Surveying
The resection by two point problem as compared to three point problem

takes less time
requires more labour
None of these
gives more accurate problem

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Surveying
Accidental errors

All of these
Do not follow any definite mathematical law
Are generally small
Cannot be removed by applying corrections to the observed values

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Surveying
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is

only (i)
both (i) and (iv)
both (ii) and (iii)
only (iii)

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