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 sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is Zero for points vertically below the air station Positive for points above datum All listed here Negative for points below datum Zero for points vertically below the air station Positive for points above datum All listed here Negative for points below datum ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the latitude when it is Either at culmination or at elongation At elongation Neither at culmination nor at elongation At culmination Either at culmination or at elongation At elongation Neither at culmination nor at elongation At culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying The allowable length of an offset depends upon the All of these degree of accuracy required scale of plotting method of setting out the perpendiculars and nature of ground All of these degree of accuracy required scale of plotting method of setting out the perpendiculars and nature of ground ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 10,000 1 : 15,000 1 : 20,000 1 : 30,000 1 : 10,000 1 : 15,000 1 : 20,000 1 : 30,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is δ - θ ½ (θ - δ) θ + δ θ - δ δ - θ ½ (θ - δ) θ + δ θ - δ ANSWER DOWNLOAD EXAMIANS APP
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