MCQOPTIONS
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MCQOPTIONS
This section includes 35 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Following bearings are observed while traversing with a compass.
After applying the correction due to local attraction, the corrected fore bearing of line BC will be |
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| A. | 48 15' | ||||||||||||
| B. | 50 15' | ||||||||||||
| C. | 49 45' | ||||||||||||
| D. | 48 45' | ||||||||||||
| Answer» E. | |||||||||||||
| 2. |
The bearings of two inaccessible stations, S1 (Easting 500 m, Northing 500 m) and S2 (Easting 600 m, Northing 450 m) from a station S3 were observed as 225 and 153 26' respectively. The independent Easting (in m) of station S3 is : |
| A. | 450.000 |
| B. | 570.710 |
| C. | 550.000 |
| D. | 650.000 |
| Answer» D. 650.000 | |
| 3. |
A road is provided with a horizontal circular curve having deflection angle of 55 and centre line radius of 250 m. A transition curve is to be provided at each end of the circular curve of such a length that the rate of gain of radial acceleration is 0.3 m/s3 at a speed of 50 km per hour. Length of the transition curve required at each of the ends is |
| A. | 2.57 m |
| B. | 33.33 m |
| C. | 35.73 m |
| D. | 1666.67 m |
| Answer» D. 1666.67 m | |
| 4. |
Group I lists tool/instrument while Group II lists the method of surveying. Match the tool/instrument with the corresponding method of surveying.
|
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| A. | P 3; Q 2; R 1; S 4 | ||||||||||
| B. | P 2; Q 4; R 3; S 1 | ||||||||||
| C. | P 1; Q 2; R 4; S 3 | ||||||||||
| D. | P 3; Q 1; R 2; S 4 | ||||||||||
| Answer» E. | |||||||||||
| 5. |
Which of the following errors can be eliminated by reciprocal measurements in differential levelling ?
|
| A. | Both I and II |
| B. | I only |
| C. | II only |
| D. | Neither I nor II |
| Answer» B. I only | |
| 6. |
Determine the correctness or otherwise of the following Assertion (A) and the Reason (R) :
|
| A. | Both (A) and (R) are true and (R) is the correct reason for (A) |
| B. | Both (A) and (R) are true but (R) is not the correct reason for (a) |
| C. | Both (A) and (R) are false |
| D. | (A) is false but (R) is true |
| Answer» B. Both (A) and (R) are true but (R) is not the correct reason for (a) | |
| 7. |
The plan of a survey plotted to a scale of 10 m to 1 cm is reduced in such a way that a line originally 10 cm long now measures 9 cm. The area of the reduced plan is measured as 81 cm2. The actual (m2) of the survey is |
| A. | 10000 |
| B. | 6561 |
| C. | 1000 |
| D. | 656 |
| Answer» B. 6561 | |
| 8. |
Two Pegs A and B were fixed on opposite banks of a 50 m wide river. The level was set up at A and the staff readings on Pegs A and B were observed as 1.350 m and 1.550 m, respectively. Thereafter the instrument was shifted and set up at B. The staff readings on Pegs B and A were observed as 0.750 m and 0.550 m, respectively. If the R.L. of Peg A is 100.200 m, the R.L. (in m) of Peg B is ______ . |
| A. | 17 |
| B. | 40 |
| C. | 100 |
| D. | 85 |
| Answer» D. 85 | |
| 9. |
In a leveling work, sum of the Back Sight (B.S.) and Fore Sight (F.S.) have been found to be 3.085 m and 5.645 m respectively. If the Reduced Level (R.L.) of the starting station is 100.000 m, the R.L. (in m) of the last station is ______ . |
| A. | 97.440 |
| B. | 57.440 |
| C. | 21.230 |
| D. | 17.414 |
| Answer» B. 57.440 | |
| 10. |
A theodolite is set up at station A and a 3 m long staff is held vertically at station B. The depression angle reading at 2.5 m marking on the staff is 6 10'. The horizontal distance between A and B is 2200 m. Height of instrument at station A is 1.1 m and R.L. of A is 880.88 m. Apply the curvature and refraction correction, and determine the R.L. of B (in m). |
| A. | 212.205 m |
| B. | 642.205 m |
| C. | 342.65 m |
| D. | None of the above |
| Answer» C. 342.65 m | |
| 11. |
During a levelling work along a falling gradient using a Dumpy level and a Staff of 3m length, following successive readings were taken: 1.785, 2.935, 0.360, 1.320. What will be the correct order of booking these four readings in a level book? (BS : Back Sight IS : Intermediate Sight, FS : Fore Sight) |
| A. | BS, FS, BS, FS |
| B. | BS, IS, FS, FS |
| C. | BS, IS, IS, FS |
| D. | BS, IS, BS, FS |
| Answer» B. BS, IS, FS, FS | |
| 12. |
Group I lists tool/instrument while Group II lists the method of surveying. Match the tool/instrument with the corresponding method of surveying. |
| A. | P 3; Q 2; R 1; S 4 |
| B. | P 2; Q 4; R 3; S 1 |
| C. | P 1; Q 2; R 4; S 3 |
| D. | P 3; Q 1; R 2; S 4 |
| Answer» E. | |
| 13. |
Which of the following errors can be eliminated by reciprocal measurements in differential levelling ? |
| A. | Both I and II |
| B. | I only |
| C. | II only |
| D. | Neither I nor II |
| Answer» B. I only | |
| 14. |
Curvature correction to a staff reading in a differential levelling survey is |
| A. | always subtractive |
| B. | always zero |
| C. | always additive |
| D. | dependent on latitude |
| Answer» B. always zero | |
| 15. |
Determine the correctness or otherwise of the following Assertion (A) and the Reason (R) : |
| A. | Both (A) and (R) are true and (R) is the correct reason for (A) |
| B. | Both (A) and (R) are true but (R) is not the correct reason for (a) |
| C. | Both (A) and (R) are false |
| D. | (A) is false but (R) is true |
| Answer» B. Both (A) and (R) are true but (R) is not the correct reason for (a) | |
| 16. |
A Bench Mark has been established at the soffit of an ornamental arch at the known elevation of 100.0 m above sea level. The back sight used to establish height of instrument is an inverted staff reading of 2.105 m. A forward sight reading with normally held staff of 1.105 m is taken on a recently constructed plinth. The elevation of the plinth is |
| A. | 103.210 m |
| B. | 101.000 m |
| C. | 99.000 m |
| D. | 96.790 m |
| Answer» E. | |
| 17. |
In quadrantal bearing system, bearing of a line varies from |
| A. | 0 to 360 |
| B. | 0 to 180 |
| C. | 0 to 90 |
| D. | 0 N to 90 s |
| Answer» D. 0 N to 90 s | |
| 18. |
The local mean time at a place located in longitude 90 40' E when the standard time is 6 hours and 30 minutes and the standard meridian is 82 30' E is |
| A. | 5 hours, 2 minutes and 40 seconds |
| B. | 5 hours, 57 minutes and 20 seconds |
| C. | 6 hours, and 30 minutes |
| D. | 7 hours, 02 minutes and 40 seconds |
| Answer» E. | |
| 19. |
The magnetic bearing of a line AB was N 59 30' W in the year 1967, when the declination was 4 10' E. If the present declination is 3 W, the whole circle bearing of the line is |
| A. | 299 20' |
| B. | 307 40' |
| C. | 293 20' |
| D. | 301 40' |
| Answer» E. | |
| 20. |
Following bearings are observed while traversing with a compass. |
| A. | 48 15' |
| B. | 50 15' |
| C. | 49 45' |
| D. | 48 45' |
| Answer» E. | |
| 21. |
The latitude and departure of a line AB are +78 m and 45.1 m, respectively. The whole circle bearing of the line AB is |
| A. | 30 |
| B. | 150 |
| C. | 210 |
| D. | 330 |
| Answer» E. | |
| 22. |
The plan of a map was photo copied to a reduced size such that a line originally 100 mm, measures 90 mm. The original scale of the plan was 1 : 1000. The revised scale is |
| A. | 1 : 900 |
| B. | 1 : 1111 |
| C. | 1 : 1121 |
| D. | 1 : 1221 |
| Answer» C. 1 : 1121 | |
| 23. |
The horizontal distance between two stations P and Q is 100 m. The vertical angles from P and Q to the top of a vertical tower at T are 3 and 5 above horizontal, respectively. The vertical angles from P and Q to the base of the tower are 0.1 and 0.5 below horizontal, respectively. Stations P, and the tower are in the same vertical plane with P and Q being on the same side of T. Neglecting earth s curvature and atmospheric refraction, the height (in m) of the tower is |
| A. | 6.972 |
| B. | 12.387 |
| C. | 12.540 |
| D. | 128.745 |
| E. | None of the above |
| Answer» F. | |
| 24. |
Two straight lines intersect at an angle of 60 . The radius of a curve joining the two straight lines is 600 m. The length of long chord and mid-ordinates in metres of the curve are |
| A. | 8.4, 600.0 |
| B. | 600.0, 80.4 |
| C. | 600.0, 39.89 |
| D. | 40, 89, 300 |
| Answer» C. 600.0, 39.89 | |
| 25. |
In a region with magnetic declination of 2 E, the magnetic Fore bearing(FB) of a line AB was measured as N79 50'E. There was local attraction at A. To determine the correct magnetic bearing of the line, a point O was selected at which there was no local attraction. The magnetic FB of line AO and OA were observed to be S52 40'E and N50 20'W, respectively. What is the true FB of line AB? |
| A. | N81 50 ' E |
| B. | N82 10 ' SE |
| C. | N84 10 ' E |
| D. | N77 50 ' E |
| Answer» D. N77 50 ' E | |
| 26. |
The combined correction due to curvature and refraction (in m) for a distance of 1 km on the surface of Earth is |
| A. | 0.0673 |
| B. | 0.673 |
| C. | 7.63 |
| D. | 0.763 |
| Answer» B. 0.673 | |
| 27. |
In a closed loop traverse of 1 km total length, the closing errors in departure and latitude are 0.3 m and 0.4 m, respectively. The relative precision of this traverse will be : |
| A. | 1 : 5000 |
| B. | 1 : 4000 |
| C. | 1 : 3000 |
| D. | 1 : 2000 |
| Answer» E. | |
| 28. |
The chainage of the intersection point of two straights is 1585.60 m and the angle of intersection is 140 . If the radius of a circular curve is 600.00 m, the tangent distance (in m) and length of the curve (in m). respectively are |
| A. | 418.88 and 1466.08 |
| B. | 218.38 and 1648.49 |
| C. | 218.38 and 418.88 |
| D. | 418.88 and 218.38 |
| Answer» D. 418.88 and 218.38 | |
| 29. |
The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tacheometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts are 1 m (top), 2m (middle), and 3m (bottom). The horizontal distance (m) between the staff and the instrument station is |
| A. | 100.3 |
| B. | 103.0 |
| C. | 150.0 |
| D. | 153.0 |
| Answer» B. 103.0 | |
| 30. |
A Bench Mark (BM) with reduced level (RL) = 155.305 m has been established at the floor of a room. It is required to find out the Rl of the underside of the roof (R) of the room using spirit levelling. The back sight (BS) to the BM has been observed as 1.500 m whereas the fore sight (FS) to R has been observed as 0.575 m (staff held inverted). The RL (m) of R will be |
| A. | 155.880 |
| B. | 156.230 |
| C. | 157.380 |
| D. | 157. 860 |
| Answer» D. 157. 860 | |
| 31. |
The magnetic bearing of a line AB is S 45 E and the declination is 5 West. The true bearing of the line AB is |
| A. | S 45 E |
| B. | S 40 E |
| C. | S 50 E |
| D. | S 50 W |
| Answer» C. S 50 E | |
| 32. |
The plan of a survey plotted to a scale of 10 m to 1 cm is reduced in such a way that a line originally 10 cm long now measures 9 cm. The area of the reduced plan is measured as 81 cm |
| A. | 10000 |
| B. | 6561 |
| C. | 1000 |
| D. | 656 |
| Answer» B. 6561 | |
| 33. |
A road is provided with a horizontal circular curve having deflection angle of 55 and centre line radius of 250 m. A transition curve is to be provided at each end of the circular curve of such a length that the rate of gain of radial acceleration is 0.3 m/s |
| A. | 2.57 m |
| B. | 33.33 m |
| C. | 35.73 m |
| D. | 1666.67 m |
| Answer» D. 1666.67 m | |
| 34. |
The observed magnetic bearing of a line OE was found to be 185 . It was later discovered that station O had a local attraction of + 1.5 . The true bearing of the line OE, considering a magnetic declination of 3.5 E shall be |
| A. | 180 |
| B. | 187 |
| C. | 190 |
| D. | 193 |
| Answer» C. 190 | |
| 35. |
The bearings of two inaccessible stations, S |
| A. | 450.000 |
| B. | 570.710 |
| C. | 550.000 |
| D. | 650.000 |
| Answer» D. 650.000 | |