Question is ⇒ Determining the difference in elevation between two points on the surface of the earth, is known as., Options are ⇒ (A) levelling, (B) simple levelling, (C) differential levelling, (D) longitudinal levelling., (E) , Leave your comments or Download question paper.

Question is ⇒ Determining the difference in elevation between two points on the surface of the earth, is known as., Options are ⇒ (A) levelling, (B) simple levelling, (C) differential levelling, (D) longitudinal levelling., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Determining the difference in elevation between two points on the surface of the earth, is known as.
A.	levelling [Wrong Answer]
B.	simple levelling [Wrong Answer]
C.	differential levelling [Correct Answer]
D.	longitudinal levelling. [Wrong Answer]
View Answer 16 -5 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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⇒ In horizontal angles, the error due to imperfect levelling of the plate bubble is.
large when sights are nearly level
large for long sights
less for steeply inclined sights
large for steeply inclined sights.

⇒ Pick up the correct statement from the following :
mistakes arise from inattention, inexperience or carelessness
systematic errors persist and have regular effects in the survey performances
accidental errors occur inspite of every precaution is taken
all the above.

⇒ Principle of surveying followed to prevent accumulation of errors is
To work from whole to the part
To work from part to whole
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None of the above

⇒ The angle of intersection of a curve is the angle between.
back tangent and forward tangent
prolongation of back tangent and forward tangent
forward tangent and long chord
back tangent and long chord.

⇒ The curve composed of two arcs of different radii having their centres on the opposite side of the curve, is known.
a simple curve
a compound curve
a reverse curve
a vertical curve.

⇒ Ranging is an operation of.
reconnaissance
judging the distance
determination of slope
establishing intermediate points between terminals.

⇒ Resolving power of a telescope depends on.
the diameter of the aperture
the pupil aperture of the eye
the diameter of the object glass
all the above.

⇒ The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known.
levelling
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⇒ Cross-staff is used for.
setting out right angles
measuring contour gradient
taking levels
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sum of the smallest divisions of main and vernier scales
value of one division of the primary scale divided by total number of divisions of vernier scale
value of one division of vernier scale divided by total number of divisions of primary scale
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⇒ Centering error of a theodolite produces an error.
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0Â°
90Â°
180Â°
360Â°

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every point of the bubble
either end of the bubble
the mid-point of the bubble
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-0.11 m
-0.11 m
-1.87 m
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502.685 m
501.345 m
501.340 m
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⇒ The horizontal angle between the true meridian and magnetic meridian at a place is called
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local attraction
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south of the reference parallel
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⇒ If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to.
573 S/R
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171.9 S/R
1718.9 S/R.

⇒ Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by.
degree of the curve
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inverse of the degree of the curve
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hillock
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0-01 d²m
0-001 d²m
0.01122 d²m
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Bar magnets
Electro-magnets
Magnetic compass
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traverse leg
a base
traverse base
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50 cm
75 cm
125 cm

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the telescope axis is perpendicular to transit axis
the axis of rotation is perpendicular to transit axis
the telescope axis, the transit axis and the rotation axis pass through the centre of theodolite
all the above.

⇒ The angle of intersection of a contour and a ridge line, is.
30Â°
45Â°
60Â°
90Â°.

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adding 180Â°, if the given bearing is less than 180Â°
subtracting 180Â°, if the given bearing, is more than 180Â°
changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
none of these.