MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If R is the radius of the curve in metres and C is the chord length in metres what would be the expression to denote versine ‘V’ in millimetres? |
| A. | V = 127 C2/R |
| B. | V = 127 R2/C |
| C. | V = 125 C2/R |
| D. | V = 125 R2/C |
| Answer» D. V = 125 R2/C | |
| 2. |
A railway curve of 1350 m radius is to be set out to connect two tangents. If the design speed is 110 kmph and the rate of change of acceleration is 0.3 m/s3, the shift of the circular curve will be nearly |
| A. | 0.18 m |
| B. | 0.16 m |
| C. | 0.14 m |
| D. | 0.12 m |
| Answer» C. 0.14 m | |
| 3. |
If a curve is made of two or more simple circular arcs in one direction and are meeting at a common tangent, such curve is known as:- |
| A. | Transition curve |
| B. | Reverse curve |
| C. | Simple circular curve |
| D. | Compound curve |
| Answer» E. | |
| 4. |
If Δ is deflection angle, then the chord length in circular curve is: |
| A. | R sin Δ |
| B. | R cos Δ |
| C. | \(2R \cos \frac \Delta 2\) |
| D. | \(2R \sin \frac \Delta 2\) |
| Answer» E. | |
| 5. |
A Curve having different radius fitted in between straight line and circular curve, is termed as |
| A. | Super elevation |
| B. | Vertical curve |
| C. | Transition curve |
| D. | Compound curve |
| Answer» D. Compound curve | |
| 6. |
If an upgrade of + 1.4% joins another upgrade of + 0.4% and rate of change of grade is 0.1% per 20 m chain, then the length of vertical curve is: |
| A. | 200 m |
| B. | 360 m |
| C. | 400 m |
| D. | 80 m |
| Answer» B. 360 m | |
| 7. |
If g1 = + 1.2% and g2 = + 0.8% and rate of change of grade = 0.1% per 20 m chain, then the length of the vertical curve is |
| A. | 10 m |
| B. | 15 m |
| C. | 30 m |
| D. | 80 m |
| Answer» E. | |
| 8. |
If 20 m arc length is the basis for the degree of curve, then the radius of the curve is: |
| A. | 1164/D |
| B. | 563/D |
| C. | 573/D |
| D. | 1146/D |
| Answer» E. | |
| 9. |
A circular curve has 300 m radius and 60-degree deflection angle. The length of curve and tangent length respectively are: |
| A. | 200 m, 150 m |
| B. | 314.16 m, 173.21 m |
| C. | 305.68 m, 158.73 m |
| D. | 450 m, 220 m |
| Answer» C. 305.68 m, 158.73 m | |
| 10. |
A circular curve has a long chord of 80 m and a versed sine of 4 m. The height and ordinate at a distance of 30 m from the mid-ordinate will be nearly |
| A. | 3.06 m |
| B. | 2.72 m |
| C. | 2.24 m |
| D. | 1.76 m |
| Answer» E. | |
| 11. |
If R is the radius of the circular curve and ϕ is the deflection angle, then tangent length of the curve is given by: |
| A. | R tan ϕ/2 |
| B. | R tan ϕ |
| C. | R tan ϕ/4 |
| D. | R tan ϕ/8 |
| Answer» B. R tan ϕ | |
| 12. |
If Δ is angle of deflection of a simple curve of radius R, the length of the curve is |
| A. | \(\frac{{{\rm{\pi R\Delta }}}}{{90}}\) |
| B. | \(\frac{{{\rm{\pi R\Delta }}}}{{180}}\) |
| C. | \(\frac{{{\rm{\pi R\Delta }}}}{{270}}\) |
| D. | \(\frac{{{\rm{\pi R\Delta }}}}{{360}}\) |
| Answer» C. \(\frac{{{\rm{\pi R\Delta }}}}{{270}}\) | |
| 13. |
If chainage of PC is 40000 m and length of transition curve is 220 m, then the chainage of junction of transition curve is______. |
| A. | 40220 m |
| B. | 39840 m |
| C. | 39780 m |
| D. | 400420 m |
| Answer» B. 39840 m | |
| 14. |
Calculate the apex distance, if the deflection angle is 60 degree and the degree of curve is 8 degree. |
| A. | 33.26 |
| B. | 124.13 |
| C. | 215 |
| D. | 262.8 |
| Answer» B. 124.13 | |
| 15. |
A curve of varying radius introduced between two branches of a compound curve is called as |
| A. | Mean curve |
| B. | Transition curve |
| C. | Base curve |
| D. | Common curve |
| E. | Retrograde curve |
| Answer» C. Base curve | |
| 16. |
A curve which consists of a two circular arcs of same or different radii having their centers to the different sides of the common tangent is called a________. |
| A. | simple curve |
| B. | compound curve |
| C. | transition curve |
| D. | reverse curve |
| Answer» E. | |
| 17. |
A train is running on a wide gauge at a speed of 85 kmph and has to negotiate a curvature. If overturning is to avoided at this speed, then the type of curvature required would be |
| A. | Compound curve |
| B. | Base curve |
| C. | Transition curve |
| D. | Vertical curve |
| E. | Lag curve |
| Answer» D. Vertical curve | |
| 18. |
If 'R' is the radius of the circle, so for a 20 m arc, the degree of a circular curve is: ____. |
| A. | 1718.9/R |
| B. | 2019/R |
| C. | 1145/R |
| D. | 1765/R |
| Answer» D. 1765/R | |
| 19. |
In a compound curve construction, if the length of the first curve is 268.3m and chainage at point of curve is 623.3m. The chainage at point of compound curvature is_______. |
| A. | 894.6m |
| B. | 355m |
| C. | 891.6m |
| D. | 2.32m |
| Answer» D. 2.32m | |