When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is

Related MCQs

• The correction to be applied to each 30 m chain for a line measured along a slope of ? is
• The length of survey line measured with a 20 m chain was found to be 327 m. If the chain was 3cm too long. Calculate the true length of the line.
• The correction to the measured length will be negative when the chain is held on the ground sloping upwards.
• When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be
• When the length of chain used in measuring distance is shorter than the standard length, the error in measured distance will be compensating error.
• Correction required for curvature for a distance of 1500 m is….
• Correction required for refraction for a distance of 10 km is….
• The difference is length between the arc and the subtended chord on the surface of the earth for a distance of 18.2 km is only
• The method of levelling in which the heights of mountains are found by observing the temperature at which water boils is known as
• It is required to find the difference in elevation between two points A and B. During levelling, it is found that the staff reading at B is more than the staff reading at A. It indicates that the point A is