50 Multiple Choice Questions (MCQs) on Highway Engineering
Road Types & Construction (10 MCQs)
-
Which of the following is a water-bound macadam road?
A) Cement concrete road
B) Bituminous road
C) WBM road ✅
D) Gravel road -
The highest type of road in India’s classification is:
A) State Highway
B) National Highway ✅
C) Major District Road
D) Village Road -
The process of compacting soil in road construction is called:
A) Blending
B) Curing
C) Consolidation
D) Compaction ✅ -
Which of the following roads is not included in Nagpur road plan classification?
A) National Highways
B) State Highways
C) District Roads
D) Expressways ✅ -
Flexible pavements are generally constructed with:
A) RCC
B) Bituminous materials ✅
C) Bricks
D) Stones only -
Which layer in road construction serves as a drainage layer?
A) Subgrade
B) Sub-base ✅
C) Base
D) Wearing course -
Soil stabilization is used to:
A) Decrease pavement thickness
B) Increase soil strength ✅
C) Improve drainage
D) Decorate roads -
Which road is maintained by Border Roads Organisation?
A) National Highways
B) Expressways
C) Strategic roads ✅
D) Urban roads -
The black cotton soil is most unsuitable for:
A) Building foundations
B) Pavement subgrades ✅
C) Agriculture
D) Canal lining -
The most suitable material for the base course in high-traffic roads:
A) Sand
B) Clay
C) Crushed stone ✅
D) Ash
II. Geometric Design of Highways (10 MCQs)
-
Camber is provided in road pavements to:
A) Reduce traffic noise
B) Provide visibility
C) Drain off water ✅
D) Improve friction -
The ruling gradient is:
A) Minimum allowable
B) Preferred gradient ✅
C) Maximum gradient
D) Gradient at valleys -
The width of a single-lane road as per IRC is:
A) 3.0 m
B) 3.75 m ✅
C) 4.25 m
D) 5.5 m -
Super elevation is provided on:
A) Straight roads
B) Curved roads ✅
C) All roads
D) Roads in cities only -
The design speed is:
A) Minimum expected speed
B) Maximum legal speed
C) Safe and economical speed ✅
D) Overtaking speed -
The stopping sight distance depends on:
A) Width of road
B) Height of vehicle
C) Reaction time of driver ✅
D) Super elevation -
The minimum curve radius increases with:
A) Decrease in speed
B) Increase in superelevation
C) Increase in design speed ✅
D) Steep gradient -
Transition curves are used for:
A) Speed reduction
B) Slope adjustments
C) Smooth shifting from straight to curved path ✅
D) Road widening -
The extra widening on curves is provided due to:
A) Friction
B) Superelevation
C) Mechanical clearance and off-tracking ✅
D) Camber -
Gradient compensation is done for:
A) Horizontal curves
B) Vertical curves
C) Steep gradients
D) Curves on hilly roads ✅
III. Traffic Engineering (10 MCQs)
-
The instrument used for traffic volume count is:
A) Clinometer
B) Tally counter ✅
C) Planimeter
D) Transit -
The highest priority vehicle at an intersection is:
A) Bicycle
B) Fire brigade ✅
C) Auto
D) Private car -
The traffic density is defined as:
A) Vehicles per day
B) Vehicles per hour
C) Vehicles per unit length ✅
D) Speed per unit area -
The average time headway for uninterrupted traffic is around:
A) 1 second
B) 2 seconds ✅
C) 4 seconds
D) 5 seconds -
A rotary intersection is also called a:
A) Signal
B) Grade separator
C) Roundabout ✅
D) Flyover -
The ideal saturation flow in urban areas is:
A) 1800 vehicles/hour/lane ✅
B) 500 vehicles/hour
C) 1000 vehicles/hour
D) 3000 vehicles/hour -
A regulatory sign is usually:
A) Rectangular
B) Circular ✅
C) Triangular
D) Octagonal -
Speed studies help in:
A) Designing bridges
B) Designing drainage
C) Determining speed zones ✅
D) Estimating rainfall -
The term PCU in traffic studies stands for:
A) Passenger capacity unit
B) Passenger car unit ✅
C) Personal car utility
D) Public car unit -
Traffic signals are usually installed at:
A) Culverts
B) Curves
C) Intersections ✅
D) Rural roads
IV. Pavement Types & Design (10 MCQs)
-
Flexible pavement design is mainly based on:
A) Bending stress
B) Shear strength
C) Empirical methods ✅
D) Load frequency -
The main cause of rutting in flexible pavements is:
A) Low traffic
B) Water percolation
C) Repeated loading ✅
D) Freezing -
Rigid pavements transmit loads through:
A) Grain-to-grain contact
B) Beam action ✅
C) Subgrade pressure
D) Interlocking -
The typical thickness of the wearing course in bituminous pavement is:
A) 10–20 mm
B) 20–30 mm
C) 30–40 mm ✅
D) 50–70 mm -
Which pavement has a longer service life?
A) Flexible
B) Rigid ✅
C) Gravel
D) WBM -
Westergaard's method is used for:
A) Flexible pavement design
B) Rigid pavement design ✅
C) Camber design
D) Traffic flow -
A CBR value of 10% indicates:
A) Very poor soil
B) Poor soil ✅
C) Excellent soil
D) Medium strength soil -
Dowel bars are used in:
A) Flexible pavements
B) WBM roads
C) Rigid pavements ✅
D) Earth roads -
Expansion joints are provided in:
A) Bituminous roads
B) WBM roads
C) Cement concrete roads ✅
D) All roads -
Design life of flexible pavement as per IRC is:
A) 5 years
B) 10 years
C) 15 years ✅
D) 30 years
V. Bituminous Materials (10 MCQs)
-
Bitumen is obtained by:
A) Heating coal
B) Refining petroleum ✅
C) Extracting tar
D) Crushing rocks -
Penetration test on bitumen is used to determine:
A) Ductility
B) Hardness ✅
C) Flash point
D) Viscosity -
The softening point of bitumen is determined by:
A) Ductility test
B) Ring and ball test ✅
C) Penetration test
D) Flash point test -
Tar is more susceptible to temperature than:
A) Bitumen ✅
B) Asphalt
C) Cement
D) Water -
The ductility test is conducted to determine:
A) Adhesiveness
B) Softening point
C) Elasticity of bitumen ✅
D) Penetration value -
Viscosity of bitumen decreases with:
A) Increase in temperature ✅
B) Decrease in temperature
C) Heating and cooling cycles
D) Age of bitumen -
Emulsified bitumen is used in:
A) Dry conditions
B) Wet conditions ✅
C) Frozen areas
D) Concrete roads -
The ideal temperature range for bitumen mixing is:
A) 50–80°C
B) 100–120°C
C) 150–165°C ✅
D) 200–250°C -
Cutback bitumen contains:
A) Emulsifier
B) Water
C) Volatile solvent ✅
D) Cement -
Bitumen grade 80/100 indicates:
A) Viscosity
B) Penetration value ✅
C) Temperature range
D) Specific gravity