3A2E3 C15 Obj 8

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Questions and Answers

Which type of fire protection system is typically installed internally in tanks containing flammable or combustible liquids?

Sprinkler systems

Smoke detectors

Fire extinguishers

Air-foam generating and distributing devices (correct)

What is the purpose of foam chambers in large fuel storage tanks?

To detect fires in the tanks

To prevent clogging of foam-makers

To supply foam solution to each foam-maker (correct)

To prevent vapour from entering the foam piping

What is the purpose of frangible seals in foam chambers?

To prevent clogging of foam-makers

To prevent vapour from entering the foam piping

To detect fires in the tanks

To burst when foam pressure is applied (correct)

Which type of foam-discharge outlet is required for some alcohol-type foams?

Type I Signup and view all the answers

What are central foam distributing systems?

Systems that consist of an enclosure that houses a foam concentrate supply tank and a proportioning device Signup and view all the answers

What are semi-fixed systems used for?

To extinguish fires in storage tanks Signup and view all the answers

What do foam-making sprinklers and deluge or spray nozzles using AFFF foams replace?

Water sprinkler nozzles Signup and view all the answers

Which type of fire protection system is typically installed internally in tanks containing flammable or combustible liquids?

Foam chambers Signup and view all the answers

What is the purpose of frangible seals in foam chambers?

To burst when foam pressure is applied Signup and view all the answers

What do foam chambers with foam-makers installed at equally spaced positions slightly below the top rim of large fuel storage tanks prevent?

Ignition of flammable contents of the tank Signup and view all the answers

Which type of foam-discharge outlet is required for some alcohol-type foams?

Type I Signup and view all the answers

What is the purpose of frangible seals in foam chambers?

To prevent foam from plunging into the fuel Signup and view all the answers

What do foam-making sprinklers and deluge or spray nozzles using AFFF foams replace?

Water sprinkler nozzles Signup and view all the answers

Which type of fire protection system is typically installed internally in tanks containing flammable or combustible liquids?

Central foam distributing systems Signup and view all the answers

What are central foam distributing systems?

Systems that consist of an enclosure that houses a foam concentrate supply tank and a proportioning device Signup and view all the answers

What are semi-fixed systems used for?

To control or extinguish fires in areas where flammable and combustible liquids are processed, stored, or handled Signup and view all the answers

What is the purpose of foam chambers in large fuel storage tanks?

To prevent foam from plunging into the fuel Signup and view all the answers

Which type of foam-discharge outlet is required for some alcohol-type foams?

Deluge or spray nozzles Signup and view all the answers

What is the purpose of central foam distributing systems?

To supply foam solution to each foam-maker simultaneously Signup and view all the answers

What do foam chambers with foam-makers installed at equally spaced positions slightly below the top rim of large fuel storage tanks prevent?

Vapour from entering the foam piping Signup and view all the answers

Which type of foam-discharge outlet is required for some alcohol-type foams?

Type I outlet Signup and view all the answers

What is the purpose of frangible seals in foam chambers?

To allow foam to be applied to the burning surface without plunging into the fuel Signup and view all the answers

What do foam chambers with foam-makers installed at equally spaced positions slightly below the top rim of large fuel storage tanks prevent?

Plunging of foam into the fuel Signup and view all the answers

What do foam-making sprinklers and deluge or spray nozzles using AFFF foams replace?

Water sprinkler nozzles Signup and view all the answers

Study Notes

Fire Protection Systems for Flammable Liquids

Internally installed fire protection systems in tanks containing flammable or combustible liquids typically use a foam-based system.

Foam Chambers and Frangible Seals

Foam chambers are installed in large fuel storage tanks to prevent fire spread and provide a barrier between the fuel and air.
Frangible seals in foam chambers burst under pressure, allowing foam to flow into the tank and suppress fires.

Foam-Discharge Outlets

Some alcohol-type foams require a specific type of foam-discharge outlet.

Central Foam Distributing Systems

Central foam distributing systems supply foam to multiple areas, providing a comprehensive fire protection system.

Semi-Fixed Systems

Semi-fixed systems are used for areas where a fixed system is not feasible, providing a flexible fire protection solution.

Foam-Making Sprinklers and Deluge/Spray Nozzles

Foam-making sprinklers and deluge or spray nozzles using AFFF foams replace traditional sprinkler systems, providing a more effective fire suppression method.

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Description

Test your knowledge on foam systems for fire protection in process buildings and tanks. Learn about the purpose and components of a typical foam system.

3A2E3 C15 Obj 8

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Podcast

Questions and Answers

Which type of fire protection system is typically installed internally in tanks containing flammable or combustible liquids?

What is the purpose of foam chambers in large fuel storage tanks?

What is the purpose of frangible seals in foam chambers?

Which type of foam-discharge outlet is required for some alcohol-type foams?

What are central foam distributing systems?

What are semi-fixed systems used for?

What do foam-making sprinklers and deluge or spray nozzles using AFFF foams replace?

Which type of fire protection system is typically installed internally in tanks containing flammable or combustible liquids?

What is the purpose of frangible seals in foam chambers?

What do foam chambers with foam-makers installed at equally spaced positions slightly below the top rim of large fuel storage tanks prevent?

Which type of foam-discharge outlet is required for some alcohol-type foams?

What is the purpose of frangible seals in foam chambers?

What do foam-making sprinklers and deluge or spray nozzles using AFFF foams replace?

Which type of fire protection system is typically installed internally in tanks containing flammable or combustible liquids?

What are central foam distributing systems?

What are semi-fixed systems used for?

What is the purpose of foam chambers in large fuel storage tanks?

Which type of foam-discharge outlet is required for some alcohol-type foams?

What is the purpose of central foam distributing systems?

What do foam chambers with foam-makers installed at equally spaced positions slightly below the top rim of large fuel storage tanks prevent?

Which type of foam-discharge outlet is required for some alcohol-type foams?

What is the purpose of frangible seals in foam chambers?

What do foam chambers with foam-makers installed at equally spaced positions slightly below the top rim of large fuel storage tanks prevent?

What do foam-making sprinklers and deluge or spray nozzles using AFFF foams replace?

Study Notes

Fire Protection Systems for Flammable Liquids

Foam Chambers and Frangible Seals

Foam-Discharge Outlets

Central Foam Distributing Systems

Semi-Fixed Systems

Foam-Making Sprinklers and Deluge/Spray Nozzles

Studying That Suits You

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