Surveying An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as contour line contour interval contour gradient horizontal equivalent contour line contour interval contour gradient horizontal equivalent ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals cot A tan a tan a cot A cos a sin A sin a cos A cot A tan a tan a cot A cos a sin A sin a cos A ANSWER DOWNLOAD EXAMIANS APP
Surveying In the double application of principle of reversion, the apparent error is two times the true error equal to true error half the true error four times the true error two times the true error equal to true error half the true error four times the true error ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by tan z = sec φ . cos δ cos z = sec φ . cos δ sin z = sec φ . cos δ None of these tan z = sec φ . cos δ cos z = sec φ . cos δ sin z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is Declination and right ascension system Declination and altitude system Altitude and azimuth system Declination and hour angle system Declination and right ascension system Declination and altitude system Altitude and azimuth system Declination and hour angle system ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is Positive for points above datum Zero for points vertically below the air station All listed here Negative for points below datum Positive for points above datum Zero for points vertically below the air station All listed here Negative for points below datum ANSWER DOWNLOAD EXAMIANS APP
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