Guess Objectives Questions of Geomatics Engineering For NEC Exam 2081 Kartik October 14, 2024October 13, 2024 by Rakesh Surya Let's Check Your Efficiency Thank you For Your Attention! Guess Objectives Questions For NEC 2081 Kartik 1 / 17 Pick up the correct feature of accidental error in surveying. positive and negative errors will occur with equal frequency small errors occur more frequently large errors do not occur all the above 2 / 17 Which one of the following is a wrong statement about plane table surveying? it avoids missing of any measurement required for plotting it is an accurate method it is not to be used for locating main stations accurately it is commonly used for filling details in small or medium scale mapping 3 / 17 Which one of the following is wrong about level surface? It is a horizontal plane. It is a surface parallel to mean spheroid of earth. All the points lying on this surface are equidistant from the centre of the earth. It is normal to plumb line at all points. 4 / 17 Pick up the correct statement given below:In cross-section method of contouring spacing of cross section depends upon the nature of ground cross sections need not be always at 90° to main line the method is suitable for road projects all the above 5 / 17 A theodolite is considered to be in proper condition, if the axis of the plate is perpendicular to the vertical axis the trunnion axis is perpendicular to the vertical axis the axis of the altitude level is parallel to the line of collimation all the above 6 / 17 List I                           List IIA. Ranging rod                  1. 4 – 8 m long with alternate colour bands of 200 mmB. Ranging pole                  2. 0.5 – 1.0 m long sticks used for rangingC. Offset rods                   3. 2 to 3 m long with alternate colour bands of 200 mmD. Laths                        4. 3 m long rods with narrow slights at right angles to each other at a height of eye A– 1 B – 3 C – 4 D – 2 A– 3 B – 1 C – 2 D – 4 A– 3 B – 1 C – 4 D – 2 A– 1 B – 3 C – 2 D – 4 7 / 17 Barometric surveying is based on the variation of air pressure with respect to altitude. True False 8 / 17 Which of the following indicates the correct set of terrestrial photogrammetric classification? A. Plane-table, stereo B. Theodolite, terrestrial C. Plane-table, terrestrial stereo D. Theodolite, terrestrial stereo 9 / 17 Which of the following is not a type of shutter used in aerial photogrammetry? A. Between-the-lens shutter B. Louvre shutter C. Ideal shutter D. Focal plane shutter 10 / 17 Perspective projection is produced from__________ A. Straight lines radiating a common point B. Straight lines radiating different points C. Parallel lines radiating a common point D. Perpendicular lines radiating a common point 11 / 17 If all the ground points are projected vertically downward on the mean sea level, which scale is recommended to be used? A. Datum scale B. Average scale C. Azimuth scale D. Reference scale 12 / 17 The correct sequence of transmission of electromagnetic waves in remote sensing system can be given as ___________ A. Energy source, transmission of signal, propagation of signal B. Transmission of signal, propagation of signal, energy source C. Propagation of signal, transmission of signal, energy source D. Energy source, propagation of energy, transmission of signal 13 / 17 Which of the following is not a classification of scattering principle? A. Faraday scattering B. Rayleigh scattering C. Mie scattering D. Non-selective scattering 14 / 17 Radio waves are having the longest wavelength among all the electromagnetic waves. True False 15 / 17 Triangulation baseline were measured accurately and carefully using ____, an alloy which is highly resistant to change in length caused by changes in______. A. Fiberglass, temperature B. Invar, humidity C. Invar, temperature D. Fiberglass, humidity 16 / 17 the angle between the _______ plane and a line joining a point on ellipsoid to the center of the ellipsoid is called____ latitude. A. Polar, geodetic B. Polar, geocentric C. Equatorial, geodetic D. Equatorial, geocentric 17 / 17 Geoid ____ is the distance between the ellipsoid and the geoid at a give___. A. Merging, point B. Merging, surface C. Separation, point D. Separation, surface Your score isThe average score is 50% 0% Restart quiz
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