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Recent questions tagged transportation-engineering
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1
GATE Civil 2024 Set 1 | Question: 12
A car is travelling at a speed of $60 \mathrm{~km} / \mathrm{hr}$ on a section of a National Highway having a downward gradient of $2 \%$. The driver of the car suddenly observes a stopped vehicle on the car path at a distance $130 \mathrm{~m}$ ahead, and applies ... the car to a safe stop lies in the range $126$ to $130$ $41$ to $45$ $33$ to $37$ $75$ to $79$
A car is travelling at a speed of $60 \mathrm{~km} / \mathrm{hr}$ on a section of a National Highway having a downward gradient of $2 \%$. The driver of the car suddenly ...
admin
4.2k
points
admin
asked
Feb 16
Highway Pavements
gatecivil-2024-set1
highway-pavements
friction
transportation-engineering
gravity
+
–
0
votes
0
answers
2
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
+
–
0
votes
0
answers
3
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
+
–
0
votes
0
answers
4
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 __________.
go_editor
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
5
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
6
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
+
–
0
votes
0
answers
7
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
+
–
0
votes
0
answers
8
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
+
–
0
votes
0
answers
9
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
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$
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
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 _______
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
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$
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
13
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
14
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
15
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
16
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
17
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
18
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
19
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
20
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
+
–
0
votes
0
answers
21
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
+
–
0
votes
0
answers
22
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
+
–
0
votes
0
answers
23
GATE2019 CE-2: 44
The uniform arrival and uniform service rates observed on an approach road to a signalized intersection are $20$ and $50$ vehicles/minute, respectively. For this signal, the red time is $30 \: s$, the effective green time is $30 \: s$, and the cycle ... average delay per vehicle using the approach road during a cycle length (in $s$, round off to $2$ decimal places) is __________
The uniform arrival and uniform service rates observed on an approach road to a signalized intersection are $20$ and $50$ vehicles/minute, respectively. For this signal, ...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Traffic Engineering
gate2019-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
24
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 _____________
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 ...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Transportation Infrastructure
gate2019-ce-2
numerical-answers
transportation-infrastructure
transportation-engineering
railway-track
+
–
0
votes
0
answers
25
GATE2019 CE-2: 46
The speed-density relationship of a highway is given as $u = 100 – 0.5 \: k$ where, $u=$ speed in $km$ per hour, $k=$ density in vehicles per $km$. The maximum flow (in vehicles per hour, round off to the nearest integer) is _______
The speed-density relationship of a highway is given as $$u = 100 – 0.5 \: k$$ where, $u=$ speed in $km$ per hour, $k=$ density in vehicles per $km$. The maximum flow (...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Transportation Engineering
gate2019-ce-2
numerical-answers
transportation-engineering
+
–
0
votes
0
answers
26
GATE2016-2-21
In the context of the $IRC \: 58-2011$ guidelines for rigid pavement design, consider the following pair of statements. Radius of relative stiffness is directly related to modulus of elasticity of concrete and inversely related to Poisson's ratio Radius of relative stiffness is directly ... is correct? I. True; II: True I. False; II: False I. True; II: False I. False; II: True
In the context of the $IRC \: 58-2011$ guidelines for rigid pavement design, consider the following pair of statements.Radius of relative stiffness is directly related to...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Highway Pavements
gate2016-ce-2
highway-pavements
transportation-engineering
design-of-flexible-pavement
irc-58-2011
+
–
0
votes
0
answers
27
GATE2016-2-22
If the total number of commercial vehicles per day ranges from $3000$ to $6000$, the minimum percentage of commercial traffic to be surveyed for axle load is $15$ $20$ $25$ $30$
If the total number of commercial vehicles per day ranges from $3000$ to $6000$, the minimum percentage of commercial traffic to be surveyed for axle load is$15$$20$$25$$...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Traffic Engineering
gate2016-ce-2
traffic-engineering
transportation-engineering
axle-load
surveys
statical-analysis-of-traffic-data
+
–
0
votes
0
answers
28
GATE2016-2-53
The critical flow ratios for a three-phase signal are found to be $0.30, 0.25$ and $0.25$. The total time lost in the cycle is $10 \: s$. Pedestrian crossings at this junction are not significant. The respective Green times (expressed in seconds and rounded off to the nearest integer) for the three phases are $34, 28$, and $28$ $40, 25$, and $25$ $40, 30$, and $30$ $50, 25$, and $25$
The critical flow ratios for a three-phase signal are found to be $0.30, 0.25$ and $0.25$. The total time lost in the cycle is $10 \: s$. Pedestrian crossings at this jun...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Traffic Engineering
gate2016-ce-2
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
0
answers
29
GATE2016-2-54
A motorist traveling at $100$ km/h on a highway needs to take the next exit, which has a speed limit of $50$ km/h. The section of the roadway before the ramp entry has a downgrade of $3 \%$ and coefficient of friction $(f)$ is $0.35$. In order to enter the ramp at the maximum allowable speed limit, the braking distance (expressed in m) from the exit ramp is __________
A motorist traveling at $100$ km/h on a highway needs to take the next exit, which has a speed limit of $50$ km/h. The section of the roadway before the ramp entry has a ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Traffic Engineering
gate2016-ce-2
numerical-answers
traffic-engineering
transportation-engineering
speed
+
–
0
votes
0
answers
30
GATE2016-1-21
During a forensic investigation of pavement failure, an engineer reconstructed the graphs P, Q, R, and S, using partial and damaged old reports. Theoretically plausible correct graphs according to the ‘Marshall mixture design output’ are P, Q, R P, Q, S Q, R, S R, S, P
During a forensic investigation of pavement failure, an engineer reconstructed the graphs P, Q, R, and S, using partial and damaged old reports.Theoretically plausible co...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Transportation Engineering
gate2016-ce-1
highway-pavement
transportation-engineering
pavement-failure
marshall-mixture
+
–
0
votes
0
answers
31
GATE2016-1-22
In a one-lane one-way homogeneous traffic stream, the observed average headway is $3.0$ s. The flow (expressed in vehicles/hr) in this traffic stream is ________
In a one-lane one-way homogeneous traffic stream, the observed average headway is $3.0$ s. The flow (expressed in vehicles/hr) in this traffic stream is ________
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Traffic Engineering
gate2016-ce-1
numerical-answers
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
32
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 $w_{ps,60}$, ... $1.19 \:m, 0.50 \:m, 0.89 \:m, \text{ and } 0.50 \:m$
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 $...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Transportation Infrastructure
gate2016-ce-1
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
+
–
0
votes
0
answers
33
GATE2016-1-54
While traveling along and against the traffic stream, a moving observer measured the relative flows as $50$ vehicles/hr and $200$ vehicles/hr, respectively. The average speeds of the moving observer while traveling along and against the stream are $20$ km/hr and $30$ km/hr, respectively. The density of the traffic stream (expressed in vehicles/km) is _________
While traveling along and against the traffic stream, a moving observer measured the relative flows as $50$ vehicles/hr and $200$ vehicles/hr, respectively. The average s...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Traffic Engineering
gate2016-ce-1
numerical-answers
traffic-engineering
transportation-engineering
density-of-traffic-stream
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
34
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 $e = \dfrac{1-(f_{max})^2}{f_{max}}$
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 ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Transportation Infrastructure
gate2017-ce-1
transportation-engineering
transportation-infrastructure
geometric-design-of-highways
+
–
0
votes
0
answers
35
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 $2223 \: m$ $2250 \: m$ $2500 \: m$ $2750 \: m$
A runway is being constructed in a new airport as per the International Civil Aviation Organization (ICAO) recommendations. The elevation and the airport reference temper...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Transportation Infrastructure
gate2017-ce-1
transportation-infrastructure
transportation-engineering
airport-runway-length
+
–
0
votes
0
answers
36
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
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 $a$ a...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Transportation Infrastructure
gate2017-ce-1
transportation-infrastructure
transportation-engineering
electronic-distance-measuring-instrument(edmi)
+
–
0
votes
0
answers
37
GATE2017 CE-1: 25
Vehicles arriving at an intersection from one of the approach roads follow the Poisson distribution. The mean rate of arrival is $900$ vehicles per hour. If a gap is defined as the time difference between two successive vehicle arrivals (with vehicles assumed to be points), the probability (up to four decimal places) that the gap is greater than $8$ seconds is ___________
Vehicles arriving at an intersection from one of the approach roads follow the Poisson distribution. The mean rate of arrival is $900$ vehicles per hour. If a gap is defi...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Traffic Engineering
gate2017-ce-1
numerical-answers
traffic-engineering
transportation-engineering
poisson-distribution
+
–
0
votes
0
answers
38
GATE2017 CE-1: 32
The following observations are made while testing aggregate for its suitability in pavement construction: Mass of oven-dry aggregate in air $=1000 $ g Mass of saturated surface-dry aggregate in air $=1025 $ g Mass of saturated surface-dry aggregate under water $=625 $ g ... and water absorption $=2.5 \%$ apparent specific gravity of aggregate $=2.5$ and water absorption $=2.4 \%$
The following observations are made while testing aggregate for its suitability in pavement construction:Mass of oven-dry aggregate in air $=1000 $ g Mass of saturated su...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Highway Pavements
gate2017-ce-1
highway-pavements
transportation-engineering
+
–
0
votes
0
answers
39
GATE2017 CE-1: 33
The queue length (in number of vehicles) versus time (in seconds) plot for an approach to a signalized intersection with the cycle length of $96$ seconds is shown in the figure (not drawn to scale) At time $t=0$, the light has just turned red. The ... delay per vehicle $=45$ seconds $s=1200$ vph, and for this cycle, the average stopped delay per vehicle $=28.125$ seconds
The queue length (in number of vehicles) versus time (in seconds) plot for an approach to a signalized intersection with the cycle length of $96$ seconds is shown in the ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Traffic Engineering
gate2017-ce-1
traffic-engineering
transportation-engineering
travel-time-delay
statical-analysis-of-traffic-data
+
–
0
votes
0
answers
40
GATE2017 CE-1: 34
The radius of a horizontal circular curve on a highway is $120$ m. The design speed is $60$ km/hour, and the design coefficient of lateral friction between the tyre and road surface is $0.15$. The estimated value of superrelevation required (if full lateral friction is assumed to develop), and the ... $\dfrac{1}{11.6} \text{ and } 0.24 \\$ $\dfrac{1}{12.9} \text{ and } 0.24$
The radius of a horizontal circular curve on a highway is $120$ m. The design speed is $60$ km/hour, and the design coefficient of lateral friction between the tyre and r...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Traffic Engineering
gate2017-ce-1
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
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