Assuming that the drag coefficient is 26 calculate the air v

Assuming that the drag coefficient is 2.6, calculate the air velocity necessary to suspend 1.5 cm (screened) particles of shredded aluminum; ps = 2.70 g/cm^3 and r= 0.0012 g/cm^3.

a. 1003 cm/sec

b. 1196 m/sec

c. 986 cm/sec

d. 655 cm/sec

e. none of the above

Solution

Ans is a

Source:

http://books.google.co.in/books?id=GrLJpcRwRNEC&pg=PA225&lpg=PA225&dq=Assuming+that+the+drag+coefficient+is+calculate+the+air+velocity+necessary+to+suspend&source=bl&ots=3uCikHeyAH&sig=_I6wYaHd2CrBS4BeC8aTwTmkU0k&hl=en&sa=X&ei=IYh-UYfQNoKJrQf51YDACw&ved=0CC4Q6AEwAA#v=onepage&q=Assuming that the drag coefficient is calculate the air velocity necessary to suspend&f=false