FDNY CoF – Torch Use of Flammable Gases in Laboratories (C-14) Practice Exam

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• What does NTP stand for in laboratory settings?
• What does SCF stand for in relation to gas measurements?
• What is the primary purpose of a fire sprinkler system in a laboratory?
• What does the chemical name of a substance aim to do?
• What is the required signage for a laboratory storing potentially hazardous substances?
• What is the exception for the number of combustible liquid storage cabinets in a fire area?
• What is the defined use for materials in a laboratory work area?
• What type of hazards do organic peroxides present?
• Which material storage practices are recommended for chemical safety?
• According to the NFPA system, what does a red square labeled '1' indicate regarding flammability?
• In the Roman numeral classification system, what do smaller numbers indicate?
• What is the minimum face velocity required for pre-existing lab hoods?
• What is one of the options for separating incompatible materials aside from distance?
• What is the definition of LD50?
• Which of the following can cause a fire in connection with flammable solids?
• Which method is used to classify pre-existing labs?
• How many air changes per hour are necessary in an unoccupied laboratory?
• What is the maximum capacity of a safety can?
• What is a requirement for the inspection of hood systems?
• How should chemicals be organized in a laboratory?
• What is generally considered a physical hazard in the context of hazardous materials?
• Which organic peroxide class can initiate deflagration?
• What characterizes a container of compressed gases?
• When using a laboratory hood, which statement about the volume of Class I liquids applies?
• What marking must be displayed on the outside of flammable/combustible liquid storage cabinets?
• True or False: Transferring compressed gas from one commercial container to another is permitted in a laboratory setting.
• Which of the following statements is true about fume hoods that use filtration?
• What type of liquids can be dispensed outside of a hood in a laboratory environment?
• Which of the following best describes a lecture bottle?
• What is the maximum amount of flammable liquid allowed in a pre-existing lab type I?
• In the NFPA Diamond sign, what does a number of '0' indicate?
• What defines an out of service fire protection system?
• How can one determine if a laboratory is pre-existing or new?
• When are "No Smoking" signs required in relation to hazardous materials?
• In a hazardous material classification system, how is a class '3' in water reactivity defined?
• What does the term "flammability hazard" indicate in chemicals?
• Which term describes a chemical that is a mixture of elements or compounds?
• Which material is known for its flammability and is often used in laboratory settings?
• How many classes are unstable (reactive) materials divided into based on hazard level?
• How should the bottom of a flammable/combustible liquid cabinet be designed?
• Which class of flammable liquids can be stored beneath ground level if sprinklers are present?
• Where must hazard identification signs be displayed?
• What action should be taken with materials that have illegible labels and unidentified contents?
• Which is a method for separating incompatible materials?
• What are incompatible materials?
• Which is a key characteristic of an exhausted enclosure?
• What should be done after determining the hazards associated with materials before a chemical reaction?
• What type of fire is associated with flammable liquids?
• What is the typical ignition temperature of flammable solids that can pose a serious hazard?
• What is a key characteristic of Organic Peroxide Class III?
• What is an environmental hazard that compressed gas containers must be protected from?
• What signage must be displayed on a domestic refrigerator used in a lab?
• Which type of laboratory refrigerator is specifically designed to protect against ignition of flammable vapors?
• A special emergency shower is required when the volume of corrosive liquids exceeds what amount?
• Which of the following is an example of a flammable solid?
• When should hood sashes be opened?
• What is the minimum number of air changes per hour required in an occupied laboratory?
• What is a condition that allows chemicals to be stored in a hood?
• What is the maximum volume of flammable liquid allowed in an open container?
• What is the required number of air changes per hour in a storage room for chemicals?
• What type of lab coats must people using pyrophoric reagents wear?
• Which characteristic defines organic peroxides?
• Which criteria is important when inspecting time sensitive materials?
• What kind of partition is recommended for isolating incompatible materials?
• Which type of refrigerator is specifically designed to reduce the potential for ignition of floor level vapors?
• What does a class '2' in water reactivity hazards indicate?
• Where must experiments with explosion potential be performed to ensure safety?
• Which factors are evaluated before performing a chemical reaction?
• Which feature is required for the doors of flammable/combustible liquid cabinets?
• What does LEL/LFL stand for in laboratory safety?
• Where should hoods ideally be located in a laboratory?
• What does LC50 represent in toxicology?
• How frequently are portable fire extinguishers required to be inspected?
• What is the primary purpose of a standpipe system in a laboratory setting?
• In an area with sprinklers, what is the maximum distance items may be stored from the ceiling?
• What signifies whether a lab is new or pre-existing on a permit?
• What is the maximum distance items may be stored from the ceiling in an area without sprinklers?
• Who is responsible for managing safety protocols when a fire protection system is out of service?
• Which of the following is considered a physical hazard?
• What is the flash point of a combustible liquid?
• When should electrical equipment be turned off before extinguishing a fire?
• What is the maximum capacity for storing combustible liquids in a single container?
• What method should not be used to heat perchloric acid?
• How far should combustible materials be kept from an open flame?
• How is a combustible liquid typically identified?
• What is a sash in laboratory settings?
• Which class of fire involves combustible metals?
• What level of hazard is Class II oxidizer associated with?
• What characterizes a liquid in laboratory terms?
• How many flammable/combustible liquid storage cabinets are permitted in a single fire area?
• What must be done if hazardous materials are used in a laboratory?
• Are waste quantities included in the maximum allowable quantity for the lab?
• What is the function of solvent stills in a laboratory setting?
• Dispensing refers to which of the following actions?
• When can Class I liquids be dispensed in a laboratory hood?
• What is considered a safety measure for storing compressed gas containers?
• What color scheme is required on the flammable liquid cabinet labeling?
• What is the maximum face velocity for pre-existing lab hoods?
• Which symbol indicates unusual reactivity with water in the NFPA special hazard symbols?
• What does excess flow control refer to?
• Which of the following is true regarding the lower explosive limit (LEL)?
• What is NOT a part of the criteria for checking a fire extinguisher?
• Which classes of flammable liquids are ONLY allowed to be stored beneath ground level with sprinklers?
• What role does an impairment coordinator fulfill in a laboratory?
• Which of the following actions is not affected by a fail-safe system?
• What must be considered for maximum allowable quantities of flammable materials in the lab?
• What does a reduced flow valve do in a compressed gas container?
• What kind of fire is related to cooking appliances?
• What special requirement is there for hoods using perchloric acid?
• Which of the following describes an explosion?
• What occurs when water-reactive materials come into contact with water?
• What is the significance of having a melting point below 68°F?
• What defines a solid material in a laboratory?
• Who is responsible for periodic inspection and maintenance of safety systems?
• Where is the safest place to store acids in a laboratory?
• What are leading causes of hazardous material incidents in the workplace?
• What should be ensured when storing flammable materials in a lab?
• How many pre-existing lab types are recognized?
• What is the main function of a chemical fume hood?
• Which step is NOT part of an emergency procedure?
• Is it permissible to store a domestic refrigerator in a laboratory setting?
• What features define a laboratory unit?
• What is the purpose of an exhausted enclosure in a laboratory?
• What is meant by face velocity in a laboratory context?
• What is considered an educational laboratory unit?
• What is the maximum total quantity of materials allowed in a flammable/combustible liquids storage cabinet?
• What is the capacity limit for storing incompatible materials?
• What is the definition of flammable vapors or fumes?
• What does the yellow square in the NFPA Diamond indicate?
• Which of the following materials is classified as an oxidizer?
• Which oxidizing gas is NOT commonly associated with chemical reactions?
• How is the 20% evaporated point scientifically determined?
• Which of the following best defines a chemical?
• Why is it critical to keep the doors of flammable/cumbustible cabinets well fitted?
• How are organic peroxides classified?
• What is the flash point of a liquid?
• What class in water reactivity hazards is considered non-reactive?
• What characteristics define a flammable solid?
• What does IUPAC stand for?
• What is the face velocity range for new lab hood requirements?
• What is the very first action to take during an emergency in a laboratory?
• What defines the capacity of a container for solid and liquid hazardous materials?
• How long are fire department permits valid?
• Which square on the NFPA Diamond represents health hazards?
• What is a basement defined as in relation to its height compared to the grade plane?
• What type of injuries can a corrosive material cause?
• Which of the following is a responsibility of the CoF holder regarding safety systems?
• What does the term "lower flammable limit" (LFL) refer to?
• What is a non-production laboratory?
• Which oxidizer class is known for having no effect on burning rates?
• What should be done with materials that can be made safe after their time is up?
• What kind of gas or materials necessitate cautionary signs in labs?
• What constitutes a chemical that is defined as an oxidizer?
• What is the primary purpose of using distillation apparatus in laboratories?
• How is an unstable (reactive) material defined?
• What is the purpose of a chemical utilized in laboratory settings?
• What information does a Material Safety Data Sheet (MSDS) provide?
• Which item is NOT a recommended precaution for storing compressed gas containers?
• What modification is required for heating equipment to safely heat flammable materials?
• What is the purpose of a storage cabinet in a laboratory?
• In the Arabic numeral classification system, which statement is true about higher numbers?
• What characterizes Oxidizer Class 4?
• Which responsibility is part of the Certificate of Fitness (C of F) for hood maintenance?
• What type of environment does a gas cabinet create for gas storage?
• What type of labs are required to have safety showers?
• What system is required for hoods using perchloric acid to wash down the hood and exhaust system?
• Who is responsible for the annual checks of portable fire extinguishers?
• Which type of fume hoods are approved for use in New York City?
• What is the primary purpose of a fire separation?
• What type of signs are acceptable for laboratories that store or use severely hazardous materials?
• Which classification applies to a chemical that poses significant health risks to exposed individuals?
• What is the requirement for curtains or drapes used in laboratories?
• What is a corrosive material defined as?
• What is the flash point threshold for combustible liquids classified as Class IIIB?
• How many classes do water-reactive materials have in relation to their hazard?
• Why should compressed gas containers not be placed on ledges or unprotected platforms?
• Which of the following is NOT a classification of a fire alarm system?
• Which of the following is true about time sensitive materials?
• Who is responsible for issuing fire department permits?
• Which aspect is covered under the handling of hazardous materials?
• What is a key hazard associated with unstable (reactive) materials?
• Where must a safety shower be located in relation to the lab?
• What is required for the renewal of a fire department permit?
• Which items are typically found within a laboratory unit?
• What classification of laboratory chemical is defined by a health, flammability, or instability hazard ranking of 2 or higher?
• What classifies a location as a Class 1 Division 2 hazardous area?
• What must be maintained as part of fire protection measures?
• What must the hood, exhaust duct work, and fan be resistant to when using perchloric acid?
• What characteristics define a pre-existing lab type I?
• What defines a flammable liquid?
• What level of hazard is associated with Organic Peroxide Class V?
• Which type of laboratory units are excluded from being categorized as instructional laboratories?
• Which of the following is not considered a container when in active use?
• What does a blue square labeled '2' in the NFPA Diamond categorization indicate?
• What is the main purpose of a laboratory work area?
• Which of the following best describes the intended use of an explosion proof laboratory refrigerator?
• What information must be displayed on a sign affixed to the hood?
• What qualifies as a closed container?
• Which of the following is NOT a part of the proper management of storing materials?
• What is the consequence of not posting proper signage on a domestic refrigerator in a lab?
• What type of chemical hazard is described as a pyrophoric material?
• What information is used when a boiling point is not available for a material?
• What kinds of sources can lead to an explosion?
• What does the NFPA Diamond white square represent?
• What is one disadvantage of using gas flames for heating flammable liquids?
• In the NFPA Diamond Red section, what class denotes that a material can ignite under almost all ambient temperature conditions?
• What defines hazardous materials according to the Fire Code?
• How must baths heating flammable liquids be handled?
• What is the purpose of properly maintained hood systems in a laboratory?
• What is the purpose of an instructional laboratory unit?
• In the NFPA Diamond classification, what is indicated by a class '4' in the stability/reactivity category?
• How often should hood air system flow detectors be inspected?
• Who is typically defined as an instructor in a laboratory setting?
• What does design pressure refer to?
• When must the frequency of hood inspections be increased?
• What is the focus of training as part of emergency procedures?
• What does a closed container prevent during storage or handling?
• What is the main function of a flammable liquids storage refrigerator?
• What is a gas cabinet used for in a lab setting?
• What is the preferred method for transporting materials between different floors in a lab setting?
• How is excess flow control implemented in pressure systems?
• What is the average face velocity for pre-existing lab hoods?
• Which of the following substances is classified as a flammable gas?
• What role does an impairment coordinator perform in a laboratory?
• Which part of the emergency procedure involves ensuring paths are clear for firefighters?
• What is required for personal supervision according to fire safety regulations?
• What is the maximum legal capacity for storing flammable liquids in a single container?
• When are signs indicating 'potentially hazardous substances' required to be displayed?
• Which type of fire uses water type extinguishers as the appropriate method of extinguishment?
• Which of the following is NOT considered a flammable liquid?
• Which of the following should compressed gas containers be kept away from?
• What does general supervision entail regarding hazardous materials?
• What does the boiling point of a liquid represent?