Highway Engineering Test 1

Question 1
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What will be the theoretical maximum capacity (to nearest 10 units) for a single lane of highway given that the speed of the traffic stream is 40 kmph?

A
3000 veh/h

B
2860 veh/h

C
2010 veh/h

D
2510 veh/h

Question 2
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In a abrasion test loss in weight is 27 gms, then coefficient of hardness will be

A
11

B
12

C
13

D
14

Question 3
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Consider the following two statements in connection to passenger car unit (PCU) in geometric design of a highway and chose the correct option.
Statement A: PCU of a bus is 3 implies that a bus has an average running speed three times that of a passenger car.
Statement B: In general, PCU increases with increase in vehicle length and with decrease in average running speed of vehicle.

A
Only A is correct

B
Only B is correct

C
Both A and B are correct

D
None of A and B are correct

Question 4
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Spot speed survey was conducted at a particular location and following data is obtained
i) Maximum traffic volume of a week = 400000 PCU/week
ii) Average traffic volume of a week = 280000 PCU/week
iii) Maximum traffic volume of a day = 36000 PCU/day
iv) Average traffic volume of a day = 24000 PCU/day
v) Average traffic volume of an hour = 4000 PCU/hour
The daily expansion factor for the given data is

A
6

B
16.67

C
11.67

D
9

Question 5
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A man starts his journey from home to office every day. He travels 500 m on foot to reach the nearest bus stop. He then takes the bus to the nearest metro station and get off there. Then by metro he travels another 30 km and reaches home finally by rickshaw. The total number of trips is

A
1

B
2

C
3

D
4

Question 6
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A plate bearing test was carried out on a subgrade using an 80 cm diameter rigid plate. A deflection of 9.6 × 10^-4 m was caused by a pressure of 0.69 kg/cm². The modulus of a subgrade reaction is _______ × 10⁵ kg/m³.

A
7-8

B
74-81

C
77-86

D
79-82

Question 7

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Match the following

List I		List II
1.	Wrapping crack	P.	Settlement of fill and sliding of side slopes.
2.	Longitudinal cracking	Q.	Due to excessive stresses slab develops cracking at the edge in an irregular pattern
3.	Shrinkage crack	R.	Develop during curing operation of pavement immediately after construction.
4.	Reflection cracking	S.	Observed in bituminous overlays provided over existing cement concrete pavements.

1 – P, 2 – Q, 3- R, 4 – S

1 – R, 2 – P, 3 – Q, 4 – S

1 – S, 2 – P, 3 – Q, 4 – R

1 – S, 2 – Q, 3 – R, 4 – P

Question 8
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Which one of the following test is performed in the laboratory to detect overheated or cracked bitumen and are more sensitive than the other test in terms of detection of crack?

A
Softening Point Test

B
Float Test

C
Flash and Fire Point Test

D
Spot Test

Question 9
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A bitumen concrete mix has average specific gravity of material 2.525 and theoretical specific gravity of 2.620. The density of bitumen used is 1.03 g/cc and percent bitumen content by weight in the mix is 4.5. The percent of volume voids in mineral aggregate and percent volume filled by bitumen respectively are _________.

A
11.03 and 3.623

B
14.65 and 11.03

C
14.65 and 75.29

D
11.03 and 75.29

Question 10

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The following data pertains to the number of commercial vehicles per day for the design of a flexible pavement for a national highway as per IRC: 37-1984.

Type of commercial vehicle	Axle load (kN)	Number of (cv/day)
Single axle with single wheel on either side	55	200
Single axle with single wheel on either side	60	250
Single axle with dual wheels on either side	65	150
Single axle with dual wheels on either side	75	200
Tandem axle with dual wheels on either side	80	230

Calculate the equivalent vehicle damage factor for the given above data.

0.30

0.40

0.50

0.60

Question 11
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An observer counts 360 vehicles/hour arriving at a spot on highway location. Assume that the arrival of vehicles at this location follows Poisson’s distribution, the probability of 3 or more vehicles arriving over 20 seconds interval is

A
18%

B
32.5%

C
67.5%

D
Inadequate data

Question 12
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A spot speed study on a highway gives the following six spot speeds viz. 45 kmph, 40 kmph, 52 kmph, 51 kmph, 39 kmph and 42 kmph. What will be the time mean speed and space mean speed of the spot study?

A
Time mean speed = 52 kmph and Space mean speed = 39 kmph

B
Time mean speed = 44.83 kmph and Space mean speed = 44.28 kmph

C
Time mean speed = 44.83 kmph and Space mean speed = 44.83 kmph

D
Time mean speed = 44.28 kmph and Space mean speed = 44.83 kmph

Question 13
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For a 25 cm thick cement concrete pavement analysis of stresses gives the following values'
Wheel load stress due to corner loading                                30 kg/cm²
Wheel load stress due to edge loading                                  32 kg/cm²
Warping stress at corner region during summer                    9 kg/cm²
Warping stress at corner region during winter 7 kg/cm²
Warping stress at edge region during summer 8 kg/cm²
Warping stress at edge region during winter 6 kg/cm²
Frictional stress during summer 5 kg/cm²
Frictional stress during winter 4 kg/cm²
The most critical stress value for this pavement is

A
40 Kg/cm²

B
43 Kg/cm²

C
44 Kg/cm²

D
42 Kg/cm²

Question 14
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When the design vehicle with a design speed of 90 kmph on a two-lane road is negotiating a horizontal curve of radius 245 m off-tracking is measured as 0.088 m. The required widening of carriage way of the two lane road on this curve will be ______ m.

A
0.77-0.79

B
0.774-0.791

C
0.777-0.796

D
0.779-0.792

Question 15
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For predicting the flow on a highway, a theoretical speed-density model is established and assumed as \({\rm{V}} = ({{\rm{V}}_{\rm{f}}} - 10){{\rm{e}}^{0.45 - \frac{{\rm{k}}}{{{\rm{\;}}{{\rm{k}}_0}}}}}\) where V is speed in km/hr and k is density in vehicles per km. Statistical analysis of vehicular data shows that the free stream speed, V_f = 80 km/hr and optimum density, k₀ = 150 vehicles/ km. What is the maximum flow (in vehicles per hour corrected to next integer) obtained as per this model?

A
6050-6085

B
60504-60851

C
60507-60856

D
60509-60852

Question 16
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The length of summit curve required for a stopping sight distance of 180 m at the junction of an up-gradient of 1 in 200 and a downgradient of 1 in 200 is -

A
60 m

B
73 m

C
80 m

D
90 m

Question 17
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A 18cm thick cement concrete slab is resting on Subgrade having modulus of subgrade as 4.5 kg/cm³. If the thickness of cement concrete slab and modulus of subgrade is increased by 40% and 50% respectively, then the radius of relative stiffness is increased by?
Take Modulus of elasticity of cement Concrete = 210000 kg/cm²
Poisson’s ratio of concrete = 0.15

A
10%

B
16.3%

C
17.4%

D
19.4%

Submit Test

Highway Enginee...

Question 1

3000 veh/h

2860 veh/h

2010 veh/h

2510 veh/h

Question 2

11

12

13

14

Question 3

Only A is correct

Only B is correct

Both A and B are correct

None of A and B are correct

Question 4

6

16.67

11.67

9

Question 5

1

2

3

4

Question 6

7-8

74-81

77-86

79-82

Question 7

1 – P, 2 – Q, 3- R, 4 – S

1 – R, 2 – P, 3 – Q, 4 – S

1 – S, 2 – P, 3 – Q, 4 – R

1 – S, 2 – Q, 3 – R, 4 – P

Question 8

Softening Point Test

Float Test

Flash and Fire Point Test

Spot Test

Question 9

11.03 and 3.623

14.65 and 11.03

14.65 and 75.29

11.03 and 75.29

Question 10

0.30

0.40

0.50

0.60

Question 11

18%

32.5%

67.5%

Inadequate data

Question 12

Time mean speed = 52 kmph and Space mean speed = 39 kmph

Time mean speed = 44.83 kmph and Space mean speed = 44.28 kmph

Time mean speed = 44.83 kmph and Space mean speed = 44.83 kmph

Time mean speed = 44.28 kmph and Space mean speed = 44.83 kmph

Question 13

40 Kg/cm2

43 Kg/cm2

44 Kg/cm2

42 Kg/cm2

Question 14

0.77-0.79

0.774-0.791

0.777-0.796

0.779-0.792

Question 15

6050-6085

60504-60851

60507-60856

60509-60852

Question 16

60 m

73 m

80 m

40 Kg/cm²

43 Kg/cm²

44 Kg/cm²

42 Kg/cm²