Engineering :: Highway Engineering
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| 111. |
Clothoid is the ideal shape of a transition curve. |
Answer: Option A
Explanation:
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| 112. |
An ideal vertical curve is a cubic spiral. |
Answer: Option B
Explanation:
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| 113. |
The rate of change of radial acceleration governs the |
| A. |
length of a transition curve |
B. |
extra width of pavement on the curve |
| C. |
length of the tangent of a simple circular curve |
D. |
all of the above |
Answer: Option A
Explanation:
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| 114. |
A cubic spiral is |
Answer: Option A
Explanation:
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| 115. |
The type of transition curve recommended by the IRC is |
| A. |
cubic parabola |
B. |
cubic spiral |
| C. |
lamniscate |
D. |
none of these |
Answer: Option B
Explanation:
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| 116. |
Which of the following is not a transition curve? |
| A. |
Compound curve |
B. |
cubic spiral |
| C. |
Cubic parabola |
D. |
True spiral |
Answer: Option A
Explanation:
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| 117. |
The fundamental condition for a perfect transition curve is that radius of curvature at any point should be |
Answer: Option B
Explanation:
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| 118. |
A lamniscate fulfils the requirements of a true transition curve. |
Answer: Option B
Explanation:
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| 119. |
The length of the tangent of a simple curve having angle of deflection ? and radius of curvature R, is equal to |
| A. |
R sin ?/2 |
B. |
R cos ?/2 |
| C. |
R tan ?/2 |
D. |
R cot ?/2 |
Answer: Option C
Explanation:
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| 120. |
Which of the following statement is wrong? |
| A. |
A summit curve is provided where a positive grade meets a negative grade. |
B. |
A circular curve may be a reverse curve. |
| C. |
A transition curve tends to counteract the swaying outwards of a vehicle. |
D. |
none of the above |
Answer: Option D
Explanation:
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