Surveying
Theodolite is an instrument used for

tightening the capstan-headed nuts of level tube
measurement of vertical angles only
measurement of both horizontal and vertical angles
measurement of horizontal angles only

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

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

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