Swing
Tilt
Tip
None of these
A. Swing
Is the point in the celestial sphere where zero meridian crosses the celestial equator
Is usually denoted by the Greek letter γ
Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda
All the above
10°
20°
30°
40°
B = bH/f
B =f/bH
B = b/fH
B = H/bf
By subtracting their longitudes if places are in the same hemisphere
By adding their longitudes if places are in the different hemispheres
By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
All the above
Lie on the parallel of the latitude
Are equidistant from the nearer pole
Are equidistant from both the poles
All the above
Northward
Southward
From south to north of the equator
From north to south of the equator
Greater than the longitude of the place
Less than the latitude of the place
Equal to the latitude of the place
None of these
Parallel lines do not appear parallel in central projection
The two sides of a road meet at the vanishing point
The lines parallel to the negative plane are projected as parallel lines
All the above
The star's movement is apparent due to the actual steady rotation of the earth about its axis
The stars move round in circular concentrated parts
The centre of the circular paths of stars is the celestial pole
All the above
Aerial photographs may be either vertical or oblique
Vertical photographs are taken with the axis of camera pointing vertically downward
Vertical photographs are used for most accurate maps
All the above
Swing
Tilt
Tip
None of these
The sum of the angles around a station should be 360°
The sum of the three angles of a plane triangle should be 180°
The sum of the eight angles of a braced quadrilateral should be 360°
All the above
1000 km
800 km
600 km
500 km
Satellite station
Eccentric station
False station
Pivot station
80°
70°
60°
50°
λ = α
λ = 90° - α
λ = α - 90°
λ = 180° - α
Correction for refraction is always negative
Correction for parallax is always positive
Correction for semi-diameter is always negative
Correction for dip is always negative
Principal point
Isocenter
Plumb point
Perspective centre
1 cm
2 cm
3 cm
4 cm
24 %
36 %
40 %
60 %
Normal to base line
Parallel to base line
Both (a) and (b)
Neither (a) nor (b)
Zenith
Celestial point
Nadir
Pole
24 hours 10 minutes
20 hours 25 minutes
24 hours 50 minutes
23 hours 50 minutes
Co-declination
Co-altitude
Co-latitude
Polar distance
f/H
f/(H + h)
f/(H - h)
(H - h)/f
Is the period of time taken by the earth in making a complete rotation with reference to stars
Is slightly shorter than an ordinary solar day
Is divided into the conventional hours, minutes and seconds
All the above
One minute arc of the great circle passing through two points
One minute arc of the longitude
1855.109 m
All the above
Length of the equator between their longitudes
Length of the parallel between their longitudes
Length of the arc of the great circle passing through them
None of these
One less than mean solar days
One more than mean solar days
Equal to mean solar days
None of these
sin α = sin φ cosec δ
sin α = sin φ sec δ
sin α = cos φ sec δ
sin α = cos φ cosec δ