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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An ideal transition curve is |
| Answer» IRC recommends Spiral or clothoid as the ideal transition curve due to following reasons: 1. It satisfies that rate of change of centrifugal acceleration is constant i.e., Ls.R = constant. Where Ls = length of transition curve R = radius of curve. 2. The calculation and field implementation of spiral curve is simple and easy. 3. It enhances aesthetics also. | |
| 2. |
The slope correction for a 3° slope for a length of 100 m, is |
| Answer» Slope correction = -L(1-cos α). Where L Slope Distance, α Slope angle (Slope correction is always negative). = -100(1-cos 3°) = -0.137 | |
| 3. |
The orthogonal projection of the perspective centre on a tilted photograph, is called |
| Answer» | |
| 4. |
The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is |
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| 5. |
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is |
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Answer» both (i) and (IV) |
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| 6. |
In triangulation surveys |
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Answer» All the above |
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| 7. |
Polaris is usually observed for the determination of the azimuth when it is |
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Answer» At ELONGATION |
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| 8. |
The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is |
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Answer» f/H SEC ¸ |
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