For setting out a simple curve, using two theodolites. 

(A) Offsets from tangents are required 

(B) Offsets from chord produced are required 

(C) Offsets from long chord are required 

(D) None of these 

1 Answer

Answer :

(C) R/20

Related questions

Description : For setting out a simple curve, using two theodolites.  (A) Offsets from tangents are required  (B) Offsets from chord produced are required  (C) Offsets from long chord are required  (D) None of these 

Last Answer : (D) None of these 

Description : 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.  (A) R/10  (B) R/15  (C) R/20  (D) R/25 

Last Answer : (C) R/20 

Description : Explain the procedure of curve setting by method of offsets from long chord

Last Answer : Procedure: 1. Divide the long chord into an even number of equal parts say 8,10,12 etc. 2. Set out the offset as calculated from the formula  and obtain the required points on the ... ED, the offset for the right half of the curve will be the same as those on the left half side. 

Description : If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is  taken  (A) 15 m  (B) 20 m  (C) 25 m  (D) 30 m

Last Answer : (D) 30 m

Description : Describe the method of setting out simple curve by using the method of offset from long chord with sketch. 

Last Answer : Given data: Direction of two straights, chainage of point of intersection, radius of curve. Procedure:  1) Set theodolite over B and measure deflection angle Ф  2) Calculate tangent length by ... equal to tangent length.  4) Divide long chord into even number of equal parts.     

Description : The locus of points of intersection of the tangents to `x^(2)+y^(2)=a^(2)` at the extremeties of a chord of circle `x^(2)+y^(2)=a^(2)` which touches t

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Description : If `x=9` is the chord of contact of the hyperbola `x^2-y^2=9` then the equation of the corresponding pair of tangents is (A) `9x^2-8y^2+18x-9=0` (B) `

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Description : If is the length of a sub-chord and is the radius of simple curve, the angle of deflection  between its tangent and sub-chord, in minutes, is equal to  (A) 573 S/R (B) 573 R/S (C) 1718.9 R/S (D) 1718.9 S/R

Last Answer : (D) 1718.9 S/R

Description : The radius of a simple circular curve is 300 m and length of its specified chord is 30 m. The degree of the curve is (A) 5.73° (B) 5.37° (C) 3.57° (D) 3.75°

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Description : Setting out of Lemniscate transition curves, is done with (A) Perpendicular offsets (B) Radial offsets (C) Deflection angles (D) Polar deflection angles

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Description : Curves in the same direction separated by short tangents, are called (A) Simple circular curves (B) Compound curves (C) Transition curves (D) Broken-back curves

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Description : If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is (A) 30° (B) 60° (C) 90° (D) 120°

Last Answer : D

Description : The angle of intersection of a curve is the angle between (A) Back tangent and forward tangent (B) Prolongation of back tangent and forward tangent (C) Forward tangent and long chord (D) Back tangent and long chord

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Description : The theodolites used for making tacheometric observations by optical wedge system, are (A) Provided with stadia hairs in front of eye piece (B) Not provided with stadia hairs at all (C) Fitted with a glass wedge inside the telescope (D) Fitted with a glass wedge in front of telescope

Last Answer : (D) Fitted with a glass wedge in front of telescope

Description : 26. The points of contact of the tangents drawn from the origin to the curve y=sinx, lie on the curve

Last Answer : 26. The points of contact of the tangents drawn from the origin to the curve y=sinx, lie on the curve A. `x^(2) ... x^(2)=x^(2)y^(2)` D. None of these

Description : Prove that the curve `y^2=4x and x^2 +y^2 - 6x +1=0` touches each other at thepoint `(1, 2),` find the equation of the common tangents.

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Description : Find the equation of tangent of the curve `9x^(2)+16y^(2) = 144` at those points at which tangents are parallel to (i) X-axis, (ii) Y-axis.

Last Answer : Find the equation of tangent of the curve `9x^(2)+16y^(2) = 144` at those points at which tangents are parallel to (i) X-axis, (ii) Y-axis.

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Description : Check lines (or proof lines) in Chain Surveying, are essentially required (A) To plot the chain lines (B) To plot the offsets (C) To indicate the accuracy of the survey work (D) To increase the out-turn

Last Answer : (C) To indicate the accuracy of the survey work

Description : State four instruments used for setting offsets.

Last Answer : i) Instruments used for setting offsets: 1)Chain 2)Tape 3) Open & French Cross Staff 4) Circular & Indian Optical Square  ii) Principle of optical square: The angle between the first incident ray and the last reflected ray is twice to that of angle between two mirrors in optical square.

Description : Designation of a curve is made by:  (A) Angle subtended by a chord of any length  (B) Angle subtended by an arc of specified length  (C) Radius of the curve  (D) Curvature of the curve 

Last Answer : (C) Radius of the curve 

Description : For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is (A) 0°25'.95 (B) 0°35'.95 (C) 1°25'.53 (D) 2°51'.53

Last Answer : (D) 2°51'.53

Description : If D is the degree of the curve of radius R, the exact length of its specified chord, is (A) Radius of the curve sine of half the degree (B) Diameter of the curve sine of half the ... Diameter of the curve cosine of half the degree (D) Diameter of the curve tangent of half the degree

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Description : Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by (A) Degree of the curve (B) Square of the degree of the curve (C) Inverse of the degree of the curve (D) None of these

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Description : The chord of a curve less than peg interval, is known as (A) Small chord (B) Sub-chord (C) Normal chord (D) Short chord

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Description : State the meaning of degree of curve and long chord.

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Description : In chain surveying tie lines are primarily provided  (A) To check the accuracy of the survey  (B) To take offsets for detail survey  (C) To avoid long offsets from chain lines  (D) To increase the number of chain lines 

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Description : 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 ... should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

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Description : Short offsets are measured with (A) An ordinary chain (B) An invar tape (C) A metallic tape (D) A steel tape

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Description : If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping (A) It is possible to set offsets correctly on east side (B) It is possible to ... possible to set offsets correctly on west side (D) It is possible to set offsets correctly on both sides

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Description : Setting out a curve by two theodolite method, involves (A) Linear measurements only (B) Angular measurements only (C) Both linear and angular measurements (D) None of these

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