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 level The correct answer is

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

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Surveying
The First Point of Aeries

Is usually denoted by the Greek letter ?
Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda
All listed here
Is the point in the celestial sphere where zero meridian crosses the celestial equator

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Surveying
Pick up the incorrect statement from the following. In a spherical triangle

Every angle is less than two right angles
Sum of the three angles is equal to two right angles
Sum of the three angles less than six right angles and greater than two right angles
Sum of any two sides is greater than the third

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Surveying
Transit rule of adjusting the consecutive coordinates of a traverse is used where

angular measurements are more accurate than linear measurements
linear measurements are more accurate than angular measurements
linear and angular measurements of the traverse are of equal accuracy
All of these

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