Surveying Questions Set 28:
How many different meridians are used in surveying?
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The minimum number of satellites needed for a GPS to determine its position precisely is
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The number of spectral bands in the enhanced thematic mapper sensor on the Landsat-7 remote sensing satellite
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A circular curve has a radius of 150 m and a deviation angle of 95°. Calculate the length of the long chord.
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A circular curve of radius R connects two straights with a deflection angle of 60o. The tangent length is
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The whole circle bearings of line OA and OB are 18°15’ and 335°45’ respectively. What is the value of included angle AOB?
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A photogrammetric survey is to be conducted over an area of 300 km2. The scale of the survey is 1:8000, and the format of the photographs is 200 x 200 mm. Assume a longitudinal overlap of 50% and a side overlap of 20%. Calculate the number of photographs required.
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What is the correct sequence for the temporary adjustment of a theodolite?
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A surveyor measured the distance between two points marked on the plan drawn to a scale of 1 cm = 1 m (Representative fraction = 1:100) and found it to be 180 m. Later he detected that he used a wrong scale 1cm = 0.90 m (Representative fraction = 1:90) for the measurement. The correct length is
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In levelling of a continuously sloping ground, 4 points (A, B, C and D) reading without any obstruction were taken with a dumpy level and a 4 m levelling staff at 30 m intervals. The readings of points A, B, C and D are 0.680 m, 1.455 m, 1.855 m and 2.330 m respectively. The Reduced level of D point was 79.100 m. The reduced Level of the point A is:
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