Question 1
A Spiral transition curve has a varying radius.
A. True
B. False
View Answer
Answer: Option A
Explanation:
The above statement, “A Spiral transition curve has a varying radius” is true. It starts with its radius at infinity and then ends at the radius of the circular curve.
Question 2
Arterials are surface facilities designed essentially for through movement and not permitting any access to abutting land.
A. True
B. False
View Answer
Answer: Option B
Explanation:
The given statement is false. Arterials are surface facilities designed essentially for through movement of vehicles. They permit some access to abutting land.
Question 3
Broken-back grade lines should be provided where ever practicable.
A. True
B. False
View Answer
Answer: Option B
Explanation:
“Broken-back grade lines should be provided where ever practicable” is a false statement. Broken-back grade lines should be avoided where ever practicable. Broken-back grade lines are two consecutive vertical curves in the same orientation parted by a short tangent section.
Question 4
Coordinated signals provided for continuous progressive movement at appropriate speed strengthens the function of arterial.
A. True
B. False
View Answer
Answer: Option A
Explanation:
The given statement is true. Coordinated signals provided for continuous progressive movement at appropriate speed to strengthen the function of arterial. Parking prohibition also strengthens the function of arterial.
Question 5
Cross-sections are designed every 30.5 m along the length and at the point that forms a transition.
A. True
B. False
View Answer
Answer: Option A
Explanation:
The above statement, “Cross-sections are designed every 30.5 m along the length and at the point that forms a transition” is true. This is done to provide comfort to the riders.
Question 6
How many travel movements are present on a typical trip?
A. 5
B. 6
C. 3
D. 2
View Answer
Answer: Option B
Explanation:
There are 6 types of travel movements on a typical trip as per AASHTO. Main Movement, Transition, Distribution, Collection, Access, and Termination are the 6 types of travel movements in a typical trip as per AASHTO.
Question 7
If the degree of curvature is higher then the curve is ______
A. sharper
B. flatter
C. vertical
D. elliptical
View Answer
Answer: Option A
Explanation:
If the degree of curvature is higher then the curve is sharper. The severity of the circular horizontal curve is Degree of curvature.
Question 8
In how many groups are highways classified based on access and mobility?
A. 3
B. 4
C. 6
D. 2
View Answer
Answer: Option B
Explanation:
Highways are classified into 4 groups based on access and mobility. The four major classes of highways are Limited-access facilities, Arterials, Collectors and Local street.
Question 9
In how many stages does the transition from a tangent section to super-elevated horizontal curve takes place?
A. 3
B. 2
C. 4
D. 5
View Answer
Answer: Option B
Explanation:
In 2 stages, the transition from a tangent section to super-elevated horizontal curve takes place. Tangent runoff and superelevation runoff are the two stages of transition.
Question 10
Length of the transition curve is the maximum of length due to _____
A. centrifugal force, superelevation, and empirical
B. centrifugal force, superelevation, and tangent
C. superelevation, centripetal, and empirical
D. superelevation, centripetal, and design speed
View Answer
Answer: Option A
Explanation:
Length of transition curve is the maximum of length due to centrifugal force, superelevation, and empirical. Transition curve is the horizontal curve provided between straight alignment to a circular curve for a smooth transition.
Question 11
The distance from the centreline of the inside lane to the nearest roadside sight blockage is called.
A. Length of curve
B. Apex
C. Mid-ordinate
D. Tangent
View Answer
Answer: Option C
Explanation:
The distance from the centreline of the inside lane to the nearest roadside sight blockage is called Mid-ordinate. The formula for mid-ordinate is, M = R(1-cos θ/2) where, M = mid-ordinate R = radius of curvature θ = angle of deflection.
Question 12
The sight distance in a sag vertical curve is limited by which factor given below during night time driving condition?
A. Design speed
B. Driver’s height
C. Headlamp range
D. Ruling speed
View Answer
Answer: Option C
Explanation:
The sight distance in a sag vertical curve is limited by Headlamp range during night time driving condition. Sight distance is the length visible to the driver while travelling on the road.
Question 13
The value of side-friction factor varies with ______
A. design speed
B. superelevation
C. skidding
D. overturning
View Answer
Answer: Option A
Explanation:
The value of side friction varies with design speed. Side-friction factor also represents frictional forces that can be easily accomplished.
Question 14
What are the two types of vertical curves?
A. Crest and sag
B. Crest and plume
C. Sag and sink
D. Sink and fall
View Answer
Answer: Option A
Explanation:
The two types of vertical curves are crest and sag. Crest, as the name suggests, is a vertical curve having its entry tangent grade greater than the exit tangent grade. While sag has its entry tangent grade smaller than its exit tangent grade.
Question 15
What is the maximum side slope of cut and fill section where sandy soil is predominant?
A. 1:2
B. 3:1
C. 6:1
D. 10:1
View Answer
Answer: Option C
Explanation:
The maximum side slope of cut and fill section where sandy soil is predominant is 6:1. 3:1 is the maximum side slope of cut and fill section for the safe functioning of maintenance and mowing actions.
Question 16
What is the mid-ordinate of a curve with a radius of curvature 2m and angle of deflection = 60°?
A. 0.342
B. 0.268
C. 0.112
D. 0.245
View Answer
Answer: Option B
Explanation:
M = R(1-cos θ/2)where, M = mid-ordinate R = radius of curvature θ = angle of deflectionM = R(1-cos θ/2) = 2(1-cos60/2) = 0.268 m.
Question 17
The function of arterial can be strengthened by which of the following options?
A. Incorporating sharp curvature
B. Use of cul-de-sacs
C. Not having any residence in front of collector
D. Limiting the number of locations of entry and exit on the arterial
View Answer
Answer: Option D
Explanation:
By limiting the number of locations of entry and exit on the arterial, the function of arterial can be strengthened. Incorporating sharp curvature and use of cul-de-sacs strengthens the function of local street. Not having any residence in front of collector strengthens the function of collector.
Question 18
What is the unit of Grade in a vertical alignment?
A. Meter
B. Hectare
C. Dimensionless
D. Kilograms
View Answer
Answer: Option C
Explanation:
Grade in a vertical alignment is a dimensionless quantity. Grade is the longitudinal slope of a roadway. It is represented with a decimal or percentage.
Question 19
Which class of highway classification provides 100% mobility?
A. Arterials
B. Collectors
C. Limited-access facilities
D. Local street
View Answer
Answer: Option C
Explanation:
Limited-access facilities is the class of highway classification that provides 100% mobility. But access to bordering land is prohibited.
Question 20
Which of the following is an important consideration for designing cross-sections of a highway?
A. Superelevation
B. Topography
C. Forecast demand volumes
D. Sub-surface conditions
View Answer
Answer: Option A
Explanation:
Superelevation is an important consideration for designing cross-sections of a highway. Lane widths, medians, and shoulders are some of the considerations taken when designing cross-sections of a highway.
Question 21
Which of the following is an important consideration for designing Horizontal alignment?
A. Social consideration
B. Aesthetics
C. Maintenance of comfortable operations
D. Superelevation
View Answer
Answer: Option A
Explanation:
Social consideration is is an important factor when designing a Horizontal alignment. Forecast demand volumes, patterns of development and natural barriers are some of the factors that are considered when designing a Horizontal alignment.
Question 22
Which of the following is not a feature of cross-section elements of a highway?
A. Shoulders
B. Side slopes
C. Curbs
D. Signal
View Answer
Answer: Option D
Explanation:
Signal is not a feature of cross-section elements of a highway. Shoulders, side slopes, curbs, guardrails, and drainage channels are some of the features of a cross-sectional element of a highway.
Question 23
Which of the following is not a primary element of the geometry of a highway section?
A. Horizontal alignment
B. Vertical alignment
C. Cross-sectional element
D. Traffic Signals
View Answer
Answer: Option D
Explanation:
Traffic Signals is not a primary element of the geometry of a highway section. Horizontal alignment, vertical alignment, and cross-sectional element are the primary elements that govern the geometry of a highway.
Question 24
Which of the following is not an Engineering factor?
A. Topography
B. Natural barriers
C. Forecast demand volumes
D. Drainage patterns
View Answer
Answer: Option C
Explanation:
Forecast demand volumes is not an Engineering factor. It deals with demand prediction and specific origin and destination of vehicles.
Question 25
Which of the following is a primary design criterion for vertical curves?
A. Drainage
B. Forecast demand volumes
C. Sub-surface conditions
D. Natural barriers
View Answer
Answer: Option A
Explanation:
Drainage is a primary design criterion for vertical curves. Forecast demand volumes, sub-surface conditions, and natural barriers are primary factors for designing horizontal curves.
Question 26
Which one of the following is not an advantage of spiral transition?
A. Easy path for drivers to follow
B. Aesthetics
C. Agreeable arrangement of superelevation runoff
D. Less delay
View Answer
Answer: Option D
Explanation:
Less delay is not an advantage of spiral transition. Easy path for drivers to follow, aesthetics, and agreeable arrangement of superelevation runoff are the advantages of spiral transition.
Question 27
Which travel movement occurs when vehicle transfers from the through portion of trip to the remaining travel movement functions?
A. Main Movement
B. Access
C. Transition
D. Distribution
View Answer
Answer: Option C
Explanation:
The travel movement which occurs when vehicle transfers from the through portion of the trip to the remaining travel movement function is Transition. For example, a vehicle uses ramp transition from a freeway to a surface arterial.