A tall concrete is an obstruction along a level route between points A and B. To proceed with the leveling work, an inverse method of leveling is executed at the vicinity of the obstruction where rod readings were taken with the rod held upside down as shown in the figure. From the observed data portrayed in the figure, determine the elevation of point B. Bottom of Rod Held Flushed with top of Wall Leveling Rod (Held upside down) Leveling Rod- -Leveling Rod (Hold upside down) 3.05 m 1.60 m Concrete Wall 4.92 m 3.68 m Tst Setup of Instr. Elov, 528.25m 2nd Setup of tnstr. а. 526.30 m b. 524.30 m с. 525.30 m d. 527.30 m e. not included on the list
A tall concrete is an obstruction along a level route between points A and B. To proceed with the leveling work, an inverse method of leveling is executed at the vicinity of the obstruction where rod readings were taken with the rod held upside down as shown in the figure. From the observed data portrayed in the figure, determine the elevation of point B. Bottom of Rod Held Flushed with top of Wall Leveling Rod (Held upside down) Leveling Rod- -Leveling Rod (Hold upside down) 3.05 m 1.60 m Concrete Wall 4.92 m 3.68 m Tst Setup of Instr. Elov, 528.25m 2nd Setup of tnstr. а. 526.30 m b. 524.30 m с. 525.30 m d. 527.30 m e. not included on the list
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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