The following paragraph applies to

Q_(3)

and

Q_(4)

.\ Air at

40%

relative humidity and dry-bulb temperature

32\\\\deg C

, passes through a cooling tower that has an effectiveness 0.70 for the senslbie heat transfer. The hot water temperature into the cooling tower is 44.C. The mass flow rate of dry air is

150k(g)/(s)

. The total (ambient) pressure is

100kPa

. See attached sheet for pertinent water saturation data.\ 3. What is the amount of heat gained by the air (MW)?\ a) 17.94\ b) 17.09\ c) 15.52\ d) 16.24\ e) 18.80\ 4. What is the makeup water flow rate

(k(g)/(s))

that must be supplied?\ Write your solution here and show how the key parameters for this sub-question are obtained.

The following paragraph applies to Q3 and Q4. Atr at 4DA relative humidity and dry-bulb temperature 32C, passes through a cooling tower that has an effectiveness 0.70 for the sensible heat transfer. The hot water temperature into the cooling tower is 444C. The mass flow rate of dry air is 150kg/s. The total (ambient) pressure is 100kPa. See artached sheet for pertinent water saturation data. 3. What is the amount of heat gained by the air (MW)? a) 17.94 b) 17.09 c) 15.52 d) 16.24 e) 18.80 4- What is the makeup water flow rate (kg/s) that must be supplied? Write your solution here and show how the key parameters for this sub-question are obtained