Question 26
0.746 kW = 1 brake Hp, 1 kWh = US $0.10. A facility is trying to choose between AHU-1 and AHU-2. AHU-
1 costs US $100,000 and uses 30 brake Hp. AHU-2 costs US $110,000 and uses 25 brake Hp. Based on the figures above, what is the approximate difference in the cost of the unit AND energy over 20 years of constant operation (in current US dollars)?
1 costs US $100,000 and uses 30 brake Hp. AHU-2 costs US $110,000 and uses 25 brake Hp. Based on the figures above, what is the approximate difference in the cost of the unit AND energy over 20 years of constant operation (in current US dollars)?
Question 27
An Ethylene Oxide (ETO) Room is being designed with 100 cfm (48 L/s) supply air and 150 cfm (71 L/s) of exhaust. Which of the following additional provisions is recommended?
Question 28
In accordance with the ASHRAE HVAC Design Manual for Hospitals and Clinics, to avoid carryover of droplets from a standard cooling coil into the air handling unit casing, the recommended MAXIMUM air velocity through the cooling coil should be no more than:
Question 29
A single level of a medical center provides for inpatient care and measures 202 ft. (61.57 m) by 220 ft. (67.06 m). Which of the following represents the MINIMUM number of smoke compartments that this space must be divided into?
Question 30
In a conditioned space, when the total grains of moisture in the air remain constant and the dry bulb temperature of the air drops, which of the following psychrometric reactions will occur?