) and density (D) is shown in the figure The shock wave condition is depicted byflow with respect to point $1\:(q_1=q_{max})$...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Transportation Engineering
gate2020-ce-1
transportation-engineering
traffic-engineering
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–
0
votes
0
answers
16
GATE2020-CE-1-33
The appropriate design length of a clearway is calculated on the basis of ‘Normal Take-off’ condition. Which one of the following options correctly depicts the length of the clearway? (Note: None of the options are drawn to scale)
The appropriate design length of a clearway is calculated on the basis of ‘Normal Take-off’ condition. Which one of the following options correctly depicts the length...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Transportation Infrastructure
gate2020-ce-1
concept-of-airport-runway-length
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–
0
votes
0
answers
17
GATE2020-CE-1-45
Traffic volume count has been collected on a $2$-lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is observed as $1280\:veh/h$ ... are Regular Commuters', the number of extra lane(s) (round off to the next higher integer) to be provided, is ______.
Traffic volume count has been collected on a $2$-lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is obs...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Traffic Engineering
gate2020-ce-1
numerical-answers
peak-hour-factor
traffic-flow
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–
0
votes
0
answers
18
GATE2020 CE-2-9
The traffic starts discharging from an approach at an intersection with the signal turning green. The constant headway considered from the fourth or fifth headway position is referred to as discharge headway effective headway intersection headway saturation headway
The traffic starts discharging from an approach at an intersection with the signal turning green. The constant headway considered from the fourth or fifth headway positio...
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Traffic Engineering
gate2020-ce-2
traffic-engineering
transportation-engineering
signal-design
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–
0
votes
0
answers
19
GATE2020 CE-2-20
For an axle load of $15$ tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of $8$ tonne, is __________.
For an axle load of $15$ tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of $8$ tonne, is __________.
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5.3k
points
go_editor
asked
Feb 13, 2020
Traffic Engineering
gate2020-ce-2
numerical-answers
axle-load
traffic-engineering
transportation-engineering
+
–
0
votes
0
answers
20
GATE2020 CE-2-21
$24$-$h$ traffic count at a road section was observed to be $1000$ vehicles on a Tuesday in the month of July. If daily adjustment factor for Tuesday is $1.21$ and monthly adjustment factor for July is $0.913$, the Annual Average Daily Traffic (in veh/day, round off to the nearest integer) is __________.
$24$-$h$ traffic count at a road section was observed to be $1000$ vehicles on a Tuesday in the month of July. If daily adjustment factor for Tuesday is $1.21$ and monthl...
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Traffic Engineering
gate2020-ce-2
numerical-answers
static-analysis-of-traffic-data
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–
0
votes
0
answers
21
GATE2020 CE-2-31
The flow-density relationship of traffic on a highway is shown in the figure The correct representation of speed-density relationship of the traffic on this highway is
The flow-density relationship of traffic on a highway is shown in the figureThe correct representation of speed-density relationship of the traffic on this highway is
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Highway Pavements
gate2020-ce-2
highway-pavements
transportation-engineering
+
–
0
votes
0
answers
22
GATE2020 CE-2-32
$\text{Group-I}$ gives a list of test methods for evaluating properties of aggregates. $\text{Group-II}$ ... $P-2; Q-1; R-4; S-3$ $P-3; Q-4; R-1; S-2$ $P-2; Q-4; R-3; S-1$
$\text{Group-I}$ gives a list of test methods for evaluating properties of aggregates. $\text{Group-II}$ gives the list of properties to be evaluated.$$\begin{array}{ll}\...
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Transportation Engineering
gate2020-ce-2
test-methods-and-its-properties
transportation-engineering
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–
0
votes
0
answers
23
GATE2020 CE-2-33
For the hottest month of the year at the proposed airport site, the monthly mean of the average daily temperature is $39^{\circ}C$. The monthly mean of the maximum daily temperature is $48^{\circ}C$ for the same month of the year. From the given information, the calculated Airport Reference Temperature $\text{(in}\: ^{\circ}C),$ is $36$ $39$ $42$ $48$
For the hottest month of the year at the proposed airport site, the monthly mean of the average daily temperature is $39^{\circ}C$. The monthly mean of the maximum daily ...
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Transportation Infrastructure
gate2020-ce-2
airport-runway-length
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–
0
votes
0
answers
24
GATE2020 CE-2-45
The design speed of a two-lane two-way road is $60\: km/h$ and the longitudinal coefficient of friction is $0.36$. The reaction time of a driver is $2.5$ seconds. Consider acceleration due to gravity as $9.8 m/s^2$. The intermediate sight distance (in $m,$ round off to the nearest integer) required for the road is ________.
The design speed of a two-lane two-way road is $60\: km/h$ and the longitudinal coefficient of friction is $0.36$. The reaction time of a driver is $2.5$ seconds. Conside...
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Transportation Infrastructure
gate2020-ce-2
numerical-answers
geometric-design-of-highways
+
–
0
votes
0
answers
25
GATE2017 CE-2-11
For a broad gauge railway track on a horizontal curve of radius $R$ (in m), the equilibrium cant $e$ required for a train moving at a speed of $V$ (in km per hour) is $e= 1.676 \dfrac{V^2}{R} \\$ $e= 1.315 \dfrac{V^2}{R} \\$ $e= 0.80 \dfrac{V^2}{R} \\$ $e= 0.60 \dfrac{V^2}{R}$
For a broad gauge railway track on a horizontal curve of radius $R$ (in m), the equilibrium cant $e$ required for a train moving at a speed of $V$ (in km per hour) is$e= ...
gatecse
4.0k
points
gatecse
asked
Aug 7, 2019
Transportation Infrastructure
gate2017-ce-2
transportation-infrastructure
transportation-engineering
geometric-design-of-railway-track
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–
0
votes
0
answers
26
GATE2017 CE-2-12
The safety within a roundabout and the efficiency of a roundabout can be increased, respectively, by increasing the entry radius and increasing the exit radius increasing the entry radius and decreasing the exit radius decreasing the entry radius and increasing the exit radius decreasing the entry radius and decreasing the exit radius
The safety within a roundabout and the efficiency of a roundabout can be increased, respectively, byincreasing the entry radius and increasing the exit radiusincreasing t...
gatecse
4.0k
points
gatecse
asked
Aug 7, 2019
Traffic Engineering
gate2017-ce-2
transportation-engineering
traffic-engineering
traffic-control
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–
0
votes
0
answers
27
GATE2017 CE-2-36
Two cars P and Q are moving in a racing track continuously for two hours. Assume that no other vehicles are using the track during this time. The expressions relating the distance travelled $d$ (in km) and time $t$ (in hour) for both vehicles are given as P: $d=60 \: t$ Q: ... would be $15$ km at $30$ minutes $15$ km at $15$ minutes $30$ km at $30$ minutes $30$ km at $15$ minutes
Two cars P and Q are moving in a racing track continuously for two hours. Assume that no other vehicles are using the track during this time. The expressions relating the...
gatecse
4.0k
points
gatecse
asked
Aug 7, 2019
Traffic Engineering
gate2017-ce-2
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
28
GATE2017 CE-2-37
For the construction of a highway, a cut is to be made as shown in the figure. The soil exhibits $c'=20$ kPa, $\phi'=18^{\circ}$, and the undrained shear strength $=80$ kPa. The unit weight of water is $9.81 kN/m^3$. The unit weights of the soil above and below the ground water ... conditions, respectively, would be $1.6$ and $0.9$ $0.9$ and $1.6$ $0.6$ and $1.2$ $1.2$ and $0.6$
For the construction of a highway, a cut is to be made as shown in the figure.The soil exhibits $c’=20$ kPa, $\phi’=18^{\circ}$, and the undrained shear strength $=80...
gatecse
4.0k
points
gatecse
asked
Aug 7, 2019
Transportation Infrastructure
gate2017-ce-2
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
+
–
0
votes
0
answers
29
GATE2017 CE-2-54
The radii of relative stiffness of the rigid pavements P and Q are denoted by $l_P$ and $l_Q$, respectively. The geometric and material properties of the concrete slab and underlying soil are given below: The ratio (up to one decimal place) of $l_P/l_Q$ is _______
The radii of relative stiffness of the rigid pavements P and Q are denoted by $l_P$ and $l_Q$, respectively. The geometric and material properties of the concrete slab an...
gatecse
4.0k
points
gatecse
asked
Aug 7, 2019
Transportation Infrastructure
gate2017-ce-2
numerical-answers
transportation-infrastructure
transportation-engineering
geometric-design-of-highways
+
–
0
votes
0
answers
30
GATE2019 CE-1: 11
The coefficient of average rolling friction of a road road is $f_r$ and its grade is $+G\%$. If the grade of this road is doubled, what will be the percentage change in the braking distance (for the design vehicle to come to a stop) measured along the horizontal (assume all other parameters ... $\dfrac{0.02 \: G}{f_r+0.01 \:G} \times 100 \\$ $\dfrac{2f_r}{f_r+0.01 \:G} \times 100$
The coefficient of average rolling friction of a road road is $f_r$ and its grade is $+G\%$. If the grade of this road is doubled, what will be the percentage change in t...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Transportation Infrastructure
gate2019-ce-1
transportation-engineering
horizontal-and-vertical-alignments
+
–
0
votes
0
answers
31
GATE2019 CE-1: 12
An isolated concrete pavement slab of length $L$ is resting on a frictionless base. The temperature of the top and bottom fibre of the slab are $T_t$ and $T_b$, respectively. Given: the coefficient of thermal expansion $=\alpha$ and the elastic modulus $=E$ ... is calculated as $L \alpha (T_t-T_b)$ $E \alpha (T_t-T_b)$ $\dfrac{E \alpha (T_t-T_b)}{2}\\$ zero
An isolated concrete pavement slab of length $L$ is resting on a frictionless base. The temperature of the top and bottom fibre of the slab are $T_t$ and $T_b$, respectiv...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Highway Pavements
gate2019-ce-1
highway-pavements
concrete-pavements
transportation-engineering
+
–
0
votes
0
answers
32
GATE2019 CE-1: 21
The maximum number of vehicles observed in any five minute period during the peak hour is $160$. If the total flow in the peak hour is $1000$ vehicles, the five minute peak hour factor (round off to $2$ decimal places) is _______
The maximum number of vehicles observed in any five minute period during the peak hour is $160$. If the total flow in the peak hour is $1000$ vehicles, the five minute pe...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Traffic Engineering
gate2019-ce-1
numerical-answers
traffic-engineering
transportation-engineering
peak-hour-factor
+
–
0
votes
0
answers
33
GATE2019 CE-1: 38
A box measuring $50 \: cm \times 50 \: cm \times 50 \: cm$ is filled to the top with dry coarse aggregate of mass $187.5 \: kg$. The water absorption and specific gravity of the aggregate are $0.5 \%$ and $2.5,$ respectively. The maximum quantity of water (in kg, round off to $2$ decimal places) required to fill the box completely is __________
A box measuring $50 \: cm \times 50 \: cm \times 50 \: cm$ is filled to the top with dry coarse aggregate of mass $187.5 \: kg$. The water absorption and specific gravity...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Highway Pavements
gate2019-ce-1
numerical-answers
transportation-engineering
highway-pavements
highway-material-tests
+
–
0
votes
0
answers
34
GATE2019 CE-1: 43
A staff is placed on a benchmark (BM) of reduced level (RL) $100.000 \: m$ and a theodolite is placed at a horizontal distance of $50 \: m$ from the BM to measure the vertical angles. The measured vertical angles from the horizontal at the staff readings of ... the same. Taking the height of the instrument as $1.400 \: m$, the RL (in $m$) of the theodolite station is ____________
A staff is placed on a benchmark (BM) of reduced level (RL) $100.000 \: m$ and a theodolite is placed at a horizontal distance of $50 \: m$ from the BM to measure the ver...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Transportation Engineering
gate2019-ce-1
numerical-answers
transportation-engineering
transportation-infrastructure
horizontal-and-vertical-alignments
+
–
0
votes
0
answers
35
GATE2019 CE-1: 45
Average free flow speed and the jam density observed on a road stretch are $60 \: km/h$ and $120$ vehicles/km, respectively. For a linear speed-density relationship, the maximum flow on the road stretch (in vehicles/h) is _______
Average free flow speed and the jam density observed on a road stretch are $60 \: km/h$ and $120$ vehicles/km, respectively. For a linear speed-density relationship, the ...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Traffic Engineering
gate2019-ce-1
numerical-answers
transportation-engineering
traffic-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
36
GATE2019 CE-1: 46
Traffic on a highway is moving at a rate of $360$ vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the probability (round off to $2$ decimal places) that the headway between successive vehicles lies between $6$ and $10$ seconds is ________
Traffic on a highway is moving at a rate of $360$ vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the pr...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Traffic Engineering
gate2019-ce-1
numerical-answers
transportation-engineering
traffic-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
37
GATE2019 CE-2: 11
Structural failures considered in the mechanistic method of bituminous pavement design are Fatigue and Rutting Fatigue and Shear Rutting and Shear Shear and Slippage
Structural failures considered in the mechanistic method of bituminous pavement design areFatigue and RuttingFatigue and ShearRutting and ShearShear and Slippage
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Highway Pavements
gate2019-ce-2
highway-pavements
transportation-engineering
bituminous-pavement-design
+
–
0
votes
0
answers
38
GATE2019 CE-2: 19
The speed-density relationship in a mid-block section of a highway follows the Greenshield’s model. If the free flow speed is $v_f$ and the jam density is $k_j$, the maximum flow observed on this section is $v_fk_j \\$ $\dfrac{v_fk_j}{2} \\$ $\dfrac{v_fk_j}{4} \\$ $\dfrac{v_fk_j}{8}$
The speed-density relationship in a mid-block section of a highway follows the Greenshield’s model. If the free flow speed is $v_f$ and the jam density is $k_j$, the ma...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Traffic Engineering
gate2019-ce-2
transportation-engineering
traffic-engineering
traffic-studios-on-flow-and-speed
greenshieldss-model
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–
0
votes
0
answers
39
GATE2019 CE-2: 23
A vehicle is moving on a road of grade $+4 \%$ at a speed of $20 \: m/s$. Consider the coefficient of rolling friction as $0.46$ and acceleration due to gravity as $10 \: m/s^2$. On applying brakes to reach a speed of $10 \: m/s$, the required braking distance (in m, round off to nearest integer) along the horizontal, is ______
A vehicle is moving on a road of grade $+4 \%$ at a speed of $20 \: m/s$. Consider the coefficient of rolling friction as $0.46$ and acceleration due to gravity as $10 \:...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Transportation Infrastructure
gate2019-ce-2
numerical-answers
transportation-engineering
traffic-engineering
horizontal
-alignments
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–
0
votes
0
answers
40
GATE2019 CE-2: 34
A flexible pavement has the following class of loads during a particular hour of the day. $80$ buses with $2$- axles ( each axle load of $40 \: kN$) $160$ trucks with $2$-axles (front and rear axle loads of $40 \: kN$ and $80 \: kN$, respectively) The equivalent standard axle load repetitions for this vehicle combination as per $IRC:37-2012$ would be $180$ $240$ $250$ $320$
A flexible pavement has the following class of loads during a particular hour of the day.$80$ buses with $2$- axles ( each axle load of $40 \: kN$)$160$ trucks with $2$-a...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Highway Pavements
gate2019-ce-2
transportation-engineering
highway-pavements
pavement-using-irc-codes
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