Q. With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be

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Q. A star is said to elongate

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Q. 23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents

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Q. A plate parallel is the line on the plane of the negative

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Q. The great circle which passes through the zenith, nadir and the poles, is known as

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Q. In triangulation surveys

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Q. When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is

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Q. The distance between the minor control point and the principal point should be equal to

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Q. The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

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Q. The Polaris describes a small circle round the pole whose radius is approximately

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Q. The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called

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Q. Sidereal day

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Q. Pick up the correct statement for horizontal photographs.

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Q. If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is

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Q. The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as

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Q. In a truly vertical photograph,

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Q. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is

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Q. The true and mean suns occupy the same meridian at the same time on

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Q. The prime vertical passes through

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Q. Pick up the correct statement from the following :

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