# GATE - Ce - Transportation Engineering -1

20 Questions | Total Attempts: 157  Settings  Read the Instructions carefully. 1. To login, enter your Name & click on the start button. Then you can see all the questions on the screen. 2. Total duration of the examination is 30 minutes. 3. The clock will be set at the server. The countdown timer at the top right corner of screen will display the remaining time available for you to complete the examination. When the timer reaches zero, the examination will end by itself. Or you can click on submit my answers if you have completed the examination before the timer reaches zero. 4.   Each examination consists of 15 questions carrying a maximum of 30 marks. All questions are  2-marks each. 5. All Questions are of Objective type. 6. Choose one answer from the 4 options (A, B, C, D) given be

• 1.
Select the strength parameter of concrete used in design of plain jointed cement concrete pavements from the following choices:
• A.

Tensile strength

• B.

Compressive strength

• C.

Flexural strength

• D.

Shear strength

• 2.
For two major roads with divided carriageway crossing at right angle,a full clover leaf interchange with four indirect ramps is provided. Following statements are made on turning movements of vehiclesto all directions from both roads. Identify the correct statement:
• A.

Merging from left is possible,but diverging to left is not possible

• B.

Both merging from left and diverging to left are possible

• C.

Merging from left is not possible,butdiverging to left is possible

• D.

Neither merging from left nor diverging to left is possible

• 3.
Two bitumen samples “X” and “Y” have softening points 45°C and 60°C, respectively. Consider the following statements:         I Viscosity of “X” will be higher than that of “Y” at the same temperature.         II Penetration value of “X” will be lesser than that of “Y” under standard conditions.The CORRECT option evaluating the above statements is
• A.

Both I and II are TRUE

• B.

I is FALSE and II is TRUE

• C.

Both I and II are FALSE

• D.

I is TRUE and II is FALSE

• 4.
• A.

Benkelman beam

• B.

Bump integrator

• C.

Dynamic cone penetrometer

• D.

Falling weight deflectometer

• 5.
In marshall testing of bituminous mixes, as the bitumen content increases the flow value
• A.

Remain constant

• B.

Decreases first and then increases

• C.

Increases monotonically

• D.

Increases first and then decreases

• 6.
If v is the initial speed of a vehicle, g is the gravitational acceleration, G is the upward longitudinal slope of the road and fr is the coefficient of rolling friction during braking the braking distance(measured horizontally) for the vehicle to stop is
• A.

• B.

• C.

• D.

• 7.
Aggregate impact value indicales the following property of Aggregates
• A.

Durabality

• B.

Toughness

• C.

Hardness

• D.

Strength

• 8.
Consider the following statements in the context of geometric design of roads.I: A simple parabolic curve is an acceptable shape for summit curvesII: Comfort to passengers is an important consideration in the design of summit curvesThe correct option evaluating the above statements and their relationship is
• A.

I is true, II is false

• B.

I is true, II is true, and II is the correct reason for I

• C.

I is true, II is true, and II is NOT the correct reason for I

• D.

I is false, II is true

• 9.
The design speed for a two-lane road is 80 kmph. When a design vehicle with a wheelbase of 6.6 m is negotiating a horizontal curve on that road, the off-tracking is measured as 0.096 m. The required widening of carriageway of the two-lane road on the curve is approximately
• A.

0.55 m

• B.

0.65 m

• C.

0.75 m

• D.

0.85 m

• 10.
Consider the following statements in the context of cement concrete pavements.I. Warping stresses in cement concrete pavements are caused by the seasonal variation in temperatureII. Tie bars are generally provided across transverse joints of cement concrete pavementsThe correct option evaluating the above statements is
• A.

I: True II: False

• B.

I: False II: True

• C.

I: TrueII: True

• D.

I: False II: False

• 11.
The specific gravity of paving bitumen as per IS:73 – 1992 lies between
• A.

1.10 and 1.06

• B.

1.06 and 1.02

• C.

1.02 and 0.97

• D.

0.97 and 0.92

• 12.
A combined value of flakiness and elongation index is to be determined for a sample of aggregates. The sequence in which the two tests are conducted is
• A.

Elongation index test followed by flakiness index test on the whole sample

• B.

Flakiness index test followed by elongation index test on the whole sample

• C.

Flakiness index test followed by elongation index test on the non-flaky aggregates

• D.

Elongation index test followed by flakiness index test on non-elongated aggregates

• 13.
It is proposed to widen and strengthen an existing 2-lane NH section as a divided highway. The existing traffic in one direction is 2500 commercial vehicles (CV) per day. The construction will take 1 year. The design CBR of soil subgrade is found to be 4 percent. Given : traffic growth rate for CV = 8 percent, vehicle damage factor = 3.5 (standard axles per CV), design life = 10 years and traffic distribution factor = 0.75. The cumulative standard axles (msa) computed are
• A.

35

• B.

37

• C.

65

• D.

70

• 14.
A horizontal circular curve with a centre line radius of 200 m is provided on a 2-lane, 2-way SH section. The width of the 2-lane road of 7.0 m. Design speed for this section is 80 km per hour. The brake reaction time is 2.4 s, and the coefficients of friction in longitudinal and lateral directions are 0.355 and 0.15, respectively.The safe stopping sight distance on the section is
• A.

221 m

• B.

195 m

• C.

125 m

• D.

65 m

• 15.
A horizontal circular curve with a centre line radius of 200 m is provided on a 2-lane, 2-way SH section. The width of the 2-lane road of 7.0 m. Design speed for this section is 80 km per hour. The brake reaction time is 2.4 s, and the coefficients of friction in longitudinal and lateral directions are 0.355 and 0.15, respectively.The set-back distance from the centre line of the inner lane is
• A.

7.93 m

• B.

8.10 m

• C.

9.60 m

• D.

9.77 m

• 16.
The consistency and flow resistance of bitumen can be determined from the following:
• A.

Ductitility test

• B.

Penetration test

• C.

Softening point test

• D.

Viscosity test

• 17.
The extra widening required for a two-lane national highway at a horizontal curve of 300 m radius, considering a wheel base of 8 m and a design speed of 100 kmph is
• A.

0.42 m

• B.

0.62 m

• C.

0.82 m

• D.

0.92 m

• 18.
While designing a hill road with a ruling gradient of 6%, if a sharp horizontal curve of 50 m radius is encountered, the compensated gradient at the curve as per the Indian Roads Congress specifications should be
• A.

4.4%

• B.

4.75%

• C.

5.0%

• D.

5.25%

• 19.
The design speed on a road is 60 kmph. Assuming the driver reaction time of 2.5 seconds and coefficient of friction of pavement surface as 0.35, the required slopping distance for two-way traffic on a single lane road is
• A.

82.1 m

• B.

102.4 m

• C.

164.2 m

• D.

186.4 m

• 20.
The width of the expansion joint is 20 mm in a cement concrete pavement. The laying temperature is 20°C and the maximum slab temperature in summer is 60°C. The coefficient of thermal expansion of concrete is 10×10-6 mm/mm/°C and the joint filler compresses up to 50% of the thickness. The spacing between expansion joints should be
• A.

20 m

• B.

25 m

• C.

30 m

• D.

40 m

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