Q. The survey carried out to delineate natural features, such as hills, rivers, forests and manmade features, such as towns, villages, buildings, roads, transmission lines and canals is classified as
A. engineering survey
B. geological survey
C. land survey
D. topographic survey
Answer: D. topographic survey
Q. The chainage of the intersection point of two straights is 1585.60 m and the angle of intersection is 140o . If the radius of a circular curve is 600.00 m, the tangent distance (in m) and length of the curve (in m), respectively are
A. 418.88 and 1466.08
B. 218.38 and 1648.49
C. 218.38 and 418.88
D. 418.88 and 218.38
Answer: C. 218.38 and 418.88
Q. The latitude and departure of a line AB are +78m and −45.1m respectively. The whole circle bearing of the line AB is
A. 30o
B. 150o
C. 210o
D. 330o
Answer: D. 330o
Q. As per IS 800: 2007 the cross-section in which extreme fibre can reach the yield stress but cannot develop the plastic moment of resistance due to local buckling is classified as
A. Plastic section
B. Compact section
C. Semi compact section
D. Shear section
Answer: C. Semi compact section
Q. The local mean time at a place located in longitude 90o 40′ E when the standard time is 6 hours and 30 minutes and the standard meridian is 82o 30′ E is
A. 5 hours, 2 minutes and 40 seconds
B. 5 hours, 57 minutes and 20 seconds
C. 6 hours and 30 minutes
D. 7 hours, 02 minutes and 40 seconds
Answer: D. 7 hours, 02 minutes and 40 seconds
Q. A bench mark has been established at the soffit of an ornamental arch at the known elevation of 100.0 m above mean sea level. The back sight used to establish height of instrument is a inverted staffreading of 2.105 m. A forward sight reading with normally held staff of 1.105 m is taken on a recently constructed plinth. The elevation of the plinth is
A. 103.210 m
B. 101.000 m
C. 99.000 m
D. 96.790 m
Answer: D. 96.790 m
Q. Curvature correction to a staff reading in a differential leveling survey is
A. always subtractive
B. always zero
C. always additive
D. dependent on latitude
Answer: A. always subtractive
Q. In quadrantal bearing system, bearing of a line varies from
A. 0o to 360o
B. 0o to 180o
C. 0o to 90o
D. 0o N to 90o S
Answer: C. 0o to 90o
Q. The magnetic bearing of a line AB was N 59o 30′ W in the year 1967, when the declination was 4o 10′ E. If the present declination is 3o W, the whole circle bearing of the line is
A. 299o 20o
B. 307o 40o
C. 293o 20o
D. 301o 40o
Answer: B. 307o 40o
Q. The type of surveying in which the curvature of the earth is taken into account is called
A. Geodetic surveying
B. Plane surveying
C. Preliminary surveying
D. Topographical surveying
Answer: A. Geodetic surveying
Q. The plan of a survey plotted to a scale of 10 m to 1 cm ie reduced in such a way that a line originally 10 cm long now measures 9 cm. The area os the reduced plan is measured as 81 cm2. The actual area (m2) of the survey is
A. 10000
B. 6561
C. 1000
D. 656
Answer: A. 10000
Q. The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tacheometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diagram axis is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts are 1 m (top), 2m (middle), and 3 m (bottom). The horizontal distance (m) between the staff and the instrument station is
A. 100.3
B. 103.0
C. 150.0
D. 153.0
Answer: A. 100.3
Q. A light house of 120 m height is just visible above the horizon from a ship. The correct distance (m) between the ship and the light house considering combined correction for curvature and refraction, is
A. 39.098
B. 42.226
C. 39098
D. 42226
Answer: D. 42226
Q. The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat-7 is
A. 64
B. 10
C. 8
D. 15
Answer: C. 8
Q. __________ with someone else’s email account is now very serious offence.
A. Involving
B. Assisting
C. Tampering
D. Incubating
Answer: C. Tampering
Q. The minimum number of satellites needed for a GPS to determine its position precisely is
A. 2
B. 3
C. 4
D. 24
Answer: C. 4
Q. The system that uses the Sun as a source of electromagnetic energy and records the naturally radiated and reflected energy from the object is called
A. Geographical Information System
B. Global Positioning System
C. Passive Remote Sensing
D. Active Remote Sensing
Answer: C. Passive Remote Sensing
Q: Height of instrument method of levelling 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
Answer: C. quicker and less tedious for large number of intermediate sights
Q: Which of the following errors can be neutralised by setting the level midway between the two stations ?
A. error due to curvature only
B. error due to refraction only
C. error due to both curvature and re-fraction
D. none of the above
Answer: C. error due to both curvature and re-fraction
B. measuring angles to the point from at least two stations
Q: The difference between a level line and a horizontal line is that
A. level line is a curved line while hori-zontal 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. both are same
Answer: A. level line is a curved line while horizontal line is a straight line
Q: The sensitivity of a bubble tube can be increased by
A. increasing the diameter of the tube
B. decreasing the length of bubble
C. increasing the viscosity of liquid
D. decreasing the radius of curvature of tube
Answer: A. increasing the diameter of the tube
Q: 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
Answer: B. partially eliminates curvature correction
Q: Which of the following statements is in-correct ?
A. Error due to refraction may not be completely eliminated by reciprocal levelling.
B. Tilting levels are commonly used for precision work.
C. The last reading of levelling is always a foresight.
D. All of the above statements are incorrect.
Answer: D. All of the above statements are incorrect.
Q: Dumpy level is most suitable when
A. the instrument is to be shifted frequently
B. fly levelling is being done over long distance
C. many readings are to be taken from a single setting of the instrument
D. all of the above
Answer: C. many readings are to be taken from a single setting of the instrument
Q: The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be
A. equidistant from A and B
B. closer to the higher station
C. closer to the lower station
D. as far as possible from the line AB
Answer: A. equidistant from A and B
Q: An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as
A. contour line
B. horizontal equivalent
C. contour interval
D. contour gradient
Answer: D. contour gradient
Q: 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: D. vertical control
Q: Select the correct statement.
A. A contour is not necessarily a closed curve.
B. A contour represents a ridge line if the concave side of lower value contour lies towards the higher value contour.
C. Two contours of different elevations do not cross each other except in case of an overhanging cliff.
D. All of the above statements are correct.
Answer: C. Two contours of different elevations do not cross each other except in case of an overhanging cliff
Q: In the cross-section method of indirect contouring, the spacing of cross-sections depends upon
i) contour interval
ii) scale of plan
iii) characteristics of ground
The correct answer is
A. only (i)
B. (i)and(ii)
C. (ii) and (iii)
D. (i), (ii) and (iii)
Answer: D. (i), (ii) and (iii)
Q: Which of the following methods of con-touring is most suitable for a hilly terrain ?
A. direct method
B. square method
C. cross-sections method
D. tacheometric method
Answer: D. tacheometric method
Q: Select the correct statement.
A. Contour interval on any map is kept constant.
B. Direct method of contouring is cheaper 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: A. Contour interval on any map is kept constant.
Q: Closed contours, with higher value inwards, represent a
A. depression
B. hillock
C. plain surface
D. none of the above
Answer: B. hillock
Q: The type of surveying which requires least office work is
A. tacheomefry
B. trigonometrical levelling
C. plane table surveying
D. theodolite surveying
Q: The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
A. radiation
B. intersection
C. resection
D. traversing
Answer: C. resection
Q: Transit rule of adjusting the consecutive coordinates of a traverse is used where
A. linear and angular measurements of the traverse are of equal accuracy
B. angular measurements are more accurate than linear measurements
C. linear measurements are more accurate than angular measurements
D. all of the above
Answer: B. angular measurements are more accurate than linear measurements
Q: 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: B. measuring angles to the point from at least two stations
Q: Horizontal distances obtained by thermometric observations
A. require slope correction
B. require tension correction
C. require slope and tension corrections
D. do not require slope and tension corrections
Answer: C. require slope and tension corrections
Some More MCQs Related to Geomatics Engineering
- 100+ Datum MCQ Questions and Answers
- MCQs Of Geometrical Concept of Geodesy With Answers
- Basic Geodesy MCQ Questions And Answers
- 30+ Compass Surveying High Level MCQ Questions and Answers
- Fundamentals of Photogrammetry MCQ Questions & Answers
- Triangulation Surveying MCQ Questions and Answers | Geomatics Engineering
1 thought on “60+ Geomatics Engineering Interview Question and Answers”