Surveying Questions Set 27:
The line drawn through the points of same declination is called
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The method of leveling used to carry out reconnaissance of area is :
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For a given traverse, the sum of latitudes is +2.1 m and the sum of departures is -2.8 m. Calculate the length of the closing error.
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What is the main principle of surveying?
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The magnetic bearing of a line AB was N 59°30'W in the year 1967, when the declination was 4°10'E. If the present declination is 3°W, the magnetic bearing in terms of WCB (West Compass Bearing) of the line is
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A surveyor measured the distance between two points on a plan drawn to a scale of 1 cm = 40 m, and the result was 468 m. Later, however, he discovered that he had used a scale of 1 cm = 20 m. What is the true distance between the points?
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A survey was made with a chain 0.5 link two short and plotted to a scale of 1 cm = 300m. the plan now found to have shrunk so that a line originally 6 cm long was found 5.4 cm. If the area of the plan was measured and is 24.5 sq. cm. find the true area of the survey.
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An invar tape, 50 m in length, standardized at 20˚c temperature and a pull of 10 kg is given. This used to measure a baseline. The correction per tape length, if at the time of measurement the temperature was 30˚c and the coefficient of linear expansion of the tape is found to be 1 X 10-6 per ˚c,will be:
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During a levelling work along a falling gradient using a Dumpy level and a staff of 3m length, following successive readings were taken: 1.785, 2.935, 0.360, and 1.320. What will be the correct order of booking these four readings in a level book? (BS: Back sight, IS: Intermediate sight, FS: Fore sight)
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The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as
. Which one of the following statements is correct?
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