CR4 - Thread: Convert Nm^3 to kg/hr - CR4 - Engineering Forum | IHS Engineering360
We shouldn't prolong the continuation of misinterpretation of the definitions of STP and NTP condition, and the value of density at each of the different conditions. NTP, Normal Temperature and Pressure is air at 20oC (293.15 K and 1 atm (101.325 kN / m2,...