97 Survey Chapter Wise McQ Test of 25 Question #6 Survey Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Finding the elevations of a point with respect to a given or assumed and establish points given elevation or at different elevations with respect to given or assumed datum is A. Surveying B. Levelling C. Bearing D. Contouring 2 / 25 2. In leveling operation A. The second sight on any change point is a fore sight B. The first sight on any change point is a back sight C. The line commences with a fore sight and closes with a back sight D. The line commences with a back sight and closes with a foresight. 3 / 25 3. A level cannot be used for A. Profile leveling B. Horizontal angle C. Vertical Angles D. Contouring 4 / 25 4. A datum surface in levelling is a A. Horizontal surface B. Vertical surface C. Level surface D. None of the above 5 / 25 5. Reduced level of a point is its height or depth above or below A. The ground surface B. The assumed datum C. Assumed horizontal surface D. The line of collimation 6 / 25 6. A level line is a A. horizontal line B. line parallel to the mean spheroidal surface of earth C. line passing through the center of cross hairs and the center of eye piece D. line passing through the objective lens and the eye-piece of a dumpy or tilting level 7 / 25 7. A level line is a A. horizontal line B. Line normal to plumb line at all points C. Both of above D. None of the above 8 / 25 8. The difference between a level line and a horizontal line is that A. level line is a curved line while horizontal line is a straight line B. level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line C. horizontal line is normal to plumb line while level line may not be normal to the plumb line D. None of the above 9 / 25 9. A levelling staff is used to establish: A. Horizontal line of sight B. Vertical line of sight C. Location of points D. Distance of points 10 / 25 10. Change points in levelling are A. The instrument stations that are changed from one position to another. B. The staff stations that are changed from point to point to obtain the reduced levels of the points C. The staff stations of known elevations. D. The staff stations where back sight and fore sight readings are taken. 11 / 25 11. Balancing of sights mean A. Making fore sight reading equal to back sight reading. B. Making the line of collimation horizontal C. Making the distance of fore sight station equal to that of the back sight station from the instrument station D. Taking fore sight and back sight readings at the same station 12 / 25 12. Dumpy level is most suitable when A. The instrument is to shifted frequently B. Fly leveling is being done over long distance C. Many readings are to be taken from a single setting of instrument D. All the above 13 / 25 13. If the back sight reading at point A is greater than the fore sight reading at point B then A. A is higher than B B. B is higher than A C. Height of the instrument is required to know which point is higher D. Instrument position is required to know which point is higher 14 / 25 14. The height of instrument method of reducing levels is preferred when A. There are large numbers of intermediate sights. B. There are no intermediate sights C. There are large numbers of fore sights. D. There are no fore sights. 15 / 25 15. Height of instrument method of leveling is A. More accurate than rise and fall method B. Less accurate than rise and fall method C. Quicker and less tedious for large number of intermediate sights D. None of the above 16 / 25 16. Collimation method is more preferred in A. Profile levelling B. Deferential levelling C. Check levelling D. Both b and c 17 / 25 17. The rise and fall method provides the check on A. Back sight B. Foresight C. Intermediate sight D. All of the above 18 / 25 18. Reciprocal levelling is employed to determine the accurate difference in level of two points which A. Are quite apart and where it is not possible to set up the instrument midway between the points. B. Are quite close and where it is not possible to set up the instrument midway between the points C. Have very large difference in level and two instrument settings are required to determine the difference in level D. Are at almost same elevation 19 / 25 19. When a level is in adjustment, the line of sight of the instrument is A. Perpendicular to the vertical axis of the instrument and parallel to the bubble tube axis B. Perpendicular to the vertical axis of the instrument and bubble level axis C. Perpendicular to the bubble tube axis and parallel to the vertical axis. D. None of the above 20 / 25 20. Sensitivity of a bubble tube depends on A. The radius of curvature. B. The length of the vapour bubble C. The smoothness of the inner surface of the buble tube D. All the above 21 / 25 21. A Dumpy level is preferred to determine the elevations of points A. Lying on hills. B. Lying on a line C. Lying in moderately flat terrain D. On a contour gradient. 22 / 25 22. What is the least count of leveling staff A. 5 cm B. 5 mm C. 5m D. 50 cm 23 / 25 23. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is A. 99.345 m B. 100.345 m C. 100.655m D. 101.870m 24 / 25 24. The RL of the BM is 300.7 m. There are three readings taken 1, 2.7 and 3.7. What is RL of the last station? A. 298 m B. 299 m C. 300 m D. 297 m 25 / 25 25. Refraction correction A. Completely eliminates curvature correction B. Partially eliminates curvature correction C. Adds to the curvature correction D. Has no effect on curvature correction Your score is The average score is 53% 0% Restart quiz Exit civil engineerloksewamcqmcq civilmcqcivilmock testpscsurveyupsc
