Surveying MCQ with Answers

Surveying MCQ with Answers

41) In the double application of principle of reversion, the apparent error is

Answer is:

four times the true error

42) Which of the following errors can be eliminated by taking mean of bot face observations

Answer is:

error due to line of collimation not being perpendicular to horizontal axis

43) Which of the following errors cannot be eliminated by taking both face observations

Answer is:

none of the above

44) If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will

Answer is:

increase

45) If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to
i) altitude bubble on index frame
ii) altitude bubble on index frame if it is to be used as a level
iii) altitude bubble on telescope
iv) altitude bubble on telescope if it is to be used as a level
The correct answer is

Answer is:

both (i) and (iv)

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