1.What are the isrm standard for uniaxial tensile stress , ucs ,punch shear test and point load test for testing a rock sample
2.What is a dummy activity and slack activity and also what are slack variables in linear programming constraints equation
3.For a cantilever beam 20 ft long under a uniformly distributed load of 500 pounds/foot, calculate the deflection v and the slope dv/dx as a function of x by integrating differential equations.