Civil Engineering - Advanced Surveying

Exercise :: Advanced Surveying - Section 1

6. 

The shortest distance between two places measured along the surface of the earth, is

A. length of the equator between their longitudes
B. length of the parallel between their longitudes
C. length of the arc of the great circle passing through them
D. none of these.

Answer: Option C

Explanation:

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7. 

The correction for parallax, is

A. - 8".8 cos α
B. + .8" sin α
C. + 8".8 cos α
D. - 8".8 cos α.

Answer: Option C

Explanation:

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8. 

The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is

A. 22° 30'
B. 23° 27'
C. 23° 30'
D. 24° 0'.

Answer: Option B

Explanation:

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9. 

Systematic errors

A. always follow some definite mathematical law
B. can be removed by applying corrections to the observed values
C. either make the result too great or too small
D. are also known as cumulative errors
E. all the above.

Answer: Option E

Explanation:

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10. 

Perspective centre relates to

A. parallel projection
B. orthogonal projection
C. central projection
D. none of these.

Answer: Option C

Explanation:

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