Explore topic-wise MCQs in Highway Engineering.

This section includes 59 Mcqs, each offering curated multiple-choice questions to sharpen your Highway Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

The dowel should transfer __________

A. 40% of safe load
B. 40% of design load
C. 45% of safe load
D. 45% of design load
Answer» C. 45% of safe load
2.

The minimum diameter of dowel bar used is __________

A. 25 mm
B. 35 mm
C. 40 mm
D. 50 mm
Answer» B. 35 mm
3.

The dowel bars are provided __________

A. Longitudinally
B. Laterally
C. Any directoion required
D. In base of pavement
Answer» B. Laterally
4.

The cement concrete roads are designed with __________

A. Plain concrete
B. RCC
C. ICPB
D. Bitumen
Answer» B. RCC
5.

What is the minimum quality of thickness in the low volume roads?

A. 15
B. 20
C. 25
D. 35
Answer» E.
6.

The temperature differential in coastal regions in India for a thickness of 25 cm is __________

A. 15
B. 16.2
C. 17
D. 18
Answer» C. 17
7.

The pavement thickness is usually assumed in rigid pavement as __________

A. 20 cm
B. 25 cm
C. 30 cm
D. 35 cm
Answer» C. 30 cm
8.

If the flexural strength of a pavement is 45 and it’s stress is 40 then factor of safety is __________

A. 1
B. 1.1
C. 1.15
D. 1.2
Answer» D. 1.2
9.

The Westergaard equation was modified by __________

A. Bradbury
B. Burnister
C. Teller and Sutherland
D. Telford
Answer» D. Telford
10.

What is the minimum factor of safety for rigid pavement?

A. 1
B. 1.1
C. 1.5
D. 1.7
Answer» C. 1.5
11.

The factor of safety is the stress caused at __________

A. Mid day
B. Summer
C. Winter
D. Rainy
Answer» B. Summer
12.

The first thickness assumed in pavement is called __________

A. IRC thickness
B. MORTH thickness
C. Trial thickness
D. Estimated thickness
Answer» D. Estimated thickness
13.

The warping stress is dependent on __________

A. Length of slab
B. length and width of slab
C. Thickness of slab
D. Water content in slab
Answer» C. Thickness of slab
14.

Group index method of designing flexible pavement is based ona. Plasticity indexb. Shear strengthc. CBR valued. Percent fines

A. a, b, and c
B. b and c
C. a and d
D. a, c, and d
Answer» D. a, c, and d
15.

As per IRC 37: 2012, the fatigue life of a flexible pavement consisting of granular base and sub-base depends upon1) Resilient Modulus of bituminous layers.2) Horizontal tensile strain at the bottom of the bituminous layer3) Mix design of bitumen4) Vertical subgrade strainWhich of the above statements are correct?

A. 1, 2 and 4 only
B. 1, 3 and 4 only
C. 1, 2 and 3 only
D. 2, 3 and 4 only
Answer» D. 2, 3 and 4 only
16.

As per IRC 37 : 2018, for Initial (two-way) traffic volume in terms of commercial vehicle per day is 0 - 150, the Vehicle damage factor for Plain/Rolling terrain is

A. 3.9
B. 1.7
C. 5
D. 0.6
Answer» C. 5
17.

As per IRC: SP: 84, the annual growth rate of commercial vehicles shall be taken to be a minimum of _______ per cent.

A. 9.5
B. 10
C. 7.5
D. 5
Answer» E.
18.

Bottom most component of a flexible pavement is called

A. Sub-base
B. Base
C. Sub-grade
D. Base curve
Answer» D. Base curve
19.

Minimum thickness of a layer of fine sand required to cutoff capillary rise of water completely should be

A. 40 cm
B. 52 cm
C. 64 cm
D. 30 cm
Answer» E.
20.

An isolated concrete pavement slab of length L is resting on a frictionless base. The temperature of the top and bottom fiber of the slab are Tt and Tb, respectively. Given: the coefficient of thermal expansion = α and the elastic modulus = E. Assuming Tt > Tb and the unit weight of concrete as zero, the maximum thermal stress is calculated as

A. \(\frac{{E\alpha \left( {{T_t} - {T_b}} \right)}}{2}\)
B. Eα (Tt - Tb)
C. Zero
D. Lα(Tt - Tb)
Answer» D. Lα(Tt - Tb)
21.

A flexible pavement has the following class of loads during a particular hour of the day.i. 80 buses with 2-axles (each axle load of 40 kN);ii. 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

A. 320
B. 250
C. 240
D. 180
Answer» E.
22.

Minimum thickness of the base of a flexible pavement is

A. 15 cm
B. 20 cm
C. 10 cm
D. 5 cm
Answer» D. 5 cm
23.

For the construction of water bound macadam roads, the correct sequence of operation after spreading coarse aggregates is

A. Dry rolling, wet rolling, application of screening and application of filler
B. Dry rolling, application of filler wet rolling, and application of screening
C. Dry rolling, application of screening, wet rolling, and application of filler
D. Dry rolling, application of screening, application of filler and wet rolling
Answer» E.
24.

A Marshall specimen is prepared for bituminous concrete with a bitumen content of 5 percent by weight of total mix. The theoretical and the measured unit weights of the mix are 2.442 g/cm3 and 2.345 g/cm3, respectively. The bitumen has a specific gravity of 1.02. The percent voids in mineral aggregate filled with bitumen (VFB) are

A. 34.55
B. 35.9
C. 73.55
D. 74.3
Answer» E.
25.

In Which type of flexible pavement failure, the upheaval of portion of pavement is followed with depression?

A. Frost heaving
B. Shear failure and cracking
C. Longitudinal cracking
D. Reflecting cracking
Answer» B. Shear failure and cracking
26.

CBR test on soil is type of

A. Bearing test
B. Shear test
C. Penetration test
D. None of above
Answer» D. None of above
27.

IRC 37-2001 revised version for flexible pavement design has been designed as

A. 4-layer
B. 3-layer
C. 2-layer
D. 5-layer
Answer» B. 3-layer
28.

Consider a soil sample, for which tests yield the following results:Passing 75 micron sieve= 62%Liquid limit 35%Plasticity Index 14%As per the group index classification of soil, what is the soil condition of the above soil sample?

A. 9,8
B. 7
C. 11
D. 15
Answer» C. 11
29.

Expansion joint in concrete is a type of

A. Construction Joint
B. Temporary joint
C. Movement joint
D. Locking joint
Answer» D. Locking joint
30.

Consider the following statements regarding pavements:1. Rigid pavements are more suitable than flexible pavements for stage construction.2. Rigid pavements are more affected by temperature variations than flexible pavements.3. In a flexible pavement, any deformation in the top layers is transferred to under- laid layers; but, in rigid pavements, there is slab or beam action due to which any deformation is only in the top layer of the concrete slab.Which of the above statements are correct?

A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» E.
31.

Benkelman beam deflection method is used for the design of

A. Rigid overlay on rigid pavement
B. Flexible overlay on flexible pavement
C. Flexible overlay on rigid pavement
D. Rigid overlay on flexible pavement
Answer» C. Flexible overlay on rigid pavement
32.

According to IS 73, the paving bitumen should be homogeneous and shall not foam when heated to

A. 160 degree C
B. 170 degree C
C. 180 degree C
D. 200 degree C
E. 175 degree C
Answer» F.
33.

Critical load position in a rigid pavement design is taken as

A. interior loading
B. edge loading
C. corner loading
D. All of the above
Answer» E.
34.

Consider the following data with respect to the design of flexible pavement:Design wheel load = 4200 kgTyre pressure = 6.0 kg/cm2Elastic modulus = 150 kg/cm2Permissible deflection = 0.25 cm(take π1/2 = 1.77, π-1/2 = 0.564, \(\frac{1}{\pi } = 0.318,\) and π2 = 9.87)The total thickness of flexible pavement for a single layer elastic theory will be nearly

A. 42 cm
B. 47 cm
C. 51 cm
D. 56 cm
Answer» D. 56 cm
35.

Consider the following statements regarding pavements:(i) Rigid pavements have good night visibility than flexible pavements.(ii) It is possible to make cross-cutting of the rigid pavement.(iii) In a flexible pavement, any deformation in the top layers is transferred to the under-laid layers; but, in rigid pavements, there is slab or beam action due to which any deformation is only in the top layer of the concrete slab.Which of the above statements are correct?

A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (i), (ii) and (iii)
Answer» E.
36.

Flattening and smoothing the road surface by scrapping is called

A. Compaction
B. Consolidation
C. Grading
D. Ditch digging
Answer» D. Ditch digging
37.

In a flexible pavement

A. The vertical compressive stress is the maximum at the lowest layer
B. Vertical compressive stresses decrease with the depth of the layer
C. Tensile stresses get developed
D. Maximum stress-induced is dependent on the location of the load on the pavement surface
Answer» C. Tensile stresses get developed
38.

California Bearing Ratio method of designing flexible pavement is more accurate, as it involves

A. Characteristics of soils
B. Traffic densities
C. Specifications of the road making materials
D. None of these
Answer» D. None of these
39.

For California Bearing Ratio test, the soil should be soaked for how many days?

A. 2
B. 2.5
C. 4.5
D. 4
Answer» E.
40.

Critical load position in critical load combination for rigid pavement design is taken as ___

A. interior loading
B. edge loading
C. corner loading
D. interior, edge and corner loading
Answer» E.
41.

In flexible pavement analysis, it is assumed that the load transferred through layers by :

A. Load stresses are absorbed in the top layer
B. Grain to grain transfer through points of contact
C. Beam action
D. Slab action
Answer» C. Beam action
42.

Calculate spacing between expansion joints, if the expansion joint gap is 2.0 cm in a cement concrete pavement. The laying temperature is 10°C and the maximum slab temperature in summer is 50°C.

A. 30 m
B. 25 m
C. 100 m
D. 20 m
Answer» C. 100 m
43.

According to Indian conditions, a paved road surrounded by water is suitable if the daily traffic load is not more than ______. The loads are given below.

A. 2000 ton
B. 3000 ton
C. 1000 ton
D. 00 ton
Answer» B. 3000 ton
44.

Flexible concrete is a mix comprising of

A. Gravel, filler and 30/40 bitumen
B. Sand, filler and 30/40 bitumen only
C. Gravel, sand, filler and 60/70 bitumen
D. Sand, filler and 60/70 bitumen only
Answer» D. Sand, filler and 60/70 bitumen only
45.

Benkleman beam deflection method is used for design of

A. Rigid overlays on rigid pavements
B. Rigid overlays on flexible pavements
C. Flexible overlays on flexible pavements
D. Flexible overlays on rigid pavements
Answer» D. Flexible overlays on rigid pavements
46.

As per IRC:37-2012, in order to control subgrade rutting in flexible pavements, the parameter to be considered is

A. horizontal tensile strain at the bottom of bituminous layer
B. vertical compressive strain on top of subgrade
C. vertical compressive stress on top of granular layer
D. vertical deflection at the surface of the pavement
Answer» C. vertical compressive stress on top of granular layer
47.

THE_TEMPERATURE_DIFFERENTIAL_IN_COASTAL_REGIONS_IN_INDIA_FOR_A_THICKNESS_OF_25_CM_IS?$

A. 15
B. 16.2
C. 17
D. 18
Answer» C. 17
48.

The cement concrete roads are designed with$

A. Plain concrete
B. RCC
C. ICPB
D. Bitumen
Answer» B. RCC
49.

The_minimum_quality_of_thickness_in_the_low_volume_roads_is$

A. 15
B. 20
C. 25
D. 35
Answer» E.
50.

The dowel should transfer

A. 40% of safe load
B. 40% of design load
C. 45% of safe load
D. 45% of design load
Answer» C. 45% of safe load