Surveying — Part 2 MCQs with Explanations

decreases is the correct answer to “With the rise of temperature, the sensitivity of a bubble tube”. This question is standard in competitive examination syllabi for Surveying.

most accurate method is the correct answer to “Direct method of contouring is”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “The correction applied to the measured base of length ‘L’ is”. This question is standard in competitive examination syllabi for Surveying.

Length of the arc of the great circle passing through them is the correct answer to “The shortest distance between two places measured along the surface of the earth, is”. This question is standard in competitive examination syllabi for Surveying.

Both (A) and (C) of above is the correct answer to “Longitude of a place is the angular distance between the meridian of the place and”. This question is standard in competitive examination syllabi for Surveying.

40° is the correct answer to “The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “Triangulation surveys are carried out for locating”. This question is standard in competitive examination syllabi for Surveying.

Isocenter is the correct answer to “For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through”. This question is standard in competitive examination syllabi for Surveying.

3° is the correct answer to “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”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “A star is said to elongate”. This question is standard in competitive examination syllabi for Surveying.

75 m is the correct answer to “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”. This question is standard in competitive examination syllabi for Surveying.

Zenith and pole is the correct answer to “The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between”. This question is standard in competitive examination syllabi for Surveying.

72 m is the correct answer to “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”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “The stereo plotting instruments are generally manufactured on the principle of”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “The true and mean suns occupy the same meridian at the same time on”. This question is standard in competitive examination syllabi for Surveying.

$$\frac{{\pi {{\text{R}}^2}{\text{E}}}}{{{{180}^ \circ }}}$$ is the correct answer to “If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is”. This question is standard in competitive examination syllabi for Surveying.

Pivot station is the correct answer to “The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as”. This question is standard in competitive examination syllabi for Surveying.

sin c sin B is the correct answer to “In a spherical triangle ABC right angled at C, sin b equals to”. This question is standard in competitive examination syllabi for Surveying.

1 m is the correct answer to “23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents”. This question is standard in competitive examination syllabi for Surveying.

June 21 is the correct answer to “The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on”. This question is standard in competitive examination syllabi for Surveying.

December 22 is the correct answer to “The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on”. This question is standard in competitive examination syllabi for Surveying.

foresight and backsight is the correct answer to “The following sights are taken on a “turning point””. This question is standard in competitive examination syllabi for Surveying.

declination is the correct answer to “The horizontal angle between the true meridian and magnetic meridian at a place is called”. This question is standard in competitive examination syllabi for Surveying.

line parallel to the mean spheriodal surface of earth is the correct answer to “A ’level line’ is a”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “Accidental errors”. This question is standard in competitive examination syllabi for Surveying.

By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres is the correct answer to “Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.”. This question is standard in competitive examination syllabi for Surveying.

partially eliminates curvature correction is the correct answer to “Refraction correction”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “The prime vertical passes through”. This question is standard in competitive examination syllabi for Surveying.

$${\text{B}} = \frac{{{\text{bH}}}}{{\text{f}}}$$ is the correct answer to “The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is”. This question is standard in competitive examination syllabi for Surveying.

All the above is the correct answer to “The principal plane contains”. This question is standard in competitive examination syllabi for Surveying.

Celestial pole is the correct answer to “Latitude of the observer's position is equal to altitude of”. This question is standard in competitive examination syllabi for Surveying.

Parallel to base line is the correct answer to “The parallax equation $$\Delta {\text{p}} = \frac{{{\text{Bm}}\Delta {\text{h}}}}{{{\text{H}} - {\text{h}}}}$$ is applicable to entire overlap of the photographs only if parallax is measured”. This question is standard in competitive examination syllabi for Surveying.

straightening the links is the correct answer to “If the length of a chain is found to be short on testing, it can be adjusted by”. This question is standard in competitive examination syllabi for Surveying.

four times the true error is the correct answer to “In the double application of principle of reversion, the apparent error is”. This question is standard in competitive examination syllabi for Surveying.

$$\frac{1}{2}$$ is the correct answer to “The solar tidal force divided by lunar tidal force is”. This question is standard in competitive examination syllabi for Surveying.

hillock is the correct answer to “Closed contours, with higher value inwards, represent a”. This question is standard in competitive examination syllabi for Surveying.

64 mm is the correct answer to “The average eye base is assumed as”. This question is standard in competitive examination syllabi for Surveying.

180° east or westward is the correct answer to “Longitudes are measured from 0° to”. This question is standard in competitive examination syllabi for Surveying.

cos H = tan φ . cot δ is the correct answer to “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”. This question is standard in competitive examination syllabi for Surveying.

sin z = sec φ . cos δ is the correct answer to “If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by”. This question is standard in competitive examination syllabi for Surveying.