Service — Texas ACR A Practice Questions

24 questions · 10% of the Texas ACR A exam

Worked questions

1. A food service establishment in Texas is replacing its refrigeration unit. According to the 2024 IMC, what is the minimum clearance required around the unit for proper ventilation?

A6 inches
B12 inches
C18 inches
24 inches

Exam tip

Proper ventilation around refrigeration units is essential for preventing overheating and maintaining food safety.

Why D is correct

The correct answer is 24 inches as per the 2024 IMC, Section 406.3, which ensures adequate ventilation and access for maintenance.

2. A new duct system in an industrial facility is being installed. According to the 2024 UMC, what is the maximum allowable distance between supports for round ducts?

A10 feet
B15 feet
20 feet
D25 feet

Exam tip

Duct support spacing is critical for proper system performance and safety.

Why C is correct

The correct answer is 20 feet as per the 2024 UMC, Section 604.2, which provides the maximum spacing for duct supports to ensure structural integrity.

3. A refrigeration system in an industrial setting in Texas is being installed. According to the 2024 UMC, what is the minimum required insulation thickness for refrigerant piping?

A1 inch
B1.5 inches
2 inches
D3 inches

Exam tip

Always check the specific code section for the correct insulation requirements.

Why C is correct

The correct answer is 2 inches, as specified in Section 403.1 of the 2024 UMC. Options a, b, and d are incorrect as they do not meet the required insulation thickness.

4. A refrigeration system in an industrial setting in Texas is experiencing a leak. According to the 2024 UMC, what is the maximum allowable leak rate for a refrigerant system?

A0.5 pounds per hour
1 pound per hour
C1.5 pounds per hour
D2 pounds per hour

Exam tip

Be aware of the specific leak rate requirements for different types of refrigeration systems.

Why B is correct

The correct answer is 1 pound per hour, as specified in Section 404.1 of the 2024 UMC. Options a, c, and d are incorrect as they exceed the allowable leak rate.

5. In a commercial building in Texas, the 2024 IFGC requires that air conditioning units be installed with a minimum of 2 feet of clearance on all sides. What is the correct clearance required for the bottom of the air conditioning unit?

A1 foot
B1.5 feet
2 feet
D3 feet

Exam tip

Always check the specific code section for the correct installation requirements.

Why C is correct

The correct answer is 2 feet, as specified in Section 402.4.1 of the 2024 IFGC. Options a, b, and d are incorrect as they do not meet the required clearance.

6. In a healthcare facility, what is the minimum air change rate required in patient care areas, according to the 2024 IMC?

A5 air changes per hour
10 air changes per hour
C15 air changes per hour
D20 air changes per hour

Exam tip

High air change rates are essential in healthcare settings to maintain a clean environment.

Why B is correct

The correct answer is 10 air changes per hour, as specified in the 2024 IMC Section 403.1. This ensures proper air quality and helps control airborne contaminants.

18 more in the bank

Answers and explanations for these are in the app.

A commercial building in Texas is being designed with a mechanical ventilation system. According to the 2024 IFGC, what is the minimum outdoor air supply required per square foot of occupied space in a commercial building?
A healthcare facility is being inspected for compliance with ventilation standards. According to the 2024 UMC, what is the minimum outdoor air change rate required for patient care areas?
A hotel in Texas is installing a new air conditioning system. According to the 2024 IMC, what is the minimum efficiency rating required for the system?
A new residential building in Texas is being designed with a mechanical ventilation system. According to the 2024 IMC, what is the minimum outdoor air supply required per person in a residential building?
A residential building in Texas is being inspected for compliance with the 2024 IMC. The building has a bathroom that does not have a window. What is the minimum ventilation rate required for the bathroom according to Section 603.1 of the 2024 IMC?
A residential building in Texas is being inspected for compliance with the 2024 IMC. The building has a crawl space that is used for storage. What is the minimum ventilation area required for the crawl space according to Section 403.1 of the 2024 IMC?
A residential building in Texas is being inspected for compliance with ventilation requirements. According to the 2024 IMC, what is the minimum outdoor air change rate required for a bedroom?
A residential building in Texas is designed with a total floor area of 1,500 square feet. According to the 2024 IMC, what is the minimum outdoor air supply required per person for this building?
A restaurant kitchen has a total cooking area of 400 square feet. According to the 2024 IFGC, what is the minimum exhaust hood size required?
A retail store is replacing its refrigeration display cases. According to the 2024 IFGC, what is the minimum clearance required between the top of the case and the ceiling for proper ventilation?
A school building is undergoing an air distribution system upgrade. According to the 2024 IFGC, what is the maximum allowable temperature difference between the supply and return air in a classroom?
An office building has a total floor area of 10,000 square feet. According to the ACCA Manual J, what is the estimated cooling load for this building?
In a commercial building in Texas, the 2024 IFGC requires that air conditioning units be installed with a minimum of 2 feet of clearance on all sides. What is the correct clearance required for the top of the air conditioning unit?
In a commercial building, the air conditioning system is designed to handle a cooling load of 500 tons. What is the minimum refrigerant charge required according to the 2024 IFGC, Section 903.2.1?
In a commercial kitchen exhaust system, the air velocity should not exceed what value to prevent fire hazards, according to the 2024 IFGC?
What is the recommended frequency of filter maintenance for an industrial air conditioning system, according to the 2024 UMC?
When handling refrigerants in a warehouse setting, what is the maximum refrigerant concentration in the air that is considered safe, according to the 2024 UMC?
Which method is NOT recommended for detecting refrigerant leaks in a retail refrigeration system, according to Modern Refrigeration and Air Conditioning 22nd ed.?

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Service — Texas ACR A Practice Questions

Worked questions

1. A food service establishment in Texas is replacing its refrigeration unit. According to the 2024 IMC, what is the minimum clearance required around the unit for proper ventilation?

2. A new duct system in an industrial facility is being installed. According to the 2024 UMC, what is the maximum allowable distance between supports for round ducts?

3. A refrigeration system in an industrial setting in Texas is being installed. According to the 2024 UMC, what is the minimum required insulation thickness for refrigerant piping?

4. A refrigeration system in an industrial setting in Texas is experiencing a leak. According to the 2024 UMC, what is the maximum allowable leak rate for a refrigerant system?

5. In a commercial building in Texas, the 2024 IFGC requires that air conditioning units be installed with a minimum of 2 feet of clearance on all sides. What is the correct clearance required for the bottom of the air conditioning unit?

6. In a healthcare facility, what is the minimum air change rate required in patient care areas, according to the 2024 IMC?

18 more in the bank

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