Q.1
The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than
Q.2
The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
Q.3
The two point problem and three point problem are methods of
Q.4
The instrument used for accurate centering in plane table survey is
Q.5
The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
Q.6
The methods used for locating the plane table stations are
i) radiation
ii) traversing
iii) intersection
iv) resection
The correct answer is
Q.7
At upper culmination, the pole star moves
Q.8
At western elongation, the pole star moves
Q.9
At lower culmination, the pole star moves
Q.10
Size of a theodolite is specified by
Q.11
If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be
Q.12
Right ascension of a heavenly body is its equatorial angular distance measured
Q.13
α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is
Q.14
The method of surveying by triangulation was first introduced by the Dutchman Snell in
Q.15
Height of instrument method of levelling is
Q.16
The slotted template method
Q.17
When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is
Q.18
Which of the following angles can be set out with the help of French cross staff?
Q.19
The rise and fall method of levelling provides a complete check on
Q.20
Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
Q.21
Pick up the correct statement from the following:
Q.22
Pick up the correct statement from the following:
Q.23
The angle between the observer's meridian and declination circle of a heavenly body, is known as
Q.24
A metallic tape is made of
Q.25
If S is the sum of three angles of a spherical triangle, the spherical excess equals
Q.26
A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is
Q.27
Longitudes are measured from 0° to
Q.28
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by
Q.29
The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by
Q.30
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:
Q.31
In direct method of contouring, the process of locating or identifying points lying on a contour is called
Q.32
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to
i) altitude bubble on index frame
ii) altitude bubble on index frame if it is to be used as a level
iii) altitude bubble on telescope
iv) altitude bubble on telescope if it is to be used as a level
The correct answer is
Q.33
The parallax of a point on the photograph is due to
Q.34
To have greatest coverage of the area, the type of photography used, is
Q.35
Which of the following errors cannot be eliminated by taking both face observations ?
Q.36
Which of the following errors can be eliminated by taking mean of bot face observations ?
Q.37
The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is
Q.38
The want of correspondence in stereo-photographs
Q.39
If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about
Q.40
The suitable contour interval for a map with scale 1 : 10000 is
Q.41
Which of the following methods of plane table surveying is used to locate the position of an inaccessible point ?
Q.42
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by
Q.43
The altitude of a circumpolar star is maximum when it is
Q.44
Rotation of the camera at exposure about its vertical axis, is known as
Q.45
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
Q.46
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?
Q.47
Horizontal distances obtained by thermometric observations
Q.48
A star may culminate at zenith if its declination is
Q.49
Perspective centre relates to
Q.50
Circumpolar stars
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