Surveying Objective Question | Answer | Pdf - 02
Question No. 01 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: Option B
Question No. 02 Check lines (or proof lines) in Chain Surveying, are essentially required
(A) To plot the chain lines
(B) To plot the offsets
(C) To indicate the accuracy of the survey work
(D) To increase the out-turn
Answer: Option C
Question No. 03 After fixing the plane table to the tripod, the main operations which are needed at each plane table station are
(i) Levelling
(ii) Orientation
(iii) Centering
The correct sequence of these operations is
(A) (i), (ii), (iii)
(B) (i), (iii), (ii)
(C) (iii), (i), (ii)
(D) (ii), (iii), (i)
Answer: Option B
Question No. 04 Detailed plotting is generally done by
(A) Radiation
(B) Traversing
(C) Resection
(D) All of the above
Answer: Option A
Question No. 05 Pick up the correct statement from the following:
(A) An observation or the resulting reading with the level on a levelling staff is called sight
(B) A back sight is the first sight taken after setting up the instrument in any position
(C) The first sight on each change point is a fore sight
(D) All the above
Answer: Option D
Question No. 06 The lens equation 1/f = 1/ + 1/ is applicable
(A) When the thickness of the lens is small
(B) Only to conjugate distances along the principal axis
(C) The computed quantities are accurate enough for geometrical optics of simple distances
(D) All the above
Answer: Option D
Question No. 07 For true difference in elevations between two points and , the level must be set up
(A) At any point between A and B
(B) At the exact midpoint of A and B
(C) Near the point A
(D) Near the point B
Answer: Option B
Question No. 08 Pick up the correct statement from the following:
(A) The diaphragm is placed between eyepiece and the objective but nearer to the former
(B) The diaphragm is placed between the eyepiece and objective but nearer to the later
(C) The outer component of the objective is a double-convex lens of crown glass
(D) All the above
Answer: Option D
Question No. 09 If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is
(A) 1°43' 08"
(B) 1°43' 18"
(C) 1°43' 28"
(D) 1°43' 38"
Answer: Option C
Question No. 10 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: Option C
Question No. 11 Pick up the correct statement from the following:
(A) If the slope of the curve of a mass diagram in the direction of increasing abscissa is downward, it indicates an embankment
(B) The vertical distance between a maximum ordinate and the next forward maximum ordinate represents the whole volume of the embankment
(C) The vertical distance between a minimum ordinate and the next forward maximum ordinate represents the whole volume of a cutting
(D) All the above
Answer: Option D
Question No. 12 If the whole circle bearing of a line is 270°, its reduced bearing is
(A) N 90° W
(B) S 90° W
(C) W 90°
(D) 90° W
Answer: Option C
Question No. 13 The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known
(A) Levelling
(B) Centering
(C) Orientation
(D) Setting
Answer: Option C
Question No. 14 If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on
(A) Staff normal
(B) Staff vertical
(C) Staff normal as well as vertical
(D) None of these
Answer: Option A
Question No. 15 Pick up the correct statement from the following
(A) The contour lines having the same elevation cannot unite and continue as one line
(B) A contour can not end abruptly, but must ultimately close itself not necessarily within the limits of map
(C) The direction of steepest slope at a point on a contour is at right angles to the contour
(D) All the above
Answer: Option D
Question No. 16 An imaginary line joining the points of equal elevation on the surface of the earth, represents
(A) Contour surface
(B) Contour gradient
(C) Contour line
(D) Level line
Answer: Option C
Surveying objective Question - 01
Question No. 17 To orient a plane table at a point with two inaccessible points, the method generally adopted, is
(A) Intersection
(B) Resection
(C) Radiation
(D) Two point problem
Answer: Option D
Question No. 18 In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
(A) Adding 180°, if the given bearing is less than 180°
(B) Subtracting 180°, if the given bearing, is more than 180°
(C) Changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
(D) None of these
Answer: Option C
Question No. 19 Pick up the correct statement from the following:
(A) The apparent error on reversal is twice the actual error
(B) The correction may be made equal to half the observed discrepancy
(C) The good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results
(D) All the above
Answer: Option D
Question No. 20 Which of the following methods of plane table surveying is used to locate the position of an inaccessible point?
(A) Radiation
(B) Intersection
(C) Traversing
(D) Resection
Answer: Option B
Question No. 21 Imaginary line passing through points having equal magnetic declination is termed as
(A) Isogon
(B) Agonic line
(C) Isoclinic line
(D) None of these
Answer: Option A
Question No. 22 The main plate of a transit is divided into 1080 equal divisions. 60 divisions of the Vernier coincide exactly with 59 divisions of the main plate. The transit can read angles accurate upto
(A) 5"
(B) 10"
(C) 15"
(D) 20"
Answer: Option D
Question No. 23 If D is the degree of the curve of radius R, the exact length of its specified chord, is
(A) Radius of the curve × sine of half the degree
(B) Diameter of the curve × sine of half the degree
(C) Diameter of the curve × cosine of half the degree
(D) Diameter of the curve × tangent of half the degree
Answer: Option B
Question No. 24 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: Option C
Question No. 25 Magnetic declination at any place
(A) Remains constant
(B) Does not remain constant
(C) Fluctuates
(D) Changes abruptly
Answer: Option B
Question No. 26 l, the required slope correction is
(A) 2l cos2
(B) 2l sin2
(C) l tan2
(D) l cos2
Answer: Option B
Question No. 27 The combined effect of curvature and refraction over a distance kilometres is
(A) 67.2 L2 mm
(B) 76.3 L2 mm
(C) 64.5 L2 mm
(D) None of these
Answer: Option A
Question No. 28 Ranging is an operation of
(A) Reconnaissance
(B) Judging the distance
(C) Determination of slope
(D) Establishing intermediate points between terminals
Answer: Option D
Question No. 29 Locating the position of a plane table station with reference to three known points, is known as
(A) Intersection method
(B) Radiation method
(C) Resection method
(D) Three point problem
Answer: Option D
Question No. 30 Intersection method of detailed plotting is most suitable for
(A) Forests
(B) Urban areas
(C) Hilly areas
(D) Plains
Answer: Option C
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