Surveying Practice Set - 1
(a) To work from whole to the part
(b) To work from part to whole
(c) None of the above
(d) Both (a) and (b) above
2. The curvature of the earth's surface is taken into account only if the extent of survey is more than
(a) 80 sq km
(b) 500 sq km
(e) 260 sq km
3. Geodetic survey is different from plane surveying because of
(a) Very large area is covered
(b) The curvature of the earth is considered
(c) The topography is bad
(d) The large difference of elevations.
4. Hydrographic survey deal with the mapping of
(a) Large water bodies
(b) Rainfall data
(c) Wave movement
(a) None of the above
5. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as
(a) Direct vernier
(b) Double vernier
(c) Simple vernier
(d) Retrograde vernier
6. In case of geographical maps, the scale is usually
(a) 1 cm = 10 cm to 100 cm
(b) 1 cm = 50 m to 100 m
(c) 1 cm = 5 km to 160 km
(d) 1 cm = more than 200 km
7. The polar axis of earth is shorter than equatorial axis by
(a) 4295 metres
(b) 9542 metres
(c) 42.95 kilometres
(d) 95.24 kilometres
8. A survey in which horizontal and vertical locations of points are fixed by linear and angular measurement is known as
(a) Geodetic survey
(b) Cadestral survey
(c) City survey
(d) Topographical survey
9. The survey done to fix the property lines, to calculate land area for transfer of land property from one owner to another is known as
(a) Cadestral survey
(b) City survey
(c) Municipality survey
(d) Property survey
10. A survey which in observations of the heavenly bodies such as sun or any other fixed star is done, is known as
(a) Celestial survey
(b) Astrological survey
(c) Photographic survey
(d) Astronomical survey
11. In centesimal system circumference is divided into
(a) 400 parts
(b) 360 parts
(c) 180 parts
(d) 240 parts
12. The survey in which the curvature of earth is ignored is called as
(a) Plane survey
(b) Geodetic survey
(c) Geological survey
(d) Aerial survey
15. The errors which go on increasing in magnitude (either positive or negative) with the increase in measured distance will be called as
(a) Cumulative errors
(b) Compensating errors
(c) Procedural errors
(d) Mistakes
16. The errors which are variable in sign (plus error tending to be as frequent as minus errors) and tends to balance out in the final results are called
(a) Cumulative errors
(b) Compensating errors
(c) Neutral errors
(d) Instrumental errors
17. The scale on which three dimensions can be measured is known as
(a) Plain scale
(b) Diagonal scale
(c) Chord scale
(d) Vernier scale
18. As per Indian standard, the length of one link in 30 metre chain should be
(a) 20 cm
(c) 40 cm
(b) 30 cm
(d) 10 cm
19. A discrepancy is the difference between
(a) True value and error
(b) Measured value and actual value
(c) Two measured values of the same quantity
(d) None of the above.
20. Off sets are
(a) Chain lines out of alignment
(b) Small measurements from chain line
(c) Measurements taken in chain surveying
(d) None of the above.
21. The error in measured length due to bad ranging is
(a) Cumulative error
(b) Compensating error
(c) Sometimes compensating error and sometimes cumultative error
(d) Insignificant
22. When a chain is used at a temperature more than the temperature it was calibrated the error in measured length will be
(a) Cumulative
(b) Compensating
(c) Negative
(d) Observational error
23. Invar tape is used for accurate measurement of distance because
(a) Its coefficient of thermal expansion is low
(b) Its coefficient of thermal expansion is zero
(c) It does not break on twisting or bending
(d) It is light in weight and good in strength
24. The length of an Engineer's chain should be
(a) 100 ft.
(b) 66 ft.
(c) 30 m
(d) 20 m
25. A linen tape reinforced with brass or copper wires to prevent streching or twisting of fibres is called
(a) Linen tape
(b) Metallic tape
(c) Invar tape
(d) Cloth tape
26. Generally while chaining, the arrow which accompany with one chain must be
(a) 3 Nos.
(b) 5 Nos.
(c) 10 Nos.
(d) 12 Nos.
27. Triangulation is the basic principle of chain survey because a triangle is the only geometrical figure which can be plotted uniquely if
(a) Two sides and included angle of the triangle is known
(b) All the three angles of the triangle are known
(c) One side and two angles of the triangle are known All the three sides of the triangle are known
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