Eat this b-o-o-t-y in the a-s-s

On a average work day more than work place firs are reorted

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)