3A2E3 C15 Obj 9

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Questions and Answers

Which of the following is a step in a typical emergency response procedure for a fire?

Complete a risk assessment of the situation (correct)

Turn your back on the fire

Contact the local fire department

Evacuate the area without assessing the situation

What type of fire protection system is used in areas where flammable and combustible liquids are processed, stored, or handled?

Dry chemical fire extinguisher

Foam-water sprinkler system (correct)

Water sprinkler system

Smoke detector system

What is the second-generation dry chemical fire extinguishing agent commonly referred to as?

Special-K

Special-Y

Purple-K (correct)

Purple-Y

What happens when two metals with different coefficients of thermal expansion are bonded together and then heated?

Differential expansion causes bending toward the metal with the higher expansion rate Signup and view all the answers

What do Class I standpipe systems provide?

65 mm hose and connections Signup and view all the answers

Which of the following is a characteristic of foam-making sprinklers?

They generate air-foam when supplied with a foam solution Signup and view all the answers

What is the purpose of a rate compensation detector?

To compensate for differences in thermal expansion in metals Signup and view all the answers

What is the operating principle of an obscuration smoke detector?

To detect the presence of smoke particles in the air Signup and view all the answers

Which of the following is the correct hose size for Class I standpipe systems?

65 mm Signup and view all the answers

Can you control and extinguish a fire using a foam-making sprinkler system?

Yes, it is reasonable to do so Signup and view all the answers

Which of the following is NOT a step in a typical emergency response procedure for a fire?

Evacuate the area or building Signup and view all the answers

What is the purpose of foam-making sprinklers in areas where flammable and combustible liquids are processed, stored, or handled?

To control and extinguish fires Signup and view all the answers

What is the dual capability of foam-water sprinkler systems equipped with foam-water nozzles?

Class A and B extinguishment ability Signup and view all the answers

What is the operating principle of rate compensation detectors?

They compensate for the rate of expansion of metals Signup and view all the answers

What is the purpose of closed-head sprinklers in fire protection systems?

To control and extinguish fires Signup and view all the answers

Study Notes

Emergency Response for Fires

A typical emergency response procedure includes steps such as alerting occupants, activating alarms, and calling emergency services.
A characteristic not included in emergency procedures often relates to non-emergency tasks, such as equipment maintenance.

Fire Protection Systems

Foam-making sprinklers are essential in areas where flammable and combustible liquids are processed, stored, or handled; they suppress fires effectively.
Second-generation dry chemical fire extinguishing agents are commonly referred to as "multi-purpose dry chemicals."

Thermodynamics of Metals

When two metals with different coefficients of thermal expansion are bonded together and heated, they can warp or bend due to the differing expansion rates.

Standpipe Systems

Class I standpipe systems provide a water source for firefighters, specifically for use with 2.5-inch hoses and connections.
The typical hose size for Class I standpipe systems is 2.5 inches.

Foam-Making Sprinklers

Foam-making sprinklers control and extinguish fires by applying a blanket of foam that smothers flames and prevents re-ignition.
Their purpose in environments with flammable liquids is to create a protective barrier over the liquid surface, minimizing vapor release and extinguishing flames immediately.

Detection Systems

Rate compensation detectors operate by monitoring changes in temperature and adjusting sensitivity in response to rapid temperature increases.
Obscuration smoke detectors function based on the principle that smoke reduces light transmission; they detect smoke by measuring light obscuration.

Special Features of Fire Protection Systems

Closed-head sprinklers are designed for specific applications, typically covering areas with sensitive materials, using compacted water patterns to minimize water damage.
Foam-water sprinkler systems equipped with foam-water nozzles have the dual capability of applying both water and foam, enhancing fire suppression effectiveness.

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Description

Test your knowledge on fire response procedures in industrial settings. Learn about emergency preparedness and the importance of having plans in place. Explore the necessary steps to effectively respond to a fire incident in an industrial plant.