Q.1
If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is
Q.2
The stereo plotting instruments are generally manufactured on the principle of
Q.3
The true and mean suns occupy the same meridian at the same time on
Q.4
The horizontal angle between the true meridian and magnetic meridian at a place is called
Q.5
Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.
Q.6
Refraction correction
Q.7
The number of horizontal cross wires in a stadia diaphragm is
Q.8
The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
Q.9
The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between
Q.10
The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is
Q.11
With the rise of temperature, the sensitivity of a bubble tube
Q.12
Direct method of contouring is
Q.13
If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is
Q.14
The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as
Q.15
In a spherical triangle ABC right angled at C, sin b equals to
Q.16
Agate cap is fitted with a
Q.17
International Date Line is located along
Q.18
The length of a chain is measured from
Q.19
The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is
Q.20
In an internal focussing type of telescope, the lens provided is
Q.21
The correction applied to the measured base of length ‘L’ is
Q.22
The shortest distance between two places measured along the surface of the earth, is
Q.23
Longitude of a place is the angular distance between the meridian of the place and
Q.24
The nautical mile is the length of
Q.25
If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be
Q.26
Which of the following is not the function of levelling head ?
Q.27
Local attraction in compass surveying may exist due to
Q.28
A Nautical mile is
Q.29
Three point problem can be solved by
Q.30
The zenith is the point on the celestial sphere
Q.31
From the principal point the horizon point lies on the principal line at a distance of
Q.32
If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is
Q.33
To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is
Q.34
The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is
Q.35
The allowable length of an offset depends upon the
Q.36
The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
Q.37
If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be
Q.38
Which of the following methods of contouring is most suitable for a hilly terrain?
Q.39
Overturning of vehicles on a curve can be avoided by using
Q.40
The error due to eccentricity of inner and outer axes can be eliminated by
Q.41
The Polaris remains below horizon at
Q.42
The correction for parallax, is
Q.43
The Polaris describes a small circle round the pole whose radius is approximately
Q.44
Sensitiveness of a level tube is designated by
Q.45
On vertical photographs, height displacement is
Q.46
The First Point of Aeries
Q.47
The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
Q.48
The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
Q.49
The size of a plane table is
Q.50
The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is
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