A tunnel AB 75 m long bears S65 degree E on a downward slope of 30 degree.
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A tunnel AB 75 m long bears S65 degree
E on a downward slope of 30 degree. Another tunnel AC is 50 m long and bears N40 degree E on an upward gradient of 1 in 5. If a new tunnel is to be constructed connecting B and C, what will be the true length, bearing and slope of this new tunnel?
Related Book For
Engineering Economic Analysis
ISBN: 9780195168075
9th Edition
Authors: Donald Newnan, Ted Eschanbach, Jerome Lavelle
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