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An orifice is taken as large if
To avoid the force of surface tension in an inclined manometer, the minimum angle of inclination is 4°
To avoid the force of surface tension in an inclined manometer, the minimum angle of inclination is 4°
See lessIf the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.
In a simple curve, the maximum length of the chord for calculating offsets is determined by the formula L = 2R, where L is the chord length and R is the radius of the curve. In this case, the radius is given as 600 m. Therefore, the maximum length of the chord (L) is 2 times the radius, which is 2 *Read more
In a simple curve, the maximum length of the chord for calculating offsets is determined by the formula L = 2R, where L is the chord length and R is the radius of the curve. In this case, the radius is given as 600 m. Therefore, the maximum length of the chord (L) is 2 times the radius, which is 2 * 600 m = 1200 m.
See lessFor the construction of highway (or railway)
For the construction of a highway or railway, it's necessary to understand both the horizontal and vertical alignment of the proposed route. This includes the layout, elevation changes, and terrain details.
For the construction of a highway or railway, it’s necessary to understand both the horizontal and vertical alignment of the proposed route. This includes the layout, elevation changes, and terrain details.
See lessThe main principle of surveying is to work
Define Most Probable Error. The most probable error is defined as that quantity which added to, and subtracted from, the most probable value fixes the limits within which it is an even chance the true value of the measured quantity must lie.
Define Most Probable Error. The most probable error is defined as that quantity which added to, and subtracted from, the most probable value fixes the limits within which it is an even chance the true value of the measured quantity must lie.
See lessThe slope correction for a length of 30 m along a gradient of 1 in 20, is
Therefore, the slope correction for a length of 30 m along a gradient of 1 in 20 is 3.75 cm.
Therefore, the slope correction for a length of 30 m along a gradient of 1 in 20 is 3.75 cm.
See lessFor a closed traverse the omitted measurements may be calculated
If the length and/or bearing of any side of a closed traverse gets omitted, that can be computed analytically by applying. where (X1 ,Y1) and (Xn ,Yn) are the independent coordinates of initial and terminating control stations.
If the length and/or bearing of any side of a closed traverse gets omitted, that can be computed analytically by applying. where (X1 ,Y1) and (Xn ,Yn) are the independent coordinates of initial and terminating control stations.
See lessThe difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to
Therefore, the correct answer is (B) Twice the distance between the zero of graduation and the foot of the staff, as this will lead to an accumulated error equal to twice the initial misalignment when summing the two staff readings.
Therefore, the correct answer is (B) Twice the distance between the zero of graduation and the foot of the staff, as this will lead to an accumulated error equal to twice the initial misalignment when summing the two staff readings.
See lessThe probable error of the adjusted bearing at the middle is
Define Most Probable Error. The most probable error is defined as that quantity which added to, and subtracted from, the most probable value fixes the limits within which it is an even chance the true value of the measured quantity must lie.
Define Most Probable Error. The most probable error is defined as that quantity which added to, and subtracted from, the most probable value fixes the limits within which it is an even chance the true value of the measured quantity must lie.
See lessThe bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is
Answer. = (180+146.5)-(68.5) = 258 which is exterior angle. Hence interior angle = 360-258 = 102.
Answer. = (180+146.5)-(68.5) = 258 which is exterior angle. Hence interior angle = 360-258 = 102.
See lessOffsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to
Considering the linear measurement accuracy and angular error, the maximum length of offset where both sources of error combined do not exceed the tolerance is 14.14 m, which corresponds to option (A) 14.14 m.
Considering the linear measurement accuracy and angular error, the maximum length of offset where both sources of error combined do not exceed the tolerance is 14.14 m, which corresponds to option (A) 14.14 m.
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