Estimate the pressure change (report the absolute value) of propane with a flow rate of 500 l/min in the following three scenarios. all pipes are schedule 80 commercial grade steel. 1a. a sudden contraction from a dn 125 pipe to a dn 50 pipe.

answer:

i lost in getting someone back.

i learned that people are really two-faced and no matter how angelic someone appears they always have a devil side and that you cant trust anyone anymore no matter how dear they are to you.

if your wondering who it waz it waz mah still miss her tho

~batmans wife dun dun

answer: report them

explanation:

answer:

a

explanation: