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Civil Engineering Objective Questions { Advanced Surveying }



36. The sun's declination remains north between
A. March 21 to June 21
B. June 21 to September 21
C. September 21 to December 21
D. both (a) and (b) of above.
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37. 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.
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38. The prime vertical passes through
A. the east point of the horizon
B. the west point of the horizon
C. the zenith point of the observer
D. all the above.
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39. The latitude of the observer's position, is
A. elevation of the elevated pole
B. declination of the observer's zenith
C. angular distance along the observer's meridian between equator and the observer
D. all the above.
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40. 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.
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41. The angular distance of a heavenly body from the equator, measured along its meridian, is called
A. declination
B. altitude
C. zenith distance
D. co-latitude.
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42. The angle between the observer's meridian and declination circle of a heavenly body, is known as
A. hour angle
B. azimuth
C. right ascension
D. declination.
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