MCQOPTIONS
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MCQOPTIONS
This section includes 331 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In direct method of contouring, the process of locating or identifying points lying on a contour is called |
| A. | centring |
| B. | ranging |
| C. | vertical control |
| D. | horizontal control |
| Answer» D. horizontal control | |
| 2. |
If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is |
| A. | 0.4 |
| B. | 0.1 |
| C. | 1.33 |
| D. | 0.6 |
| Answer» B. 0.1 | |
| 3. |
For a tacheometer the additive and multi-plying constants are respectively |
| A. | 100 and 0 |
| B. | 0 and 100 |
| C. | 100 and 100 |
| D. | 0 and 0 |
| Answer» D. 0 and 0 | |
| 4. |
If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be |
| A. | 86.6 m, -50 m |
| B. | 50 m, 86.6 m |
| C. | 70.7 m,-50 m |
| D. | 50m, -86.6 m |
| Answer» B. 50 m, 86.6 m | |
| 5. |
In Question no. 89, the R.L. of last point |
| A. | is same as R.L. of first point |
| B. | is greater than R.L. of first point |
| C. | cannot be determined from the given data |
| D. | is smaller than R.L. of first point |
| Answer» D. is smaller than R.L. of first point | |
| 6. |
An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as |
| A. | horizontal equivalent |
| B. | contour line |
| C. | contour gradient |
| D. | contour interval |
| Answer» D. contour interval | |
| 7. |
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be |
| A. | closer to the higher station |
| B. | equidistant from A and B |
| C. | as far as possible from the line AB |
| D. | closer to the lower station |
| Answer» C. as far as possible from the line AB | |
| 8. |
Polaris is usually observed for the determination of the azimuth when it is%! |
| A. | At culmination |
| B. | At elongation |
| C. | Neither at culmination nor at elongation |
| D. | Either at culmination or at elongation |
| Answer» C. Neither at culmination nor at elongation | |
| 9. |
The rate of change of parallax dp/dh with respect to change in h, may be expressed as%! |
| A. | fB/(H - h) |
| B. | fB/(H - h)² |
| C. | fB/(H + h) |
| D. | fB/(H + h)² |
| Answer» C. fB/(H + h) | |
| 10. |
The position of the sun when its north declination is maximum is known as%! |
| A. | Vernal equinox |
| B. | Autumnal equinox |
| C. | Summer solstice |
| D. | Winter solstice |
| Answer» D. Winter solstice | |
| 11. |
The orthogonal projection of the perspective centre on a tilted photograph, is called%! |
| A. | Principal distance |
| B. | Principal line |
| C. | Isocentric distance |
| D. | Focal length |
| Answer» B. Principal line | |
| 12. |
The suitable contour interval for a map with scale 1 : 10000 is%! |
| A. | radiation |
| B. | intersection |
| C. | traversing |
| D. | resection |
| Answer» C. traversing | |
| 13. |
If the true bearing of a line AB is 269° 30′, then the azimuth of the line AB is%! |
| A. | Nadir |
| B. | Isocenter |
| C. | Principal point |
| D. | Plumb point |
| Answer» D. Plumb point | |
| 14. |
If S is the sum of three angles of a spherical triangle, the spherical excess equals%! |
| A. | 2 m |
| B. | 5 m |
| C. | 10 m |
| D. | 20 m |
| Answer» B. 5 m | |
| 15. |
If S is the sum of three angles of a spherical triangle, the spherical excess equals |
| A. | 2 m |
| B. | 5 m |
| C. | 10 m |
| D. | 20 m |
| Answer» B. 5 m | |
| 16. |
The relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is%! |
| A. | 500 m |
| B. | 1000 m |
| C. | 1500 m |
| D. | 2000 m |
| Answer» D. 2000 m | |
| 17. |
A metallic tape is made of |
| A. | steel |
| B. | invar |
| C. | linen |
| D. | cloth and wires |
| Answer» C. linen | |
| 18. |
A metallic tape is made of%! |
| A. | steel |
| B. | invar |
| C. | linen |
| D. | cloth and wires |
| Answer» C. linen | |
| 19. |
The angle between the observer's meridian and declination circle of a heavenly body, is known as%! |
| A. | Hour angle |
| B. | Azimuth |
| C. | Right ascension |
| D. | Declination |
| Answer» E. | |
| 20. |
The angle between the observer's meridian and declination circle of a heavenly body, is known as%! |
| A. | Hour angle |
| B. | Azimuth |
| C. | Right ascension |
| D. | Declination |
| Answer» E. | |
| 21. |
The methods used for locating the plane table stations arei) radiationii) traversingiii) intersectioniv) resectionThe correct answer is%! |
| A. | (i) and (ii) |
| B. | (iii) and (iv) |
| C. | (ii) and (iv) |
| D. | (i) and (iii) |
| Answer» D. (i) and (iii) | |
| 22. |
The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called%! |
| A. | Equator |
| B. | Celestial equator |
| C. | Ecliptic |
| D. | None of these |
| Answer» D. None of these | |
| 23. |
The instrument used for accurate centering in plane table survey is%! |
| A. | spirit level |
| B. | alidade |
| C. | plumbing fork |
| D. | trough compass |
| Answer» D. trough compass | |
| 24. |
Sensitiveness of a level tube is designated by%! |
| A. | radius of level tube |
| B. | length of level tube |
| C. | length of bubble of level tube |
| D. | none of the above |
| Answer» B. length of level tube | |
| 25. |
If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be%! |
| A. | 1000 km |
| B. | 800 km |
| C. | 600 km |
| D. | 500 km |
| Answer» E. | |
| 26. |
The horizontal angle between the true meridian and magnetic meridian at a place is called%! |
| A. | azimuth |
| B. | declination |
| C. | local attraction |
| D. | magnetic bearing |
| Answer» C. local attraction | |
| 27. |
The number of horizontal cross wires in a stadia diaphragm is%! |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» D. four | |
| 28. |
The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured%! |
| A. | Normal to base line |
| B. | Parallel to base line |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» C. Both (A) and (B) | |
| 29. |
The average eye base is assumed as%! |
| A. | 58 mm |
| B. | 60 mm |
| C. | 62 mm |
| D. | 64 mm |
| Answer» E. | |
| 30. |
The Polaris remains below horizon at%! |
| A. | 10° N |
| B. | 50° N Latitude |
| C. | Equator |
| D. | 5° S latitude |
| Answer» E. | |
| 31. |
The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called%! |
| A. | Rational horizon |
| B. | True horizon |
| C. | Celestial horizon |
| D. | All the above |
| Answer» E. | |
| 32. |
In a spherical triangle ABC right angled at C, sin b equals to%! |
| A. | sin c sin B |
| B. | cos c cos B |
| C. | tan c tan B |
| D. | sin c cos B |
| Answer» B. cos c cos B | |
| 33. |
If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to%! |
| A. | 1° |
| B. | 2° |
| C. | 3° |
| D. | 4° |
| Answer» D. 4¬¨‚àû | |
| 34. |
The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is%! |
| A. | 52 m |
| B. | 62 m |
| C. | 72 m |
| D. | 82 m |
| Answer» D. 82 m | |
| 35. |
A Nautical mile is%! |
| A. | One minute arc of the great circle passing through two points |
| B. | One minute arc of the longitude |
| C. | 1855.109 m |
| D. | All the above |
| Answer» E. | |
| 36. |
Longitude of a place is the angular distance between the meridian of the place and%! |
| A. | The standard meridian |
| B. | The International Date Line |
| C. | That of Greenwich |
| D. | Both (A) and (C) of above |
| Answer» E. | |
| 37. |
The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as%! |
| A. | Observation equation |
| B. | Conditional equation |
| C. | Normal equation |
| D. | None of these |
| Answer» D. None of these | |
| 38. |
The moon rotates round the earth once in every%! |
| A. | 29 days |
| B. | 29.35 days |
| C. | 29.53 days |
| D. | 30 days |
| Answer» C. 29.53 days | |
| 39. |
The time interval between successive transits of the moon, is%! |
| A. | 24 hours 10 minutes |
| B. | 20 hours 25 minutes |
| C. | 24 hours 50 minutes |
| D. | 23 hours 50 minutes |
| Answer» D. 23 hours 50 minutes | |
| 40. |
The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as%! |
| A. | Ground principal point |
| B. | Ground plumb point |
| C. | Iso-centre |
| D. | Perspective centre |
| Answer» C. Iso-centre | |
| 41. |
Pick up the incorrect statement from the following. In a spherical triangle%! |
| A. | Every angle is less than two right angles |
| B. | Sum of the three angles is equal to two right angles |
| C. | Sum of the three angles less than six right angles and greater than two right angles |
| D. | Sum of any two sides is greater than the third |
| Answer» C. Sum of the three angles less than six right angles and greater than two right angles | |
| 42. |
If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is%! |
| A. | 10° |
| B. | 20° |
| C. | 30° |
| D. | 40° |
| Answer» D. 40¬¨‚àû | |
| 43. |
For which of the following permanent adjustments of theodolite, the spire test is used ?%! |
| A. | adjustment of plate levels |
| B. | adjustment of line of sight |
| C. | adjustment of horizontal axis |
| D. | adjustment of altitude bubble and vertical index frame |
| Answer» D. adjustment of altitude bubble and vertical index frame | |
| 44. |
The position of a heavenly body on the celestial sphere can be completely specified by%! |
| A. | Its altitude and azimuth |
| B. | Its declination and hour angle |
| C. | Its declination and right ascension |
| D. | All the above |
| Answer» E. | |
| 45. |
The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called%! |
| A. | Visible horizon |
| B. | Sensible horizon |
| C. | Celestial horizon |
| D. | True horizon |
| Answer» C. Celestial horizon | |
| 46. |
Cross staff is an instrument used for%! |
| A. | measuring approximate horizontal angles |
| B. | setting out right angles |
| C. | measuring bearings of the lines |
| D. | none of the above |
| Answer» C. measuring bearings of the lines | |
| 47. |
For accurate work, the steel band should always be used in preference to chain because the steel band%! |
| A. | is lighter than chain |
| B. | is easier to handle |
| C. | is practically inextensible and is not liable to kinks when in use |
| D. | can be easily repaired in the field |
| Answer» D. can be easily repaired in the field | |
| 48. |
*$_For which of the following permanent adjustments of theodolite, the spire test is used ?? |
| A. | adjustment of plate levels |
| B. | adjustment of line of sight |
| C. | adjustment of horizontal axis |
| D. | adjustment of altitude bubble and vertical index frame |
| Answer» D. adjustment of altitude bubble and vertical index frame | |
| 49. |
*$_The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as? |
| A. | Observation equation |
| B. | Conditional equation |
| C. | Normal equation |
| D. | None of these |
| Answer» D. None of these | |
| 50. |
*$_Pick up the incorrect statement from the following. In a spherical triangle? |
| A. | Every angle is less than two right angles |
| B. | Sum of the three angles is equal to two right angles |
| C. | Sum of the three angles less than six right angles and greater than two right angles |
| D. | Sum of any two sides is greater than the third |
| Answer» C. Sum of the three angles less than six right angles and greater than two right angles | |