Q.1
For a tacheometer the additive and multi-plying constants are respectively
Q.2
If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is
Q.3
The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
Q.4
Triangulation surveys are carried out for locating
Q.5
The type of surveying which requires least office work is
Q.6
During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is
Q.7
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be
Q.8
Theodolite is an instrument used for
Q.9
Systematic errors
Q.10
In a spherical triangle ABC, right angled at C, sin b equals
Q.11
If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated
Q.12
The position of a heavenly body on the celestial sphere can be completely specified by
Q.13
For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
Q.14
If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to
Q.15
Subtense bar is an instrument used for
Q.16
Cross staff is an instrument used for
Q.17
Pick up the correct statement from the following:
Q.18
Pick up the correct statement from the following:
Q.19
Sidereal day
Q.20
In a tropical year, the numbers of sidereal days are
Q.21
If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to
Q.22
A star in northern sphere is said to transit
Q.23
In field astronomy, the quantities observed are entirely
Q.24
The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is
Q.25
Spring tides are caused when
Q.26
The height displacement on a vertical photograph
Q.27
The chord of a curve less than peg interval, is known as
Q.28
The angle between the axis of earth and the vertical at the station of observation is called
Q.29
In a tropical year, the numbers of sidereal days are
Q.30
The point on the celestial sphere vertically below the observer's position, is called
Q.31
The main object of the astronomer to obtain
Q.32
Stellar astronomy deals with
Q.33
The line of collimation method of reduction of levels, does not provide a check on
Q.34
Normal tension is that pull which
Q.35
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
Q.36
For accurate work, the steel band should always be used in preference to chain because the steel band
Q.37
Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year
Q.38
The time interval between successive transits of the moon, is
Q.39
Pick up the correct statement from the following:
Q.40
Pick up the correct statement from the following:
Q.41
The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called
Q.42
Transit rule of adjusting the consecutive coordinates of a traverse is used where
Q.43
The moon rotates round the earth once in every
Q.44
The permissible error in chaining for measurement with chain on rough or hilly ground is
Q.45
The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as
Q.46
The resection by two point problem as compared to three point problem
Q.47
The angular distance of a heavenly body from the equator, measured along its meridian, is called
Q.48
Triangulation surveys are carried out for providing
Q.49
The point at which sun's declination changes from north to south, is known as
Q.50
Contour interval is
0 h : 0 m : 1 s