In resources levelling (A) Total duration of project is reduced (B) Total duration of project is increased (C) Uniform demand of resources is achieved (D) Cost of project is controlled

In resources levelling
(A) Total duration of project is reduced
(B) Total duration of project is increased
(C) Uniform demand of resources is achieved
(D) Cost of project is controlled
by

1 Answer

Answer :

C
by

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Probable accidental error in precise levelling as recommended by International Geodetic Association should not exceed (where k is in kilometers.) (A) ± 0.1 k mm (B) ± 0.5 k mm (C) ± 1 k mm (D) ± 5 k mm

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The 10 mm markings on a levelling staff placed at 20 m are separated by (A) 1/1000 radian (B) 1/1500 radian (C) 1/2000 radian (D) 1/2500 radian

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Determining the difference in elevation between two points on the surface of the earth, is known as (A) Levelling (B) Simple levelling (C) Differential levelling (D) Longitudinal levelling

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In setting up a plane table at any station (A) Levelling is done first (B) Centering is done first (C) Both levelling and centering are done simultaneously (D) Orientation is done first

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While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

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Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed (where is in kilometers.) (A) ± 0.1 k mm (B) ± 0.2 k mm (C) ± 0.1 k (D) 0.2 k mm

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Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

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Benchmark is established by (A) Hypsometry (B) Barometric levelling (C) Spirit levelling (D) Trigonometrical levelling

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The type of surveying which requires least office work is (A) Tachometry (B) Trigonometrical levelling (C) Plane table surveying (D) Theodolite surveying

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Pick up the correct statement from the following: (A) The tangent screw enables to give small movement under conditions of smooth and positive control (B) Standing on the tripod is the levelling head or trib arch (C) The levelling screws are used to tilt the instrument so that its rotation axis is truly vertical (D) All the above

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During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

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In horizontal angles, the error due to imperfect levelling of the plate bubble is (A) Large when sights are nearly level (B) Large for long sights (C) Less for steeply inclined sights (D) Large for steeply inclined sights

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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 (A) Levelling (B) Centering (C) Orientation (D) Setting

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Last Answer : (C) Orientation

Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up the instrument in any position (C) The first sight on each change point is a fore sight (D) All the above

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Last Answer : (D) All the above

In levelling operation, (A) The first sight on any change point is a back sight (B) The second sight on any change point is a fore sight (C) The line commences with a fore sight and closes with a back sight (D) The line commences with a back sight and closes with a foresight

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Last Answer : (D) The line commences with a back sight and closes with a foresight

Which of the following statements is incorrect? (A) Error due to refraction may not be completely eliminated by reciprocal levelling (B) Tilting levels are commonly used for precision work (C) The last reading of levelling is always a foresight (D) All of the above statements are incorrect

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Last Answer : (D) All of the above statements are incorrect

In levelling operation (A) If second reading is more than first, it represents a rise (B) If first reading is more than second, it represents a rise (C) If first reading is less than second, it represents a fall (D) Both (b) and (c)

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Last Answer : (D) Both (b) and (c)

Subtense bar is an instrument used for (A) Levelling (B) Measurement of horizontal distances in plane areas (C) Measurement of horizontal distances in undulated areas (D) Measurement of angles

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In levelling operation (A) When the instrument is being shifted, the staff must not be moved (B) When the staff is being carried forward, the instrument must remain stationary (C) Both (a) and (b) (D) Neither (a) nor (b)

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After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) Centering The correct sequence of these operations is (A) (i), (ii), (iii) (B) (i), (iii), (ii) (C) (iii), (i), (ii) (D) (ii), (iii), (i)

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Last Answer : (B) (i), (iii), (ii)