[2026] Free HFDP Exam Dumps to Pass Exam Easily [Q59-Q77]

[2026] Free HFDP Exam Dumps to Pass Exam Easily

HFDP Exam Dumps, HFDP Practice Test Questions

NEW QUESTION # 59
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?

A. Maintain current ventilation rate
B. Relocate return air diffusers to the ceiling
C. Decrease air flow to maintain ACH
D. Increase ACH to 25

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
Class B vs. Class C: ASHRAE 170 and FGI Guidelines define Class B ORs (minor procedures) at 15 ACH minimum, and Class C ORs (major surgeries) at 20-25 ACH minimum (Table 7.1). The HVAC Design Manual recommends 25 ACH for Class C to ensure sterile conditions.
Option Analysis:
A: Incorrect-Class C requires higher ACH.
B: Incorrect-Decreasing airflow reduces ACH.
C: Incorrect-Return grilles stay low, not ceiling.
D: Correct-25 ACH aligns with Class C needs.

NEW QUESTION # 60
In accordance with ASHRAE Standard 170, the filter bed #2 in an air-handling unit serving a patient area shall be located:

A. After the pre-heat coil and before the fan
B. After the fan and the cooling coil
C. Before the fan and the cooling coil
D. Between the fan and the outside air louver

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
Filter Placement: ASHRAE 170, Section 6.4, requires Filter Bed #1 (MERV 7) before coils and Filter Bed #2 (MERV 14) after the fan and cooling coil to protect patient areas from downstream contaminants.

NEW QUESTION # 61
Which of the following is a code specific to healthcare facilities?

A. NFPA 96
B. NFPA 99
C. NFPA 90A
D. NFPA 45

Answer: B

NEW QUESTION # 62
Airborne Infection Isolation Rooms are designed to:

A. Be switched from neutral to negative
B. Protect patients from infection
C. Protect staff and visitors from infection
D. Be switched from neutral to positive

Answer: C

NEW QUESTION # 63
A Protective Isolation Room, Surgical Cystoscopic Room, or Bronchoscopy Room shall maintain a MINIMUM room differential pressure of:

A. 0.025 inch water gauge (7.5 pascals)
B. 0.05 inch water gauge (12.5 pascals)
C. 0.10 inch water gauge (25 pascals)
D. 0.01 inch water gauge (2.5 pascals)

Answer: D

NEW QUESTION # 64
Which of the following is associated with "hot rooms"?

A. Physical Therapy
B. Central Plant
C. Nuclear Medicine
D. Newborn ICU

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
Hot Rooms: In healthcare, "hot rooms" refer to areas in Nuclear Medicine where radioactive materials (e.g., for imaging) are handled, requiring special HVAC considerations (ASHRAE Handbook-HVAC Applications).

NEW QUESTION # 65
The Environment of Care™ standards of The Joint Commission establish requirements for which of the following functions?

A. A series of specifications for designing and constructing healthcare facilities
B. Absolute minimum requirements for air change rates in rooms and spaces
C. Designer qualifications for professionals working in a healthcare organization
D. A set of management standards for application by the healthcare organization

Answer: D

NEW QUESTION # 66
In accordance with The Joint Commission's Environment of Care™ requirements, as part of the emergency management plan, healthcare organizations must conduct which of the following to identify potential emergencies?

A. Incident Command Probability Index
B. Hazard Vulnerability Analysis
C. Infection Control Risk Assessment
D. Federal Emergency Incident Matrix

Answer: B

NEW QUESTION # 67
Secondary (redundant) air systems for maintenance purposes are MOST often used in which of the following locations?

A. Bone Marrow Transplant Units
B. Intensive Care Units
C. Procedure Room
D. Radiation Treatment Rooms

Answer: A

NEW QUESTION # 68
A medical gas storage room with a capacity for over 3,000 cubic ft. (84.95 cubic m) at standard temperature and pressure is required to have a ventilation system with which of the following criteria?

A. The exhaust grille shall be located within 12 in. (31 cm) of the floor
B. The system shall be interconnected to the facility AHU system
C. The exhaust grille shall be sized for natural ventilation
D. The system shall cycle to meet temperature requirements

Answer: A

NEW QUESTION # 69
Which of the following is a key consideration of the Infection Control Risk Assessment Mitigation process when applied to a hospital renovation project?

A. Identification of the type of finishes required
B. Determining the location of Isolation Rooms
C. Establishing the contractor qualifications
D. Protection from construction debris

Answer: D

NEW QUESTION # 70
Smoke is detected at the supply duct smoke detector in a hospital without an engineered smoke control system. In accordance with the ASHRAE HVAC Design Manual for Hospitals and Clinics, the supply and return air smoke dampers should:

A. Open through hard wired interlocks
B. Stage to maintain positive pressure
C. Stage to maintain negative pressure
D. Close through hard wired interlocks

Answer: D

NEW QUESTION # 71
An engineer is designing the Autopsy facilities, the Dietary Department's facilities, the Emergency Department waiting area, and the Waste and Trash areas in a hospital. Which of the following statements accurately describes a consideration that the engineer must take into account when designing these spaces?

A. Because Autopsy facilities have the same total ACH and exhaust requirements as Airborne Infection Isolation Rooms, they require special design features
B. Because some of the waste generated by a healthcare facility is hazardous, the Waste and Trash areas must use 100% outside air
C. Because the Emergency Department waiting area is not utilized as a patient treatment space, special HVAC consideration of this area is usually not necessary
D. Because cooking surfaces used in the kitchen produce odors typically lighter than air, these rooms do not use local exhaust

Answer: A

NEW QUESTION # 72
Which of the following represents the MINIMUM distance that must separate a fresh air intake and an exhaust system outlet?

A. 25 ft. (7.62 m)
B. 20 ft. (6.10 m)
C. 15 ft. (4.57 m)
D. 30 ft. (9.14 m)

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
Separation Requirement: ASHRAE Standard 170, Section 6.3.2, and ASHRAE 62.1 specify a minimum 25 ft separation between fresh air intakes and exhaust outlets to prevent re-entrainment of contaminants.

NEW QUESTION # 73
Which of the following ventilation system criteria is the MINIMUM for a room housing a patient who has a compromised immune system?

A. 15 ACH, airflow direction towards the patient
B. 12 ACH, airflow direction away from patient
C. 12 ACH, airflow direction towards the patient
D. 15 ACH, airflow direction away from patient

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
Protective Environment (PE) Room: Designed for immunocompromised patients (e.g., transplant recipients), ASHRAE Standard 170, Section 7.2.2, requires 12 ACH minimum and positive pressure (airflow towards the patient) to protect against external contaminants.
Option Analysis:
A/C: Airflow away from the patient (negative pressure) is for AIIRs, not PE rooms.
B: Correct-12 ACH with positive pressure meets the minimum for a PE room.
D: 15 ACH exceeds the minimum requirement.

NEW QUESTION # 74
A requirement for smoke compartmentation in hospitals is to provide:

A. A second means of egress
B. Separate ventilation systems to control smoke
C. An opportunity for staff to horizontally relocate patients
D. A place for firefighters to approach a fire

Answer: C

NEW QUESTION # 75
Which type of energy recovery system is the BEST application for an air handling system serving a sterile processing department, where the exhaust air stream and outdoor air stream are separated by long distances?

A. Plate-to-plate heat exchanger
B. Heat pipe coil
C. Run-around coil loop
D. Enthalpy wheel

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
Run-around Coil: Ideal for separated airstreams, using fluid loops to transfer heat over long distances without cross-contamination, suitable for sterile processing (ASHRAE Handbook-HVAC Systems).

NEW QUESTION # 76
In accordance with ASHRAE Standard 170, which of the following must be maintained when air change rates are reduced during unoccupied periods?