Q. When an instrument is at P the staff readings on P is 1.824 and on Q is 2.748. When instrument at Q the staff readings on P is 0.928 and Q is 1.606. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find the error due to collimation?

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Q. When an instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606 and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find true R.L of Q?

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Q. When instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606 and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find combined effect correction for curvature and refraction?

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Q. When instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606 and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find error due to collimation?

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Q. When an instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606 and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find the angular error in collimation adjustment of the instrument?

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Q. Which of the following is not an instrumental error?

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Q. Which of the following is a natural error?

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Q. Which of the following is a personal error?

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Q. Which of the following is not a personal error?

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Q. Atmospheric refraction is _________

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Q. Which of the following is an instrumental error?

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Q. Which of the following is not a natural error?

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Q. Which of the following is not a principle source of error in levelling?

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Q. Errors in sighting is _________

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Q. Wind vibrations are natural errors.

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Q. When distances are small which of the following error is negligible?

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Q. Due to refraction, staff reading decreases.

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Q. The degree of precision does not depend upon the type of instrument.

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Q. For a given instrument and atmospheric conditions, the precision depends upon the number of setups.

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Q. The precision on plains will be less than that on hills.

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