ACR3422 PSYCHROMETRICS 1ST ASSIGNMENT

Question 1:
Given:
7500 cfm of chilled air at 57 deg F DB and 56 deg F WB mixed with 2500 cfm of outside air at 96 deg F DB and 78 deg F WB.
Find: The properties of mixture.

Question 2:
Given:
Air at 35 deg F DB and 60% RH. Air is to be heated by passing through a coil to 95 deg F DB.
Find:
For the 95 deg F air, its percent RH, WB and DP temperature. For the process, the amount of heat added to the air/lb.of air flowing.

Question 3:
Given:
Air at 82 deg F DB and 50% RH being cooled to 53 deg F DB and 52 deg F WB.
Find:
Total heat removed.
Total moisture removed.
Sensible heat ratio for the process.

Deadline for submission: 16/8/07 at 12.00p.m