For any star to be a circumpolar star, its declination must be 0� declination mu

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Advanced Surveying Comments

Question
For any star to be a circumpolar star, its
Options
A. declination must be 0�
B. declination must be 90�
C. distance from the pole must be less than the latitude of the observer
D. hour angle must be 180�.

Correct Answer

distance from the pole must be less than the latitude of the observer

Advanced Surveying problems

Search Results

1. The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
Options
A. altitude and azimuth system
B. declination and hour angle system
C. declination and right ascension system
D. declination and altitude system
E. azimuth and declination system.

2. The parallax equation is applicable to entire overlap of the photographs only if parallax is measured
Options
A. normal to base line
B. parallel to base line
C. both (a) and (b)
D. neither (a) nor (b).

3. Polaris is usually observed for the determination of the azimuth when it is
Options
A. at culmination
B. at elongation
C. neither at culmination nor at elongation
D. either at culmination or at elongation.

4. The equation which is obtained by multiplying each equation by the coefficient of its un-knowns and by adding the equations thus formed, is known as
Options
A. observation equation
B. conditional equation
C. normal equation
D. none of these.

6. The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as
Options
A. satellite station
B. eccentric station
C. false station
D. pivot station.

9. Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.
Options
A. by subtracting their longitudes if places are in the same hemisphere
B. by adding their longitudes if places are in the different hemispheres
C. by subtracting the sum of their longitudes exceeding 180� from 360� if places are in different hemispheres
D. all the above.

10. The height displacement on a vertical photograph
Options
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.

Comments

More in Civil Engineering: