Category: Highway Engineering Objective Questions

250+ TOP MCQs on Low Volume Roads and Answers

Highway Engineering Multiple Choice Questions on “Low Volume Roads”.

1. The design life for low volume roads is __________
a) 10 years
b) 15 years
c) 20 years
d) 30 years
Answer: a
Clarification: The low volume roads consist of low volume traffic and its life span is taken as 10 years.

2. The million standard axles in low volume roads is considered as __________
a) 1 million
b) 1.5 million
c) Less than 1 million
d) 2 million
Answer: c
Clarification: The volume on low volume roads is taken less than 1 million for design purpose, it may actually be more but for ease it is taken as 1 million.

3. The low volume roads are designed as __________
a) All weather roads
b) Fair weather roads
c) Flexible pavement
d) Rigid pavement
Answer: b
Clarification: Though the low volume road may have a lesser life span and capacity it should be accessible in all weathers.

4. The type of road used for ESAL value less than 10000 is?
a) Earth road
b) Gravel road
c) Flexible pavement
d) Rigid pavement
Answer: a
Clarification: The earth road is the most suitable for less volume of road, it is a value that is obtained based on the traffic load.

5. What is the maximum limit of sub grade thickness?
a) 150 mm
b) 200 mm
c) 300 mm
d) 400 mm
Answer: c
Clarification: The prepared sub grade is limited to a maximum of 300 mm, in any case it must not exceed 300 mm.

6. The base course is generally laid in earth road for a thickness of __________
a) 40 mm
b) 60 mm
c) 80 mm
d) 100 mm
Answer: d
Clarification: The base course is laid for a thickness of 100 mm, it may exceed in some cases, in some cases it may be 80 mm and even 40 mm in unimportant roads.

7. The camber depends on __________
a) Road
b) Heat
c) Wind
d) Rainfall
Answer: d
Clarification: The camber is provided to eliminate the rain that may be stored near the surfaces.

8. The plasticity index in soil used for low volume roads should be less than __________
a) 10
b) 9
c) 7
d) 6
Answer: d
Clarification: The plastic limit for the soil should not exceed 6 in any case for the soil that is used in the pavement.

9. The gravel content in the surface layer can be a maximum of __________
a) 60%
b) 70%
c) 80%
d) 90%
Answer: c
Clarification: The maximum gravel content in surface layer should be maximum of 80% and the minimum depends on the type of the pavement.

10. The minimum slope provided in a surface of cement concrete pavement is?
a) 1%
b) 1.5%
c) 2%
d) 2.5%
Answer: d
Clarification: The minimum slope provided is 2%, the maximum may be 2.5%. for a surface of the cement concrete pavement.

250+ TOP MCQs on Distresses in Rigid Pavements and Maintenance Measures – 2 and Answers

Highway Engineering Questions and Answers for Aptitude test on “Distresses in Rigid Pavements and Maintenance Measures – 2”.

1. The probable causes for loss of surface texture don’t include ___________
a) Poor texturing
b) Abrasion
c) Movement of Traffic
d) Use of durable materials
Answer: d
Clarification: The loss of surface is not caused due to the durable materials, it is caused due to non durable materials.

2. The surface texture may be calculated by ___________
a) Abrasion test
b) Impact test
c) British pendulum number
d) Viscosity test
Answer: c
Clarification: British pendulum number is a test which is conducted for the testing of the pavement frictional resistance.

3. The depth of groove in skid resistance test is ___________
a) 0.5 mm
b) 1.0 mm
c) 1.5 mm
d) 2.0 mm
Answer: c
Clarification: The depth of the groove in the skid resistance test is 1.5 mm, in which it can handle the apparatus.

4. The structural distress in the CC pavement is not due to ___________
a) Excessive loading
b) Inadequate thickness
c) Long spacing
d) Erosion
Answer: d
Clarification: The erosion is not structural distress, it is a type of functional distress, structural distress are related to design.

5. The method not used in structural evaluation of CC pavement is?
a) Visual inspection
b) Deflection test
c) Non destructive testing
d) Benkleman test
Answer: d
Clarification: Benkleman test is a method used to verify the deflection of flexible pavement and not used in rigid pavement.

6. The methods of crack repairs are classified into how many types?
a) One
b) Two
c) Three
d) Four
Answer: c
Clarification: The methods of crack repairs are crack stitching, partial depth and full depth repairs.

7. The diameter of bars used for insertion in crack stitching method is ___________
a) 8 mm
b) 10 mm
c) 12 mm
d) 16 mm
Answer: d
Clarification: The diameter of the bars used are 16 mm HYSD bars which are bent into U shape and inserted in holes at 600 mm intervals.

8. The partial depth repairs are limited to a slab height of less than ___________
a) 150 mm
b) 100 mm
c) 90 mm
d) 75 mm
Answer: d
Clarification: The partial depth repairs are limited to a height of less than 75 mm, or 1/3rd of the height of slab.

9. In full depth repairs the diameter of the hole is greater than the diameter of dowel bar by ___________
a) 1 mm
b) 1.5 mm
c) 2.0 mm
d) 2.5 mm
Answer: c
Clarification: The diameter of the hole dug is 2 mm more than the diameter of the dowel bar, which is useful for inserting tie bars.

10. The pavement condition factor for good condition is?
a) 0.25
b) 0.35
c) 0.45
d) 1.0
Answer: d
Clarification: The factor for the good, sound and slightly cracked pavement is 1.0, if it gives more cracks it decreases from 0.45 to 0.25.

Highway Engineering for Aptitude test,

250+ TOP MCQs on Highway Finance and Answers

Highway Engineering Multiple Choice Questions on “Highway Finance”.

1. The average annual highway cost for a road system may be summed up by __________
a) Ca=H+T+M+Cr
b) Ca=H+T+M-Cr
c) Ca=H+T
d) Ca=H
Answer: a
Clarification: The average cost of the annual road system is the sum of all costs like average cost of highway administration, operation and maintenance and also the recovery fund.

2. The CRF denotes __________
a) Central Road Fund
b) Capital Recovery Fund
c) Capital Recovery Factor
d) Central Research Fund
Answer: c
Clarification: The first cost of a capital improvement is converted into equivalent annual cost which is called capital recovery factor.

3. The Vs in average annual capital cost represents?
a) Savage value
b) Salvage value
c) Waste value
d) Usable value
Answer: b
Clarification: Salvage is the income available after the structure has almost completed the life span.

4. If the principal is P and rate of interest is i and it has to be paid in n years then, the sum S is given by __________
a) P(1+i)
b) P(1-i)
c) P/I
d) P(1+i)n
Answer: d
Clarification: The compound interest is calculated for every year and it’s leived on the preceding interest.

5. What is the first step in economic analysis?
a) Determine the AADT
b) Estimate growth rate
c) Assessment of traffic route
d) Estimate additional traffic
Answer: a
Clarification: The average annual daily traffic is required for the completion of the remaining steps.

6. The method not used in economic analysis is __________
a) Annual cost
b) Rate of return
c) Benefit cost ratio
d) Floating car
Answer: d
Clarification: The floating car method is a method that is used for the estimation of the traffic, whereas the remaining are methods of analysis of the cost.

7. The savings in annual road user costs, annual savings in accident costs and capital cost of Improvement are parameters used in __________
a) Annual cost method
b) Rate of return method
c) Benefit cost ratio
d) None
Answer: b
Clarification: The transport laboratory of London has developed this method in which a rate of return is obtained by these parameters, the remaining methods don’t require these parameters.

8. The ratio of annual benefit from improvement to annual cost of the improvement is called __________
a) Benefit
b) Cost
c) Benefit cost ratio
d) Maintenance cost
Answer: c
Clarification: The ratio of annual benefit from the improvement to annual cost of the improvement is called benefit cost ratio, benefit is the profit, cost is the investment and maintenance cost is after the investment.

9. The national highway act was ammended in __________
a) April 1956
b) June 1995
c) July 1956
d) August 1995
Answer: b
Clarification: The national highway act 1956, was amended in June 1995, it was actually planned in April 1956.

10. As on April 2009, how many projects have been completed on BOT basis?
a) 5
b) 42
c) 25
d) 9
Answer: d
Clarification: As on April 2009, twenty five projects have been sanctioned and nine projects were completed by April 2009 and in other proposals 42 projects were remaining in which 5 are completed.

250+ TOP MCQs on Highway Alignment and Answers

Highway Engineering Multiple Choice Questions on “Highway Alignment”.

1. The changes in gradient and vertical curve are covered under which type of alignment?
a) Horizontal alignment
b) Vertical alignment
c) Geometric design
d) Highway specifications

Answer: b
Clarification: The changes in gradient and vertical curves are covered under the vertical alignment, whereas the remaining three are covered under horizontal alignment.

2. The improper alignment of road will not result in __________
a) Increase in construction cost
b) Increase in maintenance cost
c) Increase of population
d) Increase in accidents

Answer: c
Clarification: The increase of population does not depend on the alignment of the road, whereas improper construction and maintenance lead to accidents.

3. The basic requirement of alignment should be __________
a) Short
b) Easy
c) Safe
d) Short, easy, safe and economical

Answer: d
Clarification: The alignment of the road should be short, safe, easy and economical for users and engineers.

4. The economical option during the construction of a road around a hill is __________
a) Cut the hill
b) Provide a tunnel
c) Provide a road around the hill
d) Look for other alternative approaches

Answer: c
Clarification: The most economical option is to provide a road around the hill. In this alternative approach is not advisable as it has to pass either through the hill or nearby the hill.

5. Obligatory points through which the alignment should not pass are __________
a) Religious structure and costly structures
b) Intermediate towns
c) Important cities
d) Important places of worship

Answer: a
Clarification: The obligatory points through which alignment should not pas include religious structures and costly structures because destroying them would require a lot of compensation.

6. The desire lines are prepared for the study of __________
a) Traffic flow
b) Origin and destination
c) Growth of traffic in the future
d) Anticipated traffic flow

Answer: a
Clarification: The desire lines are lines which study the traffic flow from origin and destination.

7. Which of the following types of roads are most preferred for highways?
a) Cement concrete roads
b) Gravel roads
c) Bituminous roads
d) Unpaved surfaces

Answer: c
Clarification: The most preferred type of road is bituminous roads. They are cheap for initial construction when compared to other types of surfaced roads.

8. The stability of slopes is considered while designing?
a) National highway
b) State highway
c) Hill roads
d) District roads

Answer: c
Clarification: The slope stability is important during the design of hill roads, because it may have a danger of landslides.

9. The coefficient of lateral friction as recommended by IRC is __________
a) 0.15
b) 0.40
c) 0.35
d) 0.30

Answer: a
Clarification: The coefficient of lateral friction recommended by IRC is 0.15 and it lies between 0.3-0.4 for longitudinal friction.

10. The resisting length should be kept __________
a) minimum
b) Maximum
c) Depends on gradient
d) Depends on rise and fall

Answer: a
Clarification: The resisting length should be kept as low as possible for gradient purposes, if it is maximum then there will be a problem with the gradient.

250+ TOP MCQs on Traffic Flow and Roadway Capacity and Answers

Highway Engineering Multiple Choice Questions on “Traffic Flow and Roadway Capacity”.

1. The weaving manoeuvres is a type of __________
a) Merging
b) Diverging
c) Intersection
d) Crossing
Answer: d
Clarification: The weaving manoeuvre is a type of crossing manoeuvre as it involves crossing of traffic.

2. Which of the following does not affect traffic flow?
a) Vehicles travelling at speed
b) Length of the vehicle
c) Weather conditions
d) Geometric design
Answer: b
Clarification: Traffic flow does not depend on the length of the vehicle, as it is not related to the flow.

3. The speed at which the value of time headway is lowest represents the __________
a) Optimum speed
b) Maximum speed
c) Maximum headway
d) Minimum headway
Answer: a
Clarification: The speed at which the value of time headway is lowest represents the optimum speed.

4. In countries like USA and UAE, which of the regulation is followed?
a) Keep to left
b) Keep to right
c) Keep to middle
d) Follow intersection
Answer: b
Clarification: In countries like US and UAE, keep to right regulation is followed as they follow the left hand drive.

5. When the gap of the vehicle changes to a smaller lane then it is called __________
a) Lane change
b) Forced lane change
c) Simultaneous lane change
d) Voluntary lane change
Answer: b
Clarification: The gap of the vehicle changes to a smaller lane then it is called as forced lane change, as it forces a driver to shift to the smaller lane.

6. The vehicles per unit length at any instant of time is called as __________
a) Density
b) Jam density
c) Maximum density
d) Traffic flow
Answer: a
Clarification: At any instant of time, the vehicles per unit length are called as density, if traffic speed is zero then it is called jam density.

7. The distance between the two consecutive vehicles is called __________
a) Space headway
b) Time headway
c) Jam density
d) Traffic flow
Answer: a
Clarification: The distance between the two consecutive vehicles is called as space headway, and it is measured from head to head of the vehicle.

8. The maximum jam density occurs at __________
a) Zero speed
b) 15th percentile speed
c) 30th percentile speed
d) 98th percentile speed
Answer: a
Clarification: The maximum jam density occurs at zero speed, which indicates that there is no movement of vehicles and the density is maximum.

9. If the space headway is 7m, then the jam density in vehicle/km is __________
a) 142
b) 144
c) 145
d) 146
Answer: a
Clarification: Ki=1000/7
Ki=142 vehicles/km.

10. The minimum space headway increases with __________
a) Increase in length of vehicle
b) Increase in width of vehicle
c) Increase in weight of vehicle
d) Increase in width of pavement
Answer: a
Clarification: The minimum space headway increases with the length of the vehicle, if the length is more then the headway will be more.

11. Which of the following equation is correct?
a) Q=KV
b) K=qv
c) K=qv2
d) V=kq
Answer: a
Clarification: K is the density of vehicles/km and V is the velocity in kmph Q is the number of vehicles.

12. The maximum jam density occurs at __________
a) Ki
b) Ki/2
c) Ki/3
d) Ki/4
Answer: b
Clarification: The maximum jam density occurs at Ki=Ki/2 and Vs = Vsf/2.

13. If the jam density is 145vehicles/km, and velocity is 60kph then the capacity flow is __________
a) 2175
b) 2200
c) 2375
d) 2500
Answer: a
Clarification: Capacity flow=145*60/4
=2175 vehicles per lane.

14. The equivalency factor for the car recommended by IRC is?
a) 0.5
b) 1.0
c) 1.5
d) 2.0
Answer: b
Clarification: The equivalency factor for a car is 1.0, and it increases with the difficulty for the driving of vehicle for hand cart it is 2.0.

15. The maximum theoretical capacity is __________
a) 1000V/S
b) 1000S/V
c) 1000S
d) 1000V
Answer: a
Clarification: The maximum theoretical capacity is 1000V/S, where V is the velocity in kmph and S is the SSD.

250+ TOP MCQs on Design of Highway Pavements and Answers

Highway Engineering Multiple Choice Questions on “Design of Highway Pavements”.

1. The surface of the highway pavement should be designed to allow __________
a) High rolling resistance
b) Low rolling resistance
c) No rolling resistance
d) Very high rolling resistance
Answer: b
Clarification: The surface of highway pavement should be designed to allow no rolling resistance for safety purposes.

2. The soil becomes weak in __________
a) Summer
b) Winter
c) Rainy season
d) Spring season
Answer: c
Clarification: The soil becomes weak in rainy season due to the absorption of water in the soil.

3. The pavement layer is considered superior if it distributes load like a __________
a) Point load
b) Uniformly distributed load
c) Uniformly varying load
d) Triangular load
Answer: a
Clarification: The pavement layer is considered most superior if it distributes the load equally to all parts of pavement.

4. Which of the following pavement has greater life?
a) Bituminous pavements
b) Cement concrete pavements
c) Gravel roads
d) Earth roads
Answer: b
Clarification: The cement concrete roads have a greater life than remaining all pavements which may last even up to 100 years.

5. Which of the following requirement is given most importance in highway design?
a) Structural
b) Functional
c) Seasonal
d) Maintenance
Answer: a
Clarification: The structural design like highway speed, geometric design is given the most importance in design.

6. The surface of the pavement should be __________
a) Smooth
b) Rough
c) Sufficient enough to resist skid
d) Very rough
Answer: c
Clarification: The surface of the pavement should be sufficient enough to resist the skid of vehicles by using friction.

7. Rough and uneven roads increase __________
a) Vehicle cost
b) Petrol cost
c) Accident cost
d) Vehicle operation cost
Answer: d
Clarification: Roughness and uneven roads will increase the cost of vehicle operation and maintenance of vehicle cost.

8. The drainage layer is __________
a) Surface course
b) Sub base
c) Base
d) Sub grade
Answer: b
Clarification: The drainage layer is the sub base layer that is used to collect the water from pavement surfaces to send to ground water.

9. The maximum stress sustained by concrete pavements in kg/cm2 is __________
a) 40
b) 45
c) 50
d) 55
Answer: b
Clarification: The concrete pavements are designed to sustain a stress of 45Kg/cm2 which is the maximum limit.

10. The ICPB type of pavement uses __________
a) Concrete paver blocks
b) Fly ash
c) GGBS
d) RMC
Answer: a
Clarification: The ICPB uses mostly interlocking concrete paver blocks for the construction of pavements.

11. The ICPB may be used in __________
a) Water logged areas
b) Parks
c) Footpaths
d) Highways
Answer: a
Clarification: The inter locking concrete paver blocks may be used in water logged areas to absorb the water and send it to the ground water.

12. The design life of flexible pavement is __________
a) 12
b) 10
c) 8
d) 15
Answer: d
Clarification: The design life of flexible pavement is considered as 15 years, it may last even further if properly maintained.

13. The design period of cement concrete road is taken as __________
a) 20
b) 25
c) 30
d) 35
Answer: c
Clarification: The design period of cement roads is usually taken as 30 years but they can even last longer if properly maintained and designed.

14. In India the flexible pavement is designed as per __________
a) MSA
b) KSA
c) CSA
d) FSA
Answer: a
Clarification: The flexible pavements are designed as per IRC 37 which uses MSA to specify the unit of the vehicles.

15. The maximum length of vehicle that can be used on Indian roads is __________
a) 11
b) 12
c) 13
d) 14
Answer: b
Clarification: The maximum length of a vehicle in India is restricted as per the rotary design of the highway which is maximum 12m.