Q.1
Select the correct statement.
Q.2
Select the correct statement.
Q.3
If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be
Q.4
The process of turning the telescope about the vertical axis in horizontal plane is known as
Q.5
For mapping any country
Q.6
The angle between the prolongation of the preceding line and the forward line of a traverse is called
Q.7
To avoid large centering error with very short legs, observations are generally made
Q.8
For which of the following permanent adjustments of theodolite, the spire test is used ?
Q.9
The station where observations are not made, but the angles at the station are used in triangulation series, is known as
Q.10
The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is
Q.11
The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as
Q.12
For a line AB
Q.13
Pick up the incorrect statement from the following. The angular distance of heavenly bodies on observer's meridian measured from the pole, is
Q.14
Detailed plotting is generally done by
Q.15
The angle between the direction of star and the direction of earth's axis of rotation is called
Q.16
For a well-conditioned triangle, no angle should be less than
Q.17
If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be
Q.18
Pick up the incorrect statement from the following. In a spherical triangle
Q.19
Select the incorrect statement.
Q.20
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
Q.21
Dumpy level is most suitable when
Q.22
In the prismatic compass
Q.23
If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is
Q.24
The station pointer is generally used in
Q.25
Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?
Q.26
Pick up the correct statement from the following:
Q.27
Pick up the incorrect statement from the following:
Q.28
The cross hairs in the surveying telescope are placed
Q.29
The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
Q.30
The negative sign is assigned to
Q.31
The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is
Q.32
The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
Q.33
Check lines (or proof lines) in Chain Surveying, are essentially required
Q.34
A negative declination shows that the magnetic meridian is to the
Q.35
The graduations in prismatic compass
i) are inverted
ii) are upright
iii) run clockwise having 0° at south
iv) run clockwise having 0° at north
The correct answer is
Q.36
The correction for sag is
Q.37
The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as
Q.38
A plate parallel is the line on the plane of the negative
Q.39
At eastern elongation, the pole star moves
Q.40
The smaller horizontal angle between the true meridian and a survey line, is known
Q.41
If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is
Q.42
The difference in longitude of two places expressed in time is equal to the difference in their
Q.43
‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is
Q.44
Which of the following errors can be neutralised by setting the level midway between the two stations ?
Q.45
The rise and fall method
Q.46
A telescope is said to be inverted if its
Q.47
The latitude of the observer's position, is
Q.48
If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
Q.49
At the first point of Aeries, the sun moves
Q.50
Which of the following is not used in measuring perpendicular offsets ?
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