NO.45 Utilities reserve heat capacity can be waived if ASHRAE 99% heating dry bulb temperature for the facility is greater or equal to which of the following?

NO.46 Airborne Infection Isolation Rooms are intended to prevent the spread of diseases such as:

NO.47 An Airborne Infection Isolation Room is 10 ft. × 12 ft. (3.05 m × 3.66 m) and has an 8 ft. (2.44 m) ceiling. An adjoining anteroom measures 6 ft. × 8 ft. (1.83 m × 2.44 m) with a 7.5 ft. (2.29 m) ceiling height. Airflow measurements reveal: Room supply diffuser: 135 CFM (64 L/s), Exhaust register: 200 CFM (95 L/s), Anteroom supply diffuser: 100 CFM (48 L/s), Anteroom exhaust register: 65 CFM (31 L/s). Which of the following represents the correct patient room air change rate (ACH)?

NO.48 Which of the following standards requires a machinery room when the maximum amount of refrigerant per the standard is exceeded?

NO.49 Which of the following departments is MOST likely to have an isolation room?

NO.50 What is the recommended face velocity of Group E diffusers in operating rooms?

NO.51 If a hospital is in an area with a very cold climate, which of the following equipment in the central utility plant needs to be redundant with emergency back-up?

NO.52 Which of the following air-to-air heat recovery strategies will result in the greatest possibility of cross- contamination between air streams?

NO.53 In accordance with the ASHRAE HVAC Design Manual for Hospitals and Clinics, which of the following types of treatment should have a local exhaust system?

NO.54 Which of the following describes the primary difference between the design intent for the air distribution in an Operating Room compared to a standard Patient Room?

NO.55 Which of the following particles has the smallest aerodynamic diameter?

NO.56 Which of the following is a key role of the HVAC system designer during the Infection Control Risk Assessment process?

NO.57 Which of the following is true for an Airborne Infection Isolation Room using supplemental ventilation for a TB patient population?

NO.58 A hospital has made a decision to change the type of surgeries that are being performed in one of its Class B Operating Rooms. The changes will require the room to be a Class C room. According to the HVAC Design Manual for Hospitals and Clinics, which of the following BEST describes the changes that should be made to the ventilation system?

NO.59 According to the most current edition of ASHRAE Standard 170, which of the following is the correct number of air changes per hour for a treatment room?

NO.60 In accordance with the ASHRAE HVAC Design Manual for Hospitals and Clinics, which of the following is the BEST form of communication to accomplish good planning, testing, and commissioning?

NO.61 Which of the following is the BEST location for a room thermostat in a typical patient room?

NO.62 Which NFPA standard or code is the BEST guide for ventilation of medical gas storage or transfilling areas?

NO.63 Which of the following is a key function of an Infection Control Risk Assessment process when applied to a hospital renovation project?

NO.64 Which of the following causes a higher horsepower to cfm (L/s) ratio?

NO.65 The following information refers to the diagram above.

The following information refers to the diagram above:
* The room is an Airborne Infection Isolation Room with a series anteroom.
* The room volume is 960 cubic ft. (27 cubic m).
* The room cooling load is 4,000 Btu/hr sensible only. (Ignore latent loads.) (1172 W)
* The supply air temperature is 55° F (12.8° C), and the room temperature set point is 75° F (23.9° C).
* The toilet exhaust is 100 cfm (47.2 L/s).
* The total room envelope leakage area is 35 sq. in. (22.575 sq. cm), (A_L).
* The anteroom supply air volume is 75 cfm (35 L/s).
* The design pressure difference complies with FGI Guidelines (D_p) (in. water/kPa).
* The room air flow difference (Q_d) is defined by the following:
Q_d = (7p)^0.65 x A_L / 0.019564
(SI) Q_d = (7p)^0.65 x A_L / 10,000
Based on the diagram and the information above, what is the MINIMUM design room air exhaust volume?

NO.66 As part of a risk management plan for minimizing Legionellosis risk, a hospital is developing program documents for preventative measures required within its potable water systems. Which of the following portions of the program documents should be referenced in the case of a known or suspected case of Legionella associated with the use of potable water from the building water system?

NO.67 In accordance with ASHRAE Standard 170, the pressure differential in which of the following rooms shall be continuously monitored?

NO.68 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:

NO.69 What determines building envelope requirements in ASHRAE Standard 90.1?