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.
| 201. |
_Which of the following is not the function of levelling head ?$? |
| A. | to support the main part of the instrument |
| B. | to attach the theodolite to the tripod |
| C. | to provide a means for leveling the theodolite |
| D. | none of the above |
| Answer» E. | |
| 202. |
_Overturning of vehicles on a curve can be avoided by using$? |
| A. | compound curve |
| B. | vertical curve |
| C. | reverse curve |
| D. | transition curve |
| Answer» E. | |
| 203. |
_Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.$? |
| A. | By subtracting their longitudes if places are in the same hemisphere |
| B. | By adding their longitudes if places are in the different hemispheres |
| C. | By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres |
| D. | All the above |
| Answer» D. All the above | |
| 204. |
_The principal plane contains$? |
| A. | Nadir point |
| B. | Iso-centre |
| C. | Principal point |
| D. | All the above |
| Answer» E. | |
| 205. |
_If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is$? |
| A. | πR²E/90° |
| B. | πR²E/180° |
| C. | πR²E/270° |
| D. | πR²E/360° |
| Answer» C. ≈ì√ÑR¬¨‚â§E/270¬¨‚àû | |
| 206. |
_The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on$? |
| A. | March 21 |
| B. | June 21 |
| C. | September 21 |
| D. | December 22 |
| Answer» E. | |
| 207. |
_The solar tidal force divided by lunar tidal force is$? |
| A. | 1/3 |
| B. | 1/2 |
| C. | 3/4 |
| D. | 5/4 |
| Answer» C. 3/4 | |
| 208. |
_The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above$? |
| A. | Equator |
| B. | Horizon |
| C. | Pole |
| D. | None of these |
| Answer» C. Pole | |
| 209. |
_Detailed plotting is generally done by$? |
| A. | radiation |
| B. | traversing |
| C. | resection |
| D. | all of the above |
| Answer» B. traversing | |
| 210. |
_The latitude of the observer's position, is$? |
| A. | Elevation of the elevated pole |
| B. | Declination of the observer's zenith |
| C. | Angular distance along the observer's meridian between equator and the observer |
| D. | All the above |
| Answer» E. | |
| 211. |
_The smaller horizontal angle between the true meridian and a survey line, is known$? |
| A. | Declination |
| B. | Bearing |
| C. | Azimuth |
| D. | Dip |
| Answer» D. Dip | |
| 212. |
_The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as$? |
| A. | Principal point |
| B. | Isocenter |
| C. | Plumb point |
| D. | Perspective centre |
| Answer» C. Plumb point | |
| 213. |
_The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is$? |
| A. | f/H |
| B. | f/(H + h) |
| C. | f/(H - h) |
| D. | (H - h)/f |
| Answer» D. (H - h)/f | |
| 214. |
_Size of a theodolite is specified by$? |
| A. | the length of telescope |
| B. | the diameter of vertical circle |
| C. | the diameter of lower plate |
| D. | the diameter of upper plate |
| Answer» D. the diameter of upper plate | |
| 215. |
_Right ascension of a heavenly body is its equatorial angular distance measured$? |
| A. | Westward from the first point of Libra |
| B. | Eastward from the first point of Aeries |
| C. | Westward from the first point of Aeries |
| D. | Eastward from the first point of Libra |
| Answer» C. Westward from the first point of Aeries | |
| 216. |
_When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is$? |
| A. | θ = z + δ |
| B. | θ = δ - z |
| C. | θ = 180° - (z + δ) |
| D. | θ = (z + δ) - 180° |
| Answer» D. ≈í‚àè = (z + ≈í¬•) - 180¬¨‚àû | |
| 217. |
_In direct method of contouring, the process of locating or identifying points lying on a contour is called$? |
| A. | ranging |
| B. | centring |
| C. | horizontal control |
| D. | vertical control |
| Answer» E. | |
| 218. |
_At upper culmination, the pole star moves$? |
| A. | Eastward |
| B. | Westward |
| C. | Northward |
| D. | Southward |
| Answer» C. Northward | |
| 219. |
The size of a plane table is$? |
| A. | 750 mm √ó 900 mm |
| B. | 600 mm √ó 750 mm |
| C. | 450 mm √ó 600 mm |
| D. | 300 mm √ó 450 mm |
| Answer» C. 450 mm ‚àö√≥ 600 mm | |
| 220. |
The sidereal day is the time interval between two successive upper transits of$? |
| A. | Mean sun |
| B. | First point of Aries |
| C. | First point of Libra |
| D. | The polar star |
| Answer» C. First point of Libra | |
| 221. |
Bowditch rule is applied to$? |
| A. | an open traverse for graphical adjustment |
| B. | a closed traverse for adjustment of closing error |
| C. | determine the effect of local attraction |
| D. | none of the above |
| Answer» C. determine the effect of local attraction | |
| 222. |
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?$? |
| A. | Measuring angle and distance from one transit station |
| B. | Measuring angles to the point from at least two stations |
| C. | Measuring angle at one station and distance from other |
| D. | Measuring distance from two points on traverse line |
| Answer» C. Measuring angle at one station and distance from other | |
| 223. |
The angular distance of a heavenly body from the equator, measured along its meridian, is called$? |
| A. | Declination |
| B. | Altitude |
| C. | Zenith distance |
| D. | Co-latitude |
| Answer» B. Altitude | |
| 224. |
Stellar astronomy deals with$? |
| A. | Plane surveying |
| B. | Geodetic surveying |
| C. | Star observations |
| D. | Planet observations |
| Answer» D. Planet observations | |
| 225. |
The chord of a curve less than peg interval, is known as$? |
| A. | Small chord |
| B. | Sub-chord |
| C. | Normal chord |
| D. | Short chord |
| Answer» C. Normal chord | |
| 226. |
The net ground area of a vertical photograph 20 cm √ó 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is$? |
| A. | 0.50 sq km |
| B. | 0.56 sq km |
| C. | 0.60 sq km |
| D. | 0.64 sq km |
| Answer» E. | |
| 227. |
For a well-conditioned triangle, no angle should be less than$? |
| A. | 20° |
| B. | 30° |
| C. | 45° |
| D. | 60° |
| Answer» C. 45¬¨‚àû | |
| 228. |
The point at which sun's declination changes from north to south, is known as$? |
| A. | First point of Aeries |
| B. | First point of Libra |
| C. | Vernal Equinox |
| D. | Both (B) and (C) of the above |
| Answer» E. | |
| 229. |
The process of turning the telescope about the vertical axis in horizontal plane is known as$? |
| A. | transiting |
| B. | reversing |
| C. | plunging |
| D. | swinging |
| Answer» E. | |
| 230. |
The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as$? |
| A. | Photo plumb point |
| B. | Plumb point |
| C. | Nadir point |
| D. | Isocenter |
| Answer» B. Plumb point | |
| 231. |
Systematic errors$? |
| A. | Always follow some definite mathematical law |
| B. | Can be removed by applying corrections to the observed values |
| C. | Are also known as cumulative errors |
| D. | All the above |
| Answer» E. | |
| 232. |
The First Point of Aeries$? |
| A. | Is the point in the celestial sphere where zero meridian crosses the celestial equator |
| B. | Is usually denoted by the Greek letter ? |
| C. | Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda |
| D. | All the above |
| Answer» E. | |
| 233. |
In a tropical year, the numbers of sidereal days are$? |
| A. | 365 |
| B. | 365.2224 |
| C. | 365.2422 |
| D. | 366.2422 |
| Answer» E. | |
| 234. |
During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is$? |
| A. | 4 chains |
| B. | 6 chains |
| C. | 120 m |
| D. | 180m |
| Answer» C. 120 m | |
| 235. |
A star in northern sphere is said to transit$? |
| A. | When its altitude is maximum |
| B. | When its azimuth is 180° |
| C. | When it is in south |
| D. | All the above |
| Answer» E. | |
| 236. |
In the double application of principle of reversion, the apparent error is$? |
| A. | equal to true error |
| B. | half the true error |
| C. | two times the true error |
| D. | four times the true error |
| Answer» E. | |
| 237. |
The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on$? |
| A. | March 21 |
| B. | June 21 |
| C. | September 21 |
| D. | December 22 |
| Answer» C. September 21 | |
| 238. |
The true and mean suns occupy the same meridian at the same time on$? |
| A. | April 15 |
| B. | June 14 |
| C. | September 1 |
| D. | All the above |
| Answer» E. | |
| 239. |
The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is$? |
| A. | B = bH/f |
| B. | B =f/bH |
| C. | B = b/fH |
| D. | B = H/bf |
| Answer» B. B =f/bH | |
| 240. |
Accidental errors$? |
| A. | Do not follow any definite mathematical law |
| B. | Cannot be removed by applying corrections to the observed values |
| C. | Are generally small |
| D. | All the above |
| Answer» E. | |
| 241. |
If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about$? |
| A. | 10 km |
| B. | 25 km |
| C. | 30 km |
| D. | 50 km |
| Answer» D. 50 km | |
| 242. |
Select the correct statement.$? |
| A. | Contour interval on any map is kept constant. |
| B. | Direct method of contouring is cheap¬er than indirect method. |
| C. | Inter-visibility of points on a contour map cannot be ascertained. |
| D. | Slope of a hill cannot be determined with the help of contours. |
| Answer» B. Direct method of contouring is cheap¬¨¬®er than indirect method. | |
| 243. |
The distance between the minor control point and the principal point should be equal to$? |
| A. | Base line of the left photograph of stereo pair |
| B. | Base line of the right photograph of stereo pair |
| C. | Sum of the base lines of stereo pair |
| D. | Mean of the base lines of the stereo pair |
| Answer» E. | |
| 244. |
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by$? |
| A. | sin H = tan φ . cot δ |
| B. | cos H = tan φ . cot δ |
| C. | tan H = tan φ . cot δ |
| D. | None of these |
| Answer» C. tan H = tan ≈ì√ú . cot ≈í¬• | |
| 245. |
The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is$? |
| A. | 80° |
| B. | 70° |
| C. | 60° |
| D. | 40° |
| Answer» E. | |
| 246. |
Direct method of contouring is$? |
| A. | a quick method |
| B. | adopted for large surveys only |
| C. | most accurate method |
| D. | suitable for hilly terrains |
| Answer» D. suitable for hilly terrains | |
| 247. |
If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is$? |
| A. | 7.5 m |
| B. | 25 m |
| C. | 50 m |
| D. | 75 m |
| Answer» E. | |
| 248. |
The zenith is the point on the celestial sphere$? |
| A. | East of observer |
| B. | West of observer |
| C. | North of observer |
| D. | South of observer |
| Answer» E. | |
| 249. |
The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is$? |
| A. | 8,000 m |
| B. | 10,000 m |
| C. | 12,000 m |
| D. | 14,000 m |
| Answer» D. 14,000 m | |
| 250. |
International Date Line is located along$? |
| A. | Standard meridian |
| B. | Greenwich meridian |
| C. | Equator |
| D. | 180° longitude |
| Answer» E. | |