March 24, 2017

Post a New Question

Posted by on Friday, January 27, 2012 at 11:01pm.

A room measures 4.0 m by 3.9 m by 4.5 m. The heating and air-conditioning ducts to and from the room are circular with diameter 0.37 m and all the air in the room is to be exchanged every 14 min.
(a) What is the average flow rate?
(b) What is the necessary flow speed in the duct? (Assume that the density of the air is constant.)

  • Physics - , Saturday, January 28, 2012 at 1:03am

    (a) (Room volume)/(840 s) = ______ m^3/s

    (b) (Flow rate)/(duct area)

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question