Planimetric control
Height control
Both planimetric and height control
None of these
C. Both planimetric and height control
One degree of longitude has greatest value at the equator
One degree of longitude has greatest value at the poles
One degree of longitude has the same value everywhere
One degree of latitude decreases from the equator to the poles
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
Greater than the longitude of the place
Less than the latitude of the place
Equal to the latitude of the place
None of these
Standard meridian
Greenwich meridian
Equator
180° longitude
Eastward
Westward
Northward
Southward
Equator
Terrestrial equator
0° latitude
All the above
10° N
50° N Latitude
Equator
5° S latitude
Centre of the celestial sphere is taken as the position of the observer
Centre of the celestial sphere is taken as the centre of the earth
Stars move and maintain their relative positions
All the above
fB/(H - h)
fB/(H - h)2
fB/(H + h)
fB/(H + h)2
Reduction to mean sea level
Correction for horizontal alignment
Correction for slope
All the above
At culmination
At elongation
Neither at culmination nor at elongation
Either at culmination or at elongation
When its altitude is maximum
When its azimuth is 180°
When it is in south
All the above
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
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
Isocenter
Principal point
Perspective centre
Plumb line
0.01 second
0.001 second
0.0001 second
None of these
A great circle passing through the place and the poles
A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
A semi-circle which passes through the place and is terminated at the poles
An arc of the great circle which passes through the place and is perpendicular to the equator
58 mm
60 mm
62 mm
64 mm
The area is divided into triangular figures
Control stations are located from which detailed surveys are carried out
Sides are not measured excepting the base line
All the above
4000 m
5000 m
6000 m
7000 m
Ground elevation
Flying height
Length of air base
All the above
sin λ
cos λ
tan λ
cot λ
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
Mean sun
First point of Aries
First point of Libra
The polar star
f sin θ
f cos θ
f tan θ
f sec θ
Rational horizon
True horizon
Celestial horizon
All the above
Mean sun
True sun
Vernal equinox
All the above
Declination must be 0°
Declination must be 90°
Distance from the pole must be less than the latitude of the observer
Hour angle must be 180°
One less than mean solar days
One more than mean solar days
Equal to mean solar days
None of these
1 minute of latitude
1 minute of longitude
1 degree of latitude
1 degree of longitude