A set of concrete cylinders made for a slab pour fails below the required design concrete strength. Other than tearing out the slab and re-pouring, what would you do to determine the concrete strength of the slab?

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t