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
D. All the above
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
30°
35°
40°
45°
f tan θ
f sin θ
f cot θ
f cos θ
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
Principal point coincides the isocenter
Iso-centre coincides the plumb point
Plumb point coincides the principal point
All the above
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
Swing
Tilt
Tip
None of these
March 21 to June 21
June 21 to September 21
September 21 to December 21
Both (a) and (b) of above
The direction of the vertical, the axis of rotation of the instrument
The direction of the poles of the celestial sphere
The direction of the star from the instrument
All the above
1 : 10,000
1 : 15,000
1 : 20,000
1 : 30,000
500 m
1000 m
1500 m
2000 m
fB/(H - h)
fB/(H - h)2
fB/(H + h)
fB/(H + h)2
The principal point coincides with plumb point on a true vertical photograph
The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point
The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley
All the above
Principal point
Isocenter
Plumb point
Perspective centre
At culmination
At elongation
Neither at culmination nor at elongation
Either at culmination or at elongation
H. f
H/f
f/H
H + f
cos H = tan λ/tan δ
sin α = sin λ/sin δ
sin A = cos δ/cos λ
All the above
Co-declination
Co-altitude
Co-latitude
Polar distance
10 km
25 km
30 km
50 km
Two angle equations and two side equations
One angle equation and three side equations
Three angle equations and one side equation
None of these
f2
2f2
3f2
½f
h/H f tan θ
h/H f² tan θ
h/H f² sin θ
h/H f cos θ
Lie on the parallel of the latitude
Are equidistant from the nearer pole
Are equidistant from both the poles
All the above
Horizon and equator
Zenith and pole
Equator and zenith
Pole and horizon
The sun's right ascension increases for 0 h to 24 h when it returns to the First point of Aries
The maximum declination of the sun increases up to 23 ½° N on about 21st June
The minimum declination of the sun is zero' on 22nd September
All the above
1 minute of latitude
1 minute of longitude
1 degree of latitude
1 degree of longitude
May have tilt up to 30°
May include the image of the horizon
May not include the image of the horizon
None of these
Once
Twice
Thrice
Four times
The angle between the plane of the negative and the horizontal plane containing perspective axis is the tilt of the photograph
The direction of maximum tilt is defined by the photo principal line
The principal plane is truly vertical plane which contains perspective centre as well as principal point and plumb point
All the above
Apparent solar time is measured from the lower transit of the true sun
Mean solar time is measured from the lower transit of the mean sun
Sidereal time is measured from the lower transit of the first point of Aries
Sidereal time is measured from the upper transit of the first point of Aries