Q. Setting up includes which of the following?

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Q. Parallax is a condition arising when the image formed by the object is in the plane of the cross hairs.

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Q. Parallax can be eliminated by focusing the eye piece and objective.

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Q. For adjustment purposes, the index arm can be rotated slightly with the help of a ________ screw.

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Q. To measure the horizontal angle which of the following is the first step?

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Q. After setting up the instrument first thing done by the surveyor is _________

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Q. The method of repetition is used to measure a horizontal angle to a finer degree of accuracy than that obtained with the least count of the vernier.

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Q. After levelling of an instrument is done what is the next up?

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Q. To measure a horizontal angle, after releasing all clamps, we turn the upper and lower plates in the same direction.

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Q. If one of the vernier is at 0° then another vernier reading shows / also shows ______

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Q. To measure a horizontal angle by direct method is also called a repetition method.

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Q. For measuring an angle to the highest degree of precision, several sets of repetitions are usually taken.

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Q. In first method of taking single set, after keeping the telescope normal throughout we measure the angle clockwise by 6 repetitions. We obtain the first value of the angle by dividing the final reading by _______

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Q. While measuring the set of observations, the transit should be levelled each time for high degree of precision.

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Q. In order to measure the magnetic bearing of a line, the theodolite should be provided with ______

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Q. Direct angles are angles measured clockwise from the preceding line to the following line.

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Q. In measuring direct angles, azimuths from the back line may vary from 0° to 180°.

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Q. A deflection angle is an angle in which a survey line makes with the prolongation of the preceeding line.

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Q. How many methods are there for prolongation of a straight line?

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Q. To run a straight line between two points, when both ends are inter visible. We establish intermediate points through ________

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