Practice Test: Question Set - 06
1. The height displacement on a vertical photograph
- (A) Increases
as the horizontal distance increases from the principal point
- (B) Increases
as the ground elevation increases
- (C) Decreases
as the flying height increases
- (D) All
the above
2. The distance between the minor control point and the principal point should be equal to
- (A) Base line of
the left photograph of stereo pair
- (B) Base line of
the right photograph of stereo pair
- (C) Sum of the
base lines of stereo pair
- (D) Mean of the
base lines of the stereo pair
3. The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is
- (A) B = bH/f
- (B) B =f/bH
- (C) B = b/fH
- (D) B = H/bf
4. The true and mean suns occupy the same meridian at the same time on
- (A) April 15
- (B) June 14
- (C) September 1
- (D) All the
above
5. Latitude of a place is the angular distance from
- (A) Greenwich to
the place
- (B) Equator to
the poles
- (C) Equator to
the nearer pole
- (D) None of
these
6. The want of correspondence in stereo-photographs
- (A) Is a good
property
- (B) Is a
function of tilt
- (C) Is not
affected by the change of flying height between photographs
- (D) Is minimum
when θ is 3°
7. The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:
- (A) Mean sun
- (B) True sun
- (C) Vernal
equinox
- (D) All the
above
8. The nautical mile is the length of
- (A) 1 minute of
latitude
- (B) 1 minute of
longitude
- (C) 1 degree of
latitude
- (D) 1 degree of
longitude
9. The necessary geometrical condition for triangulation adjustment is:
- (A) The sum of
the angles around a station should be 360°
- (B) The sum of
the three angles of a plane triangle should be 180°
- (C) The sum of
the eight angles of a braced quadrilateral should be 360°
- (D) All the
above
10. The great circle which passes through the zenith, nadir and the poles, is known as
- (A) Meridian
- (B) Vertical
circle
- (C) Prime
vertical
- (D) None of
these
11. The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as
- (A) Photo plumb
point
- (B) Plumb point
- (C) Nadir point
- (D) Isocenter
12. Stellar astronomy deals with
- (A) Plane
surveying
- (B) Geodetic
surveying
- (C) Star
observations
- (D) Planet
observations
13. The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as
- (A) Ground principal
point
- (B) Ground plumb
point
- (C) Iso-centre
- (D) Perspective
centre
14. The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
- (A) Equator
- (B) Horizon
- (C) Pole
- (D) None of
these
15. A star may culminate at zenith if its declination is
- (A) Greater than
the longitude of the place
- (B) Less than
the latitude of the place
- (C) Equal to the
latitude of the place
- (D) None of
these
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