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2 cards from this section. Quick, good the night before a test.
What is a tacheometer used for?
Think about the functions of a surveying instrument.
What does RL stand for in surveying?
Consider what it refers to in relation to height.
What principle does a tacheometer operate under?
Think about the combination of features in the instrument.
True or False: Tacheometry is only useful for short distances.
Consider the capability of the tool.
A tacheometer at point P measures readings of 1.5 m and 2.4 m from points Q and R at different angles of elevation. If the RL is known to be 200 m and the height of the instrument is 1.2 m, calculate the horizontal distance and elevation of Q.
Ensure to calculate each angle effectively before applying to the formula.
Given a tacheometric survey with a measurement of 100 m horizontal distance to a height of 6 m above a reference level of 50 m, determine the angle of elevation.
Think about how the opposite side relates to the base distance.
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