What are the advantages and disadvantages of measuring hydraulic conductivity in the lab? What about in the field?

One shaft is in torsion as shown below. If the magnitude of shear stress at point A is 245.3 MPa, calculate the magnitude of the shear stress at point B on the same cross-section as point A:  ___ MPa. Calculate your answer to one decimal place.

What is the Darcy’s hydraulic coefficient of permeability (or hydraulic conductivity) for water?

A rectangular strain gauge rosette was employed to determine o = 4350 psi and o = 1450 psi, as shown below. Calculate the magnitude of o, o and t if 0 = 30°. Note: A rectangular strain gauge rosette can be used to measure the strains and then help determine the in-situ stresses, we will discuss the use of a strain gauge later in the class, but it does not impact stress calculations here. y 02 01 Ꮎ