Advance Surveying Sheet 12

1) Question.

Pick up the incorrect statement from the following.High oblique photographs
Answer.
- 1
  
  may have tilt up to $30^{}$
- 2
  
  may include the image of the horizon
- 3
  
  may not include the image of the horizon
- 4
  
  none of these
Answer: 4

Explanation:
2) Question.

Polaris is usually observed for the determination of the azimuth when it is
Answer.
- 1
  
  at culmination
- 2
  
  at elongation
- 3
  
  neither at culmination nor at elongation
- 4
  
  either at culmination or at elongation
Answer: 2

Explanation:
3) Question.

Polaris is usually observed for the determination of the latitude when it is
Answer.
- 1
  
  at culmination
- 2
  
  at elongation
- 3
  
  neither at culmination nor at elongation
- 4
  
  either at culmination or at elongation
Answer: 1

Explanation:
4) Question.

The latitude $(λ)$ of a place and the altitude $(α)$ of the pole are related by
Answer.
- 1
  
  $λ = α$
- 2
  
  $λ = 90^{0} - α$
- 3
  
  $λ = α - 90^{0}$
- 4
  
  $λ = 180^{0} - α$
Answer: 1

Explanation:
5) Question.

The latitude of a place was obtained by subtracting the declination of a star from its zenith distance,the observed star was between
Answer.
- 1
  
  horizon and equator
- 2
  
  zenith and pole
- 3
  
  equator and zenith
- 4
  
  pole and horizon
Answer: 1

Explanation:
6) Question.

The latitude of a place was obtained by subtracting the zenith distance of a star from its declination,the observed star was between
Answer.
- 1
  
  horizon and equator
- 2
  
  equator and zenith
- 3
  
  zenith and pole
- 4
  
  pole and horizon
Answer: 3

Explanation:
7) Question.

If the altitudes of a star at its upper and lower transits are $60^{0}$ 30' and $19^{0}$ 30' respectively,the latitude of the place. is
Answer.
- 1
  
  $30^{0}$
- 2
  
  $35^{0}$
- 3
  
  $40^{0}$
- 4
  
  $45^{0}$
Answer: 3

Explanation:
8) Question.

The polaris describes a small circle round the pole whose radius is approximately
Answer.
- 1
  
  $1^{0}$
- 2
  
  $2^{0}$
- 3
  
  $3^{0}$
- 4
  
  $4^{0}$
Answer: 1

Explanation:
9) Question.

Pick up the correct statement from the following: $\cdot$
Answer.
- 1
  
  Ursa Minor's remains always north of pole star
- 2
  
  Polar star remains always north of Polaris
- 3
  
  polaris remains always north of Ursa Minor's
- 4
  
  Ursa Minor's polestar and polaris are the names of the same star
Answer: 4

Explanation:
10) Question.

Pick up the in-correct statement from the following: $\cdot$
Answer.
- 1
  
  Correction for refraction is always negative
- 2
  
  Correction for parallax is always positive
- 3
  
  Correction for semi-diameter is always negative
- 4
  
  Correction for dip is always negative
Answer: 3

Explanation:

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