Q-01 FDNY Complete Mock Exam
Questions and Answers |100% Correct|
2025/2024 Latest Version!!!
**What is the purpose of a kitchen exhaust system in commercial kitchens?**
To remove smoke, heat, grease vapors, and other airborne contaminants from the kitchen.
**What is the primary function o...
Q-01 FDNY Complete Mock Exam
Questions and Answers |100% Correct|
2025/2024 Latest Version!!!
**What is the purpose of a kitchen exhaust system in commercial kitchens?**
To remove smoke, heat, grease vapors, and other airborne contaminants from the kitchen.
**What is the primary function of a grease duct?**
To safely carry grease-laden vapors from the cooking area to the exhaust hood and out of the
building.
**How often should a commercial kitchen exhaust system be cleaned?**
It depends on the volume of cooking; typically, every 3 months for high-volume kitchens,
but it could be as often as every month in some cases.
**What could happen if a grease duct is not properly cleaned?**
It could lead to grease buildup, increasing the risk of a fire.
**What is the minimum clearance required between the exhaust duct and combustible
materials?**
18 inches unless listed otherwise for reduced clearances by UL or other standards.
1
,**Why is it important to use approved cleaning agents when maintaining a grease duct
system?**
To ensure that the chemicals do not damage the system or leave flammable residues.
**What is the purpose of baffle filters in a kitchen exhaust system?**
To capture grease and prevent it from entering the ductwork.
**How should the exhaust hood filters be cleaned?**
They should be removed and cleaned regularly, either manually or through automatic
cleaning systems, depending on the volume of cooking.
**What is the role of a fire suppression system in a commercial kitchen exhaust system?**
To automatically suppress fires that may occur in the cooking or exhaust area using an
approved extinguishing agent.
**What type of fire suppression system is typically installed in a commercial kitchen?**
Wet chemical fire suppression systems, specifically designed to suppress grease fires.
**Why is proper ventilation important in commercial kitchens?**
To ensure the removal of smoke, heat, and cooking fumes, which helps prevent fire hazards
and maintain air quality.
**What should be done if the exhaust fan stops working during kitchen operations?**
2
, Immediately stop cooking and shut down all heat sources to prevent smoke and grease
buildup.
**How can grease buildup in the ductwork be identified?**
Through visual inspection, or by accessing clean-out points in the system.
**What is the minimum required air velocity in a commercial kitchen exhaust duct?**
Typically, between 500 to 2,500 feet per minute (fpm), depending on the system design.
**What is the purpose of installing clean-out doors in grease ducts?**
To provide access points for cleaning and inspection of the duct system.
**What material should be used for commercial grease ducts?**
Ducts should be constructed of stainless steel or carbon steel, both of which are heat-resistant
and non-combustible.
**What is the purpose of an exhaust fan on the roof of a commercial kitchen?**
To expel air and grease vapors from the kitchen to the outside, ensuring proper airflow and
ventilation.
**Why is it important to keep the area around the exhaust fan free from debris?**
To prevent fire hazards and ensure the fan operates efficiently.
3
, **What should be done if a fire starts in the grease duct?**
Activate the fire suppression system immediately and notify emergency personnel.
**What safety equipment should be used during the cleaning of kitchen exhaust systems?**
Proper personal protective equipment (PPE), including gloves, goggles, and possibly
respirators, depending on the cleaning chemicals used.
**What are the signs that a kitchen exhaust system is not functioning properly?**
Smoke or heat buildup in the kitchen, slow exhaust fan operation, or unusual noises coming
from the ductwork.
**How should the fire suppression system be tested?**
It should be inspected regularly by licensed professionals to ensure it activates and functions
correctly in the event of a fire.
**What can cause a fan belt on an exhaust fan to break or wear out prematurely?**
Improper tension, misalignment, or lack of regular maintenance.
**What is the consequence of insufficient airflow in the exhaust system?**
It can lead to grease buildup, poor air quality, and potential fire hazards.
**Why must exhaust ductwork be sloped toward a grease trap?**
4
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