Recent questions tagged transportation-engineering / GO Civil

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41

GATE2015-2-23
The following statements are made related to the lengths of turning lanes at signalised intersections: $1.5$ times the average number of vehicles (by vehicle type) that would store in turning lane per cycle during the peak hour. $2$ times the average number of vehicles (by vehicle type) ... lanes is: Maximum of (ii) and (iii) Maximum of (i) and (iii) Average of (i) and (iii) Only (iv)

The following statements are made related to the lengths of turning lanes at signalised intersections:$1.5$ times the average number of vehicles (by vehicle type) that wo...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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42

GATE2015-2-51
The relation between speed $u$ (in km/h) and density $k$ (number of vehicles/km) for a traffic stream on a road is $u=70-0.7k$. The capacity on this road is _________ vph (vehicles/hour).

The relation between speed $u$ (in km/h) and density $k$ (number of vehicles/km) for a traffic stream on a road is $u=70-0.7k$. The capacity on this road is _________ vph...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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43

GATE2015-2-52
Match the information related to tests on aggregates given in Group - I with that in Group - II. ... $P - 4; Q - 1; R - 3; S - 2;$ $P - 3; Q - 4; R - 2; S - 1;$

Match the information related to tests on aggregates given in Group – I with that in Group – II.$\begin{array}{ll} \text{Group – I} & \text{Group – II} \\ P. \tex...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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44

GATE2015-1-22
The penetration value of a bitumen sample tested at $25^{\circ}C$ is $80$. When this sample is heated to $60^{\circ}C$ and tested again, the needle of the penetration test apparatus penetrates the bitumen sample by $d$ mm. The value of $d$ CANNOT be less than ______ mm.

The penetration value of a bitumen sample tested at $25^{\circ}C$ is $80$. When this sample is heated to $60^{\circ}C$ and tested again, the needle of the penetration tes...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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45

GATE2015-1-23
Which of the following statements CANNOT be used to describe free flow speed $(u_f)$ of a traffic stream? $(u_f)$ is the speed when flow is negligible $(u_f)$ is the speed when density is negligible $(u_f)$ is affected by geometry and surface conditions of the road $(u_f)$ is the speed at which flow is maximum and density is optimum

Which of the following statements CANNOT be used to describe free flow speed $(u_f)$ of a traffic stream?$(u_f)$ is the speed when flow is negligible$(u_f)$ is the speed ...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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46

GATE2015-1-51
The acceleration-time relationship for a vehicle subjected to non-uniform acceleration is, $\dfrac{dv}{dt} = (\alpha\: - \beta v_0) e^{ - \beta t}$ where, $v$ is the speed in m/s, $t$ is the time in s, $\alpha$ and $\beta$ are parameters, and $v_0$ is the initial speed ... $\dfrac{dv}{dt}=1.3 m/s^2$ at $t=3$s, the distance (in m) travelled by the vehicle in $35$ s is ________

The acceleration-time relationship for a vehicle subjected to non-uniform acceleration is,$$\dfrac{dv}{dt} = (\alpha\: – \beta v_0) e^{ - \beta t}$$where, $v$ is the sp...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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47

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

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Milicevic3306 asked Mar 26, 2018

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48

GATE2015-1-53
A sign is required to be put up asking drivers to slow down to $30$ km/h before entering Zone $Y$ (see figure). On this road, vehicles require $174$ m to slow down to $30$ km/h (the distance of $174$ m includes the distance travelled during the perception- ... even a $6/9$ vision driver can slow down to $30$ km/h before entering the zone. The minimum value of $x$ is ________ m.

A sign is required to be put up asking drivers to slow down to $30$ km/h before entering Zone $Y$ (see figure). On this road, vehicles require $174$ m to slow down to $30...

Milicevic3306

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Milicevic3306 asked Mar 26, 2018

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49

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

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Milicevic3306 asked Mar 25, 2018

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50

GATE2014-2-51
A student riding a bicycle on a $5$ km one-way street takes $40$ minutes to reach home. The student stopped for $15$ minutes during this ride. $60$ vehicles overtook the student (assume the number of vehicles overtaken by the student is zero) during the ride and $45$ vehicles while the student stopped. The speed of vehicle stream on that road (in km/hr) is $7.5$ $12$ $40$ $60$

A student riding a bicycle on a $5$ km one-way street takes $40$ minutes to reach home. The student stopped for $15$ minutes during this ride. $60$ vehicles overtook the ...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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51

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

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Milicevic3306 asked Mar 25, 2018

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52

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

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Milicevic3306 asked Mar 25, 2018

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53

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

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Milicevic3306 asked Mar 25, 2018

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54

GATE2014-2-27
An observer counts $240$ veh/h at a specific highway location. Assume that the vehicle arrival at the location is Poisson distributed, the probability of having one having vehicle arriving over a $30$-second time interval is _________

An observer counts $240$ veh/h at a specific highway location. Assume that the vehicle arrival at the location is Poisson distributed, the probability of having one havin...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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55

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

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Milicevic3306 asked Mar 25, 2018

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56

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

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Milicevic3306 asked Mar 25, 2018

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57

GATE2014-1-50
A traffic survey conducted on a road yields an average daily traffic count of $5000$ ... the vehicle damage factor (VDF) is calculated from the above data, the design traffic (in million standard axle load, MSA) is ________

A traffic survey conducted on a road yields an average daily traffic count of $5000$ vehicles. The axle load distribution on the same road is given in the following table...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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58

GATE2014-1-52
The speed-density $(u-k)$ relationship on a single lane road with unidirectional flow is $u=70-0.77k$, where $u$ is in km/hr and $k$ is in veh/km. The capacity of the road (in veh/hr) is ___________

The speed-density $(u-k)$ relationship on a single lane road with unidirectional flow is $u=70-0.77k$, where $u$ is in km/hr and $k$ is in veh/km. The capacity of the roa...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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59

GATE2014-1-53
An isolated three-phase traffic signal is designed by Webster’s method. The critical flow ratios for three phases are $0.20$, $0.30$, and $0.25$ respectively, and lost time per phase is $4$ seconds. The optimum cycle length (in seconds) is ____________

An isolated three-phase traffic signal is designed by Webster’s method. The critical flow ratios for three phases are $0.20$, $0.30$, and $0.25$ respectively, and lost ...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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60

GATE2014-1-29
A traffic office imposes on an average $5$ number of penalties daily on traffic violators. Assume that the number of penalties on different days is independent and follows a Poisson distribution. The probability that there will be less than $4$ penalties in a day is ___________

A traffic office imposes on an average $5$ number of penalties daily on traffic violators. Assume that the number of penalties on different days is independent and follow...

Milicevic3306

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61

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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62

GATE2014-1-24
The following statements are related to temperature stresses developed in concrete pavement slabs with free edges (without any restraint): The temperature stresses will be zero during both day and night times if the pavement slab is considered weightless The temperature stresses will be ... slab is considered The TRUE statement(s) is(are) P only Q only P and Q only P and R only

The following statements are related to temperature stresses developed in concrete pavement slabs with free edges (without any restraint):The temperature stresses will be...

Milicevic3306

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63

GATE Civil 2013 | Question: 45
The percent voids in mineral aggregate (VMA) and percent air voids $(V_v)$ in a compacted cylindrical bituminous mix specimen are $15$ and $4.5$ respectively. The percent voids filled with bitumen (VFB) for this specimen is: $24$ $30$ $54$ $70$

The percent voids in mineral aggregate (VMA) and percent air voids $(V_v)$ in a compacted cylindrical bituminous mix specimen are $15$ and $4.5$ respectively. The percent...

Milicevic3306

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64

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

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 o...

Milicevic3306

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65

GATE Civil 2013 | Question: 23
It was observed that $150$ vehicles crossed a particular location of a highway in a duration of $30$ minutes. Assuming that vehicle arrival follows a negative exponential distribution, find out the number of time headways greater than $5$ seconds in the above observation? ________

It was observed that $150$ vehicles crossed a particular location of a highway in a duration of $30$ minutes. Assuming that vehicle arrival follows a negative exponential...

Milicevic3306

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66

GATE Civil 2013 | Question: 22
Select the strength parameter of concrete used in design of plain jointed cement concrete pavements from the following choices: Tensile strength Compressive strength Flexural strength Shear strength

Select the strength parameter of concrete used in design of plain jointed cement concrete pavements from the following choices:Tensile strengthCompressive strengthFlexura...

Milicevic3306

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67

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 $2.54$ $4.55$ $7.10$ $7.96$

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 o...

Milicevic3306

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68

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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69

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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70

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

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71

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

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72

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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73

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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74

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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75

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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76

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

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gatecse asked Feb 17, 2018

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77

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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78

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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79

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

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gatecse asked Feb 17, 2018

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3 answers

80

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