Which of the following is the best way for a state to encourage builders to engage in sustainable practices? by prohibiting building materials that are linked to carbon emissions

by creating tax incentives to conduct a life-cycle assessment

by limiting the size of new buildings

by restricting building materials to organic materials only

Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)