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Recent questions and answers in Transportation Infrastructure
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1
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 ________________________
go_editor
asked
in
Transportation Infrastructure
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
sight-distances
0
votes
0
answers
2
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 ________________________
go_editor
asked
in
Transportation Infrastructure
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
geometric-design-of-railway-track
0
votes
0
answers
3
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
Arjun
asked
in
Transportation Infrastructure
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
geometric-design-of-highways
horizontal-and-vertical-alignments
0
votes
0
answers
4
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 $0.02$ $0.05$ $0.07$ $0.09$
Arjun
asked
in
Transportation Infrastructure
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
geometric-design-of-highways
horizontal-curves
0
votes
0
answers
5
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 ________________
Arjun
asked
in
Transportation Infrastructure
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
concept-of-airport-runway
effective-gradient
0
votes
0
answers
6
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)
go_editor
asked
in
Transportation Infrastructure
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
concept-of-airport-runway-length
0
votes
0
answers
7
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 $36$ $39$ $42$ $48$
go_editor
asked
in
Transportation Infrastructure
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
airport-runway-length
0
votes
0
answers
8
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 ________.
go_editor
asked
in
Transportation Infrastructure
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
numerical-answers
geometric-design-of-highways
0
votes
0
answers
9
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 $e= 1.676 \dfrac{V^2}{R} \\$ $e= 1.315 \dfrac{V^2}{R} \\$ $e= 0.80 \dfrac{V^2}{R} \\$ $e= 0.60 \dfrac{V^2}{R}$
gatecse
asked
in
Transportation Infrastructure
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
transportation-infrastructure
transportation-engineering
geometric-design-of-railway-track
0
votes
0
answers
10
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 $0.6$
gatecse
asked
in
Transportation Infrastructure
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
0
votes
0
answers
11
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 _______
gatecse
asked
in
Transportation Infrastructure
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
transportation-infrastructure
transportation-engineering
geometric-design-of-highways
0
votes
0
answers
12
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 ... $\dfrac{0.02 \: G}{f_r+0.01 \:G} \times 100 \\$ $\dfrac{2f_r}{f_r+0.01 \:G} \times 100$
Arjun
asked
in
Transportation Infrastructure
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
transportation-engineering
horizontal-and-vertical-alignments
0
votes
0
answers
13
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 ______
Arjun
asked
in
Transportation Infrastructure
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
numerical-answers
transportation-engineering
traffic-engineering
horizontal
-alignments
0
votes
0
answers
14
GATE2019 CE-2: 45
A broad gauge railway line passes through a horizontal curved section (radius $=875 \:m$) of length $200 \: m$. The allowable speed on this portion is $100 \: km/h$. For calculating the cant, consider the gauge as centre-to-centre distance between ... (in $mm$, round off to $1$ decimal place) with respect to the centre-to-centre distance between the rail heads is _____________
Arjun
asked
in
Transportation Infrastructure
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
numerical-answers
transportation-infrastructure
transportation-engineering
railway-track
0
votes
0
answers
15
GATE2016-1-53
A two lane, one-way road with radius of $50$ m is predominantly carrying lorries with wheelbase of $5$ m. The speed of lorries is restricted to be between $60$ kmph and $80$ kmph. The mechanical widening and psychological widening required at $60$ kmph are designated as $w_{me,60}$ and $w_{ps,60}$, ... $1.19 \:m, 0.50 \:m, 0.89 \:m, \text{ and } 0.50 \:m$
Milicevic3306
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in
Transportation Infrastructure
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
0
votes
0
answers
16
GATE2017 CE-1: 16
A super-elevation $e$ is provided on a circular horizontal curve such that a vehicle can be stopped on the curve without sliding. Assuming a design speed $v$ and maximum coefficient of side friction $f_{max}$, which one of the following criteria should be satisfied? $e \leq f_{max}$ $e > f_{max}$ no limit on $e$ can be set $e = \dfrac{1-(f_{max})^2}{f_{max}}$
Milicevic3306
asked
in
Transportation Infrastructure
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
0
votes
0
answers
17
GATE2017 CE-1: 17
A runway is being constructed in a new airport as per the International Civil Aviation Organization (ICAO) recommendations. The elevation and the airport reference temperature of this airport are $535 \: m$ above the mean sea level and $22.65^{\circ}C$, respectively. Consider the ... length of runway corrected for the temperature is $2223 \: m$ $2250 \: m$ $2500 \: m$ $2750 \: m$
Milicevic3306
asked
in
Transportation Infrastructure
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
transportation-infrastructure
transportation-engineering
airport-runway-length
0
votes
0
answers
18
GATE2017 CE-1: 18
The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as $\pm (a \: mm + b \: ppm)$. Which one of the following statements is correct? Both $a$ and $b$ remain constant, irrespective of the distance being measured $a$ ... proportion to the distance being measured and $b$ remains constant Both $a$ and $b$ vary in proportion to the distance being measured
Milicevic3306
asked
in
Transportation Infrastructure
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
transportation-infrastructure
transportation-engineering
electronic-distance-measuring-instrument(edmi)
0
votes
0
answers
19
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 $115.0$ $152.3$ $264.3$ $528.5$
Milicevic3306
asked
in
Transportation Infrastructure
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-2
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
0
votes
0
answers
20
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.
Milicevic3306
asked
in
Transportation Infrastructure
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-1
numerical-answers
transportation-engineering
transportation-infrastructure
sight-distances
0
votes
0
answers
21
GATE Civil 2013 | Question: 24
For two major roads with divided carriageway crossing at right angle, a full clover leaf interchange with four indirect ramps is provided. Following statements are made on turning movement of vehicles to all directions from both roads. Identify the ... left is not possible, but diverging to left is possible Neither merging from left nor diverging to left is possible
Milicevic3306
asked
in
Transportation Infrastructure
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2013-ce
transportation-infrastructure
transportation-engineering
geometric-design-of-highways
0
votes
0
answers
22
GATE Civil 2012 | Question: 45
The following data are related to a horizontal curved portion of a two-lane highway: length of curve $200$ m, radius of curve $=300$ m and with of pavement $=7.5$ m. In order to provide a stopping sight distance (SSD) of $80$ m, the set back distance (in m) required from the centre line of the inner lane of the pavement is $2.54$ $4.55$ $7.10$ $7.96$
Milicevic3306
asked
in
Transportation Infrastructure
Mar 25, 2018
by
Milicevic3306
11.9k
points
gate2012-ce
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
0
votes
0
answers
23
GATE Civil 2012 | Question: 24
Road roughness is measured using Benkelman beam Bump integrator Dynamic cone penetrometer Falling weight deflectometer
Milicevic3306
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in
Transportation Infrastructure
Mar 25, 2018
by
Milicevic3306
11.9k
points
gate2012-ce
transportation-infrastructure
transportation-engineering
urban-roads
geometric-design-of-highways
0
votes
0
answers
24
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
gatecse
asked
in
Transportation Infrastructure
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-1
transportation-engineering
speed-density-relationship
transportation-infrastructure
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