If the applied tension to the tape is more than the standard, the tension correction is positive
If the applied tension to the tape is less than the standard, the tension correction is negative
If the temperature during measurement is greater than the standard temperature, the temperature correction is positive
All the above
D. All the above
Hour angle
Azimuth
Right ascension
Declination
Refraction correction is zero when the celestial body is in the zenith
Refraction correction is 33' when the celestial body is on the horizon
Refraction correction of celestial bodies depends upon their altitudes
All the above
H. f
H/f
f/H
H + f
22° 30'
23° 27'
23° 30'
24° 0'
θ = z + δ
θ = δ - z
θ = 180° - (z + δ)
θ = (z + δ) - 180°
Parallel to the principal line
Perpendicular to the principal line
Along the bisector of the angle between the principal line and a perpendicular line through principal plane
None of these
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
S - 90°
S - 180°
S - 270°
S - 360°
The east point of the horizon
The west point of the horizon
The zenith point of the observer
All the above
If the applied tension to the tape is more than the standard, the tension correction is positive
If the applied tension to the tape is less than the standard, the tension correction is negative
If the temperature during measurement is greater than the standard temperature, the temperature correction is positive
All the above
Elevation of the elevated pole
Declination of the observer's zenith
Angular distance along the observer's meridian between equator and the observer
All the above
Vernal equinox
Autumnal equinox
Summer solstice
Winter solstice
i = v. t. H/f
i = v. f/t. H
i = v. t. (f/H)
i = t. H/v. f
At east elongation
At upper culmination
At west elongation
At lower culmination
Increases as the horizontal distance increases from the principal point
Increases as the ground elevation increases
Decreases as the flying height increases
All the above
Isocenter
Principal point
Perspective centre
Plumb line
In truly vertical photographs without relief angles are true at the plumb point
In tilted photographs without relief, angles are true at the iso-centre
In tilled photographs with relief, angles are true at the principal point
None of these
Eastward
Westward
Northward
Southward
4.4 mm
5.5 mm
6.5 mm
7.5 mm
At culmination
At elongation
Neither at culmination nor at elongation
Either at culmination or at elongation
Zenith
Celestial point
Nadir
Pole
0.01 second
0.001 second
0.0001 second
None of these
0.50 sq km
0.56 sq km
0.60 sq km
0.64 sq km
Northward
Southward
From south to north of the equator
From north to south of the equator
Visible horizon
Sensible horizon
Celestial horizon
True horizon
North pole
Pole star
Celestial pole
All the above
50 %
60 %
70 %
75 %
29 days
29.35 days
29.53 days
30 days
Every angle is less than two right angles
Sum of the three angles is equal to two right angles
Sum of the three angles less than six right angles and greater than two right angles
Sum of any two sides is greater than the third
Mean sun
True sun
Vernal equinox
All the above