MCQOPTIONS
Saved Bookmarks
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.
| 51. |
*$_If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is? |
| A. | 10° |
| B. | 20° |
| C. | 30° |
| D. | 40° |
| Answer» D. 40¬¨‚àû | |
| 52. |
*$_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. | |
| 53. |
*$_For accurate work, the steel band should always be used in preference to chain because the steel band? |
| A. | is lighter than chain |
| B. | is easier to handle |
| C. | is practically inextensible and is not liable to kinks when in use |
| D. | can be easily repaired in the field |
| Answer» D. can be easily repaired in the field | |
| 54. |
*$_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 | |
| 55. |
*$_The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called? |
| A. | Visible horizon |
| B. | Sensible horizon |
| C. | Celestial horizon |
| D. | True horizon |
| Answer» C. Celestial horizon | |
| 56. |
*$_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 | |
| 57. |
*$_The time interval between successive transits of the moon, is? |
| A. | 24 hours 10 minutes |
| B. | 20 hours 25 minutes |
| C. | 24 hours 50 minutes |
| D. | 23 hours 50 minutes |
| Answer» D. 23 hours 50 minutes | |
| 58. |
*$_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 | |
| 59. |
*$_Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as? |
| A. | Swing |
| B. | Tilt |
| C. | Tip |
| D. | None of these |
| Answer» D. None of these | |
| 60. |
*$_Rotation of the camera at exposure about its vertical axis, is known as? |
| A. | Swing |
| B. | Tilt |
| C. | Tip |
| D. | None of these |
| Answer» B. Tilt | |
| 61. |
*$_Polaris is usually observed for the determination of the latitude when it is? |
| A. | At culmination |
| B. | At elongation |
| C. | Neither at culmination nor at elongation |
| D. | Either at culmination or at elongation |
| Answer» B. At elongation | |
| 62. |
*$_Dumpy level is most suitable when? |
| A. | the instrument is to be shifted frequently |
| B. | fly levelling is being done over long distance |
| C. | many readings are to be taken from a single setting of the instrument |
| D. | all of the above |
| Answer» D. all of the above | |
| 63. |
*$_In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as? |
| A. | W23°30’N |
| B. | N66°30’W |
| C. | S113°30’N |
| D. | N23°30’W |
| Answer» C. S113¬¨‚àû30‚Äö√Ñ√¥N | |
| 64. |
*$_The maximum error in radial line assumption, is? |
| A. | h/H f tan θ |
| B. | h/H f² tan θ |
| C. | h/H f² sin θ |
| D. | h/H f cos θ |
| Answer» B. h/H f¬¨‚⧠tan ≈í‚àè | |
| 65. |
*$_Pick up the correct statement for horizontal photographs.? |
| A. | Parallel lines do not appear parallel in central projection |
| B. | The two sides of a road meet at the vanishing point |
| C. | The lines parallel to the negative plane are projected as parallel lines |
| D. | All the above |
| Answer» E. | |
| 66. |
*$_The necessary geometrical condition for triangulation adjustment is:? |
| A. | The sum of the angles around a station should be 360° |
| B. | The sum of the three angles of a plane triangle should be 180° |
| C. | The sum of the eight angles of a braced quadrilateral should be 360° |
| D. | All the above |
| Answer» E. | |
| 67. |
*$_The angle of intersection of the two plane mirrors of an optical square is? |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 90° |
| Answer» C. 60¬¨‚àû | |
| 68. |
*$_The sun's declination remains north between? |
| A. | March 21 to June 21 |
| B. | June 21 to September 21 |
| C. | September 21 to December 21 |
| D. | Both (A) and (B) of above |
| Answer» E. | |
| 69. |
*$_Latitude of a place is the angular distance from? |
| A. | Greenwich to the place |
| B. | Equator to the poles |
| C. | Equator to the nearer pole |
| D. | None of these |
| Answer» E. | |
| 70. |
*$_Parallax bar measures? |
| A. | Parallax |
| B. | Height |
| C. | Parallax difference |
| D. | Height difference |
| Answer» D. Height difference | |
| 71. |
*$_G.M.T. corresponding to given mean time, equals? |
| A. | L.M.T. - East longitude in time |
| B. | L.M.T. + East longitude in time |
| C. | L.M.T. - West longitude in time |
| D. | None of these |
| Answer» B. L.M.T. + East longitude in time | |
| 72. |
*$_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 | |
| 73. |
*$_The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is? |
| A. | 52 m |
| B. | 62 m |
| C. | 72 m |
| D. | 82 m |
| Answer» D. 82 m | |
| 74. |
*$_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. | |
| 75. |
*$_Sensitiveness of a level tube is designated by? |
| A. | radius of level tube |
| B. | length of level tube |
| C. | length of bubble of level tube |
| D. | none of the above |
| Answer» B. length of level tube | |
| 76. |
*$_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. | |
| 77. |
*$_Longitude of a place is the angular distance between the meridian of the place and? |
| A. | The standard meridian |
| B. | The International Date Line |
| C. | That of Greenwich |
| D. | Both (A) and (C) of above |
| Answer» E. | |
| 78. |
*$_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. | |
| 79. |
*$_The Polaris remains below horizon at? |
| A. | 10° N |
| B. | 50° N Latitude |
| C. | Equator |
| D. | 5° S latitude |
| Answer» E. | |
| 80. |
*$_The number of horizontal cross wires in a stadia diaphragm is? |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» D. four | |
| 81. |
*$_The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured? |
| A. | Normal to base line |
| B. | Parallel to base line |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» C. Both (A) and (B) | |
| 82. |
*$_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 | |
| 83. |
*$_The horizontal angle between the true meridian and magnetic meridian at a place is called? |
| A. | azimuth |
| B. | declination |
| C. | local attraction |
| D. | magnetic bearing |
| Answer» C. local attraction | |
| 84. |
*$_The average eye base is assumed as? |
| A. | 58 mm |
| B. | 60 mm |
| C. | 62 mm |
| D. | 64 mm |
| Answer» E. | |
| 85. |
*$_Which of the following errors can be neutralised by setting the level midway between the two stations ?? |
| A. | error due to curvature only |
| B. | error due to refraction only |
| C. | error due to both curvature and re-fraction |
| D. | none of the above |
| Answer» D. none of the above | |
| 86. |
*$_Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?? |
| A. | error due to eccentricity of verniers |
| B. | error due to displacement of station signals |
| C. | error due to wrong adjustment of line of collimation and trunnion axis |
| D. | error due to inaccurate graduation |
| Answer» C. error due to wrong adjustment of line of collimation and trunnion axis | |
| 87. |
*$_At the first point of Aeries, the sun moves? |
| A. | Northward |
| B. | Southward |
| C. | From south to north of the equator |
| D. | From north to south of the equator |
| Answer» D. From north to south of the equator | |
| 88. |
*$_The difference in longitude of two places expressed in time is equal to the difference in their? |
| A. | Sidereal time |
| B. | Apparent solar time |
| C. | Mean solar time |
| D. | All the above |
| Answer» E. | |
| 89. |
*$_Which of the following angles can be set out with the help of French cross staff?? |
| A. | 45° only |
| B. | 90° only |
| C. | either 45° or 90° |
| D. | any angle |
| Answer» D. any angle | |
| 90. |
*/*_Circumpolar stars? |
| A. | Rotate round the North Pole |
| B. | Rotate round the celestial pole |
| C. | Remain always above the horizon |
| D. | Are seldom seen near the pole star |
| Answer» D. Are seldom seen near the pole star | |
| 91. |
*/*_A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is? |
| A. | Δ/2 |
| B. | Δ/3 |
| C. | Δ/4 |
| D. | Δ/6 |
| Answer» E. | |
| 92. |
*/*_The method of surveying by triangulation was first introduced by the Dutchman Snell in? |
| A. | 1600 |
| B. | 1615 |
| C. | 1630 |
| D. | 1650 |
| Answer» C. 1630 | |
| 93. |
*/*_The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:? |
| A. | Mean sun |
| B. | True sun |
| C. | Vernal equinox |
| D. | All the above |
| Answer» E. | |
| 94. |
*/*_In the cross-section method of indirect contouring, the spacing of cross-sections depends uponi) contour intervalii) scale of planiii) characteristics of groundThe correct answer is? |
| A. | only (i) |
| B. | (i) and (ii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 95. |
*/*_At lower culmination, the pole star moves? |
| A. | Eastward |
| B. | Westward |
| C. | Northward |
| D. | Southward |
| Answer» B. Westward | |
| 96. |
*/*_For a tacheometer the additive and multi-plying constants are respectively? |
| A. | 0 and 100 |
| B. | 100 and 0 |
| C. | 0 and 0 |
| D. | 100 and 100 |
| Answer» B. 100 and 0 | |
| 97. |
*/*_The prismatic compass and surveyor’s compass? |
| A. | give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively |
| B. | both give QB of a line and WCB of a line |
| C. | both give QB of a line |
| D. | both give WCB of a line |
| Answer» B. both give QB of a line and WCB of a line | |
| 98. |
*/*_A star may culminate at zenith if its declination is? |
| A. | Greater than the longitude of the place |
| B. | Less than the latitude of the place |
| C. | Equal to the latitude of the place |
| D. | None of these |
| Answer» D. None of these | |
| 99. |
*/*_The Polaris describes a small circle round the pole whose radius is approximately? |
| A. | 1° |
| B. | 2° |
| C. | 3° |
| D. | 4° |
| Answer» B. 2¬¨‚àû | |
| 100. |
*/*_The nautical mile is the length of? |
| A. | 1 minute of latitude |
| B. | 1 minute of longitude |
| C. | 1 degree of latitude |
| D. | 1 degree of longitude |
| Answer» C. 1 degree of latitude | |