Surveying The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be as far as possible from the line AB closer to the lower station closer to the higher station equidistant from A and B as far as possible from the line AB closer to the lower station closer to the higher station equidistant from A and B ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 90° 45° 60° 30° 90° 45° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following angles can be set out with the help of French cross staff? 45° only 90° only any angle either 45° or 90° 45° only 90° only any angle either 45° or 90° ANSWER DOWNLOAD EXAMIANS APP
Surveying If the distance between the projectors is altered by a movement along X-axis of one projector, y-parallax is not affected The length of the air base is increased The scale of the model is altered All listed here y-parallax is not affected The length of the air base is increased The scale of the model is altered All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as Observation equation Conditional equation None of these Normal equation Observation equation Conditional equation None of these Normal equation ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by None of these sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
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