Highway Engineering Questions and Answers – Alignment of Hill Roads – 3

This set of Highway Engineering Problems focuses on “Alignment of Hill Roads – 3”.

1. What is the extra width on a hill road with 300 m radius?
a) 0
b) 0.6 m
c) 0.9 m
d) 1.2 m
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2. For a speed of 30 Kmph, and radius of 30 m, the length of the transition curve is?
a) 15 m
b) 30 m
c) 45 m
d) 60 m
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3. What is the minimum speed limit design for hair pin bend?
a) 20 Kmph
b) 30 Kmph
c) 40 Kmph
d) 50 Kmph
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4. What is the super elevation in the circular portion of the curve?
a) 1 in 5
b) 1 in 7
c) 1 in 10
d) 1 in 20
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5. What is the maximum gradient in the curve?
a) 1 in 30
b) 1 in 40
c) 1 in 50
d) 1 in 60
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6. The approach gradient should not be steeper than _______% for 40 m.
a) 5
b) 6
c) 10
d) 20
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7. What is the minimum carriage way width for MDR?
a) 6.0 m
b) 6.5 m
c) 7.5 m
d) 8.0 m
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8. The minimum straight length between any two successive hair pin bend should not be less than __________
a) 30 m
b) 40 m
c) 60 m
d) 70 m
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9. The ruling gradient in steep terrain upto 3 km height in % is __________
a) 8
b) 6
c) 7
d) 7.5
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10. The compensated gradient should not be flatter than __________
a) 4%
b) 3%
c) 2%
d) 1%
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11. The value recommended by IRC for a deviation angle of 0.16 and the design speed of 30 Kmph, the length of the summit curve is?
a) 40 m
b) 75 m
c) 100 m
d) 200 m
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12. What is the value of the valley curve when compared with the summit curve for the same design speed may be best justified by?
a) Valley curve value is greater
b) Summit curve value is greater
c) Both are equal
d) Depends on the deviation angle
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13. What is the minimum radius of inner curve in hair pin bend?
a) 10 m
b) 12 m
c) 14 m
d) 16 m
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14. What is the maximum gradient compensation for a pavement of the radius 150 m?
a) 1%
b) 2%
c) 3%
d) 4%
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15. The right of way width in normal area for a two lane national highway is __________
a) 18 m
b) 24 m
c) 36 m
d) 45 m
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Sanfoundry Global Education & Learning Series – Highway Engineering.

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