Question is ⇒ If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to, Options are ⇒ (A) d, (B) 1/d, (C) d2, (D) 1/d2, (E) , Leave your comments or Download question paper.

Question is ⇒ If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to, Options are ⇒ (A) d, (B) 1/d, (C) d2, (D) 1/d2, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to
A.	d [Wrong Answer]
B.	1/d [Wrong Answer]
C.	d2 [Correct Answer]
D.	1/d2 [Wrong Answer]
View Answer 26 -3 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ Offsets 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.
14.14
28.28 m
200 m
none of these.

⇒ The accuracy of measurement in chain surveying, does not depend upon.
length of the offset
scale of the plotting
importance of the features
general layout of the chain lines.

⇒ If 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.
R/10
R/15
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R/25.

⇒ The principle of working of an optical square is based upon
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Double refraction
Double reflection

⇒ Transition curves are introduced at either end of a circular curve, to obtain.
gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve
gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
none of these.

⇒ Different grades are joined together by a
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from whole to the part
from higher level to the lower level
from lower level to higher level.

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a refracting telescope consists optically of two lenses
the principal axes of both the lenses coincide the optical axis of the telescope
the lens nearer the object to be viewed is convex and is called objective
all the above.

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alcohol or chloroform
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⇒ The first reading from a level station is.
foresight
intermediate sight
back-sight
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-0.11 m
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the rotation axis is vertical
the trummion axis is horizontal
the line of collimation is perpendicular to vertical axis
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converge from the north pole to the south pole
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