Free Printable Introduction to Highway Engineering

1.

What is Transportation Engineering? Fill in the blank: Transportation Engineering is a branch of Civil Engineering that deals with the application of _______ and scientific principles to the planning, functional design, operation, and management of facilities for any mode of transportation.

a)

technology

b)

art

c)

intuition

d)

guesswork

2.

Which of the following is NOT a mode of transportation listed in the text?

a)

Land Transport

b)

Water Transport

c)

Air Transport

d)

Space Transport

3.

Fill in the blank: Road Transport is the movement of people and goods from one place to another on roads by way of _______ and non-motorized carriages.

a)

motorized

b)

mechanical

c)

manual

d)

electrical

4.

Rail Transport involves the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads.

a)

True

b)

False

5.

Which of the following is an example of Inland Water Transport?

a)

Transportation by ship across international waters

b)

Transportation by barge on a canal

c)

Transportation by airplane

d)

Transportation by car

6.

Fill in the blank: Air Transport connects international boundaries and allows people to cross and travel different countries that are not connected by _______.

a)

roads and railways

b)

rivers and lakes

c)

mountains and valleys

d)

deserts and forests

7.

What is Traffic Engineering? Fill in the blank: Traffic Engineering is a subdiscipline of transportation engineering that aims to optimize the performance and efficiency of the movement of _______.

a)

people, goods, and transportation

b)

vehicles only

c)

data packets

d)

animals

8.

Which of the following is NOT a common objective of traffic engineering?

a)

Providing highly efficient traffic flow

b)

To produce free flow of traffic

c)

To increase traffic congestion

d)

Use research to design roadways and highways that increase traffic safety

9.

List any two studies that traffic engineers may execute for traffic optimization.

a)

Traffic volume study and speed study

b)

Rainfall analysis and soil testing

c)

Building design and landscape study

d)

Water quality assessment and air pollution study

10.

Fill in the blank: Highway refers to a facility that can accommodate _______ volumes of traffic.

a)

large

b)

small

c)

average

d)

minimal

11.

Which of the following is NOT included in the scope of Highway Engineering?

a)

Development, Planning and Locations

b)

Highway Design, Geometrics and Structure

c)

Traffic Performance and its Control

d)

Air Traffic Control

12.

Fill in the blank: Road classification relates to the function or _______ of the road.

a)

purpose

b)

length

c)

width

d)

location

13.

Which type of road directly connects Major Cities (at least around 100,000 people)?

a)

National Primary

b)

National Secondary

c)

National Tertiary

d)

Expressways

14.

Which type of road directly connects Major Airports to National Primary Roads?

a)

National Primary

b)

National Secondary

c)

National Tertiary

d)

Bypasses

15.

Expressways are highways with limited access, normally with interchanges; they may include facilities for levying tolls for passage in an open or closed system.

a)

True

b)

False

16.

Bypasses are roads or highways that avoid a built-up area, town or city proper to let through traffic flow without interference from local traffic.

a)

True

b)

False

17.

List one objective of highway planning.

a)

A highway should be planned according to the volume of daily traffic flow from a particular path.

b)

Highways should be planned only for aesthetic purposes.

c)

Highway planning should ignore future traffic growth.

d)

Highways should be constructed without considering safety measures.

18.

What is the first phase of the highway location process?

a)

Reconnaissance survey of the entire area between terminal points.

b)

Detailed survey of the selected route.

c)

Preparation of final plans and estimates.

d)

Construction of the highway.

19.

Which type of planning survey collects data about villagers and has discussions about the project and asks for cooperation during construction?

a)

Social Data

b)

Technical Survey

c)

Environmental Survey

d)

Economic Survey

20.

Which type of road connects Cities and Municipalities without traversing National Roads?

a)

Provincial Roads

b)

Municipal and City Roads

c)

Barangay Roads

d)

Expressways

21.

Highways should be safe and secure.

a)

True

b)

False

22.

The planning must have a forecast for the next several years in order to plan fix periods for maintenance, renewal and widening as well.

a)

True

b)

False

23.

Which type of data is beneficial for the best utilized type of road to be created on the path and includes traffic volume survey, origin destination survey, and vehicles damage surveys?

a)

Traffic Data

b)

Geological Data

c)

Hydrological Data

d)

Environmental Data

24.

What is the main purpose of a highway survey before developing a highway?

a)

To collect adequate amount of data for planning according to the volume of daily traffic flow.

b)

To estimate the cost of construction materials only.

c)

To determine the color of road signs.

d)

To select the type of vehicles allowed on the highway.

25.

Which phase of highway location process includes terrain and soil conditions and serviceability of route to industrial and population areas?

a)

Reconnaissance survey of all feasible routes.

b)

Preliminary survey of selected routes.

c)

Final location and detailed survey.

d)

Construction phase.

26.

What are the two basic functions of a paved surface as described in the introduction to pavement design?

a)

1. To give drivers a visual perspective of the horizontal and vertical alignment of the travelled path, aiding in driving task and steering control. 2. To support vehicle loads.

b)

1. To reduce air pollution and provide aesthetic value. 2. To increase fuel efficiency.

c)

1. To absorb rainwater and prevent flooding. 2. To enhance road lighting.

d)

1. To provide wildlife crossings and reduce noise pollution. 2. To improve pedestrian safety.

27.

Which type of pavement structure is constructed with asphaltic cement and aggregates and usually consists of several layers?

a)

Flexible pavement

b)

Rigid pavement

c)

Composite pavement

d)

Gravel pavement

28.

Refer to the diagram showing the structural components of a flexible pavement. Which layer is located immediately above the subgrade and consists of material of a superior quality for subgrade construction?

a)

Subbase course

b)

Surface course

c)

Base course

d)

Wearing course

29.

Which layer of a flexible pavement is usually made of asphaltic concrete and serves to protect the base layer from abrasion and waterproof the pavement structure?

a)

Wearing surface

b)

Subgrade

c)

Base course

d)

Sub-base

30.

The base course of a flexible pavement lies immediately above the subbase and consists of granular materials such as crushed stone, crushed or uncrushed slag, crushed or uncrushed gravel, and sand.

a)

True

b)

False

31.

Which of the following is NOT a function of the wearing surface in flexible pavement?

a)

Protect the base layer from abrasion

b)

Waterproof the pavement structure

c)

Increase the bearing capacity of the subgrade

d)

Provide a skid resistant surface for safe vehicle stops

32.

Fill in the blank: The _______ is the natural material located along the horizontal alignment of the pavement and serves as the foundation of the pavement structure.

a)

subgrade

b)

asphalt

c)

aggregate

d)

bitumen

33.

A 50-kN wheel load has a maximum tire pressure of 0.60-MPa. This pressure is to be uniformly distributed over the area of tire contact on the roadway. Assuming the subgrade pressure is not to exceed 0.16-MPa, determine the design thickness of the flexible pavement. Use the formula: t = 0.564 * sqrt(W / (fs * r)), where W = wheel load, fs = allowable pressure of subgrade, r = radius of tire-pavement contact.

a)

t = 0.564 * sqrt(50,000 N / (0.16 MPa * r)) (The exact value depends on the radius, which is not provided in Problem 1, so the answer is the formula with substituted values except r.)

b)

t = 0.564 * sqrt(50,000 N / (0.60 MPa * r))

c)

t = 0.564 * sqrt(0.16 MPa / (50,000 N * r))

d)

t = 0.564 * sqrt(50,000 N * 0.16 MPa * r)

34.

An asphalt pavement having a modulus of elasticity of 180-MPa carries a static load of 120-kN. The circular contact radius of the tire is 180-mm, and the transmitted load is distributed across a wide area of subgrade having a modulus of 40-MPa at an angle of 45°. The subgrade bearing stress is 30.0-MPa while that of the base is 0.60-MPa. Determine the following: a. Stiffness factor.

a)

SF = sqrt(180 / 40) = sqrt(4.5) ≈ 2.12

b)

SF = sqrt(120 / 30) = sqrt(4) = 2.00

c)

SF = sqrt(180 / 60) = sqrt(3) ≈ 1.73

d)

SF = sqrt(40 / 180) = sqrt(0.222) ≈ 0.47

35.

An asphalt pavement having a modulus of elasticity of 180-MPa carries a static load of 120-kN. The circular contact radius of the tire is 180-mm, and the transmitted load is distributed across a wide area of subgrade having a modulus of 40-MPa at an angle of 45°. The subgrade bearing stress is 30.0-MPa while that of the base is 0.60-MPa. Determine the following:
b. Thickness of pavement.

a)

594.71 mm

b)

420.35 mm

c)

312.50 mm

d)

765.80 mm

36.

An asphalt pavement having a modulus of elasticity of 180-MPa carries a static load of 120-kN. The circular contact radius of the tire is 180-mm, and the transmitted load is distributed across a wide area of subgrade having a modulus of 40-MPa at an angle of 45°. The subgrade bearing stress is 30.0-MPa while that of the base is 0.60-MPa. Determine the following: c. Thickness of the base layer.

a)

30.0 MPa (as given in the problem statement)

b)

15.0 MPa

c)

45.0 MPa

d)

0.60 MPa

37.

The different types of Portland cement specified by AASHTO are the following: a. Type I or 1A (Air-Entraining): This type of cement is for general concrete construction when the specified properties of the other four types are not required. b. Type II or IIA (Air-Entraining): This type is for general concrete construction exposed to moderate action or where moderate heat of hydration is required. c. Type III or IIIA (Air-Entraining): This type is for high strength concrete. d. Type IV is for low heat of hydration. e. Type V for high sulphate resistance. Which type of Portland cement is used for high sulphate resistance?

a)

Type I

b)

Type II

c)

Type III

d)

Type V

38.

What is the main function of fine aggregates in concrete?

a)

Fine aggregates provide hard, strong, and durable particles for concrete.

b)

Fine aggregates increase the setting time of concrete.

c)

Fine aggregates act as a primary binder in concrete.

d)

Fine aggregates reduce the water requirement in concrete.

39.

Water used in concrete must be free from which substances?

a)

Oil, salt, acid, alkali, grass, or other substances injurious to the finished product.

b)

Sugar, flour, and spices.

c)

Plastic, rubber, and glass.

d)

Sand, gravel, and cement.

40.

Joint fillers should be mixed asphalt and mineral or rubber filler.

a)

True

b)

False

41.

Which type of steel is used mainly as load-transfer mechanisms across joints?

a)

Temperature Steel

b)

Dowel Bars

c)

Tie Bars

42.

Temperature steel helps to maintain the shearing resistance of the pavement.

a)

True

b)

False

43.

Tie bars are used to connect two slabs together and are spaced at larger centers than dowel bars.

a)

True

b)

False

44.

What is the main purpose of expansion joints in concrete pavements?

a)

To accommodate the increased length of the slab due to temperature expansion.

b)

To increase the strength of the pavement.

c)

To prevent water seepage into the pavement.

d)

To reduce the cost of construction.

45.

Contraction joints are placed to release some of the tensile stresses that are induced.

a)

True

b)

False

46.

Hinge or longitudinal joints are used mainly to reduce cracking along the centerline of highway pavements.

a)

True

b)

False

47.

Which type of joint is usually placed at the end of a day's pour to provide suitable bonding with the start of the next day's pour?

a)

Expansion Joint

b)

Contraction Joint

c)

Construction Joint

48.

A jointed plain concrete pavement (JPCP) normally has a joint spacing of:

a)

5 to 10 mm

b)

5 to 10 cm

c)

5 to 10 m

49.

Which type of rigid highway pavement contains steel reinforcement spaced about 9 to 12 m apart?

a)

JPCP

b)

JRCP

c)

CRCP

d)

PCP

50.

Continuous reinforced concrete pavement (CRCP) has no regularly spaced transverse joints and contains more steel reinforcement than JRCP.

a)

True

b)

False

51.

Pre-stressed concrete pavements are designed to bear tensile forces caused by external loads.

a)

True

b)

False

52.

Determine the thickness of the pavement from the following conditions: a. The pavement is rigid and to carry a maximum wheel load of 60-kN. Neglect the effect of dowel. Use f'c' = 20 MPa and the allowable tensile stress of concrete pavement is 0.60f'c'. What is the required thickness of the pavement?

a)

18 cm

b)

22 cm

c)

15 cm

d)

25 cm

53.

Determine the thickness of the pavement from the following conditions: The concrete pavement has an expansion pressure of 0.15 kg/cm² and the pavement density of 0.0025 kg/cm³.

a)

6 cm

b)

12 cm

c)

9 cm

d)

15 cm

54.

Determine the thickness of the pavement from the following conditions: A rigid pavement is to carry a wheel load of 53.50 kN. Use allowable tensile stress of concrete of 1.38 MPa. Sufficient dowels are used across joints. What is the required thickness of the pavement?

a)

180 mm

b)

220 mm

c)

150 mm

d)

200 mm

55.

Compute the radius of relative stiffness for a 15-cm slab with modulus of elasticity of concrete of 2.1 × 10^5 kg/cm² and Poisson's ratio of 0.15 over the subgrade with modulus of subgrade reaction of 3.5 kg/cm².

a)

54.2 cm

b)

38.7 cm

c)

62.5 cm

d)

47.9 cm

56.

Compute the radius of relative stiffness for a 15-cm slab with modulus of elasticity of concrete of 2.1 × 10^5 kg/cm² and Poisson's ratio of 0.15 over the subgrade with modulus of subgrade reaction of 7.0 kg/cm².

4 lines

57.

Problem 5. An 18-cm thick rigid pavement is subjected to a wheel load of 5,200 kg. The Poisson's ratio is 0.15, the modulus of concrete is $3.0 \times 10^5 kg/cm²$ and the modulus of subgrade reaction is $6.0 kg/cm²$ . If the radius of contact area is $15-cm$ , what is the radius of relative stiffness?

a)

85.2 cm

b)

42.6 cm

c)

18.0 cm

d)

65.4 cm

58.

Determine the equivalent radius of resisting section given the parameters: wheel load of 5,200 kg, Poisson's ratio of 0.15, modulus of concrete of 3.0 × 10^5 kg/cm², modulus of subgrade reaction of 6.0 kg/cm², radius of contact area of $15 \, \text{cm}$ , and thickness of rigid pavement of $18 \, \text{cm}$ . What is the equivalent radius of resisting section?

a)

18.5 cm

b)

22.0 cm

c)

15.0 cm

d)

20.3 cm

59.

Determine the interior stress using the formula σi = (0.3162P/h²)[4 log(ℓ/b) + 1.069], where P = 5,200 kg, h = 18 cm, ℓ and b as calculated above. What is the value of σi?

a)

1,120 kg/cm²

b)

2,340 kg/cm²

c)

980 kg/cm²

d)

1,560 kg/cm²

60.

Problem 5. An 18-cm thick rigid pavement is subjected to a wheel load of 5,200 kg. The Poisson's ratio is 0.15, the modulus of concrete is $3.0 \times 10^5 kg/cm²$ and the modulus of subgrade reaction is $6.0 kg/cm²$ . If the radius of contact area is $15-cm$ , what is the edge stress?

a)

45.2 kg/cm²

b)

32.8 kg/cm²

c)

56.4 kg/cm²

d)

21.7 kg/cm²

61.

Problem 5. An 18-cm thick rigid pavement is subjected to a wheel load of 5,200 kg. The Poisson's ratio is 0.15, the modulus of concrete is $3.0 \times 10^5 kg/cm²$ and the modulus of subgrade reaction is $6.0 kg/cm²$ . If the radius of contact area is $15-cm$ , what is the corner stress?

a)

45.2 kg/cm²

b)

32.8 kg/cm²

c)

58.6 kg/cm²

d)

21.4 kg/cm²

Introduction to Highway Engineering

Total questions: 61

Worksheet time: 33mins

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