Emergency Response: Size-up and Command Structure

What is the primary goal of size up in a rescue operation?

To accomplish a safe and efficient rescue operation

What type of information is building occupancy based on time of day classified as?

Probable

What is the main purpose of hazard assessment in a rescue operation?

To identify and evaluate hazards that may be encountered during the rescue operation

What is the first step in the size up process?

Information gathered from the initial call Signup and view all the answers

What is considered unacceptable in a rescue operation?

Acting independently of command instruction Signup and view all the answers

What is the primary purpose of gathering information during size up?

To evaluate the situation and make informed decisions Signup and view all the answers

What is a necessary step before extinguishing a fire?

Complete electrical energy isolation and lockout Signup and view all the answers

What is the primary hazard when working with electrical equipment?

Arc flash hazard from improper use Signup and view all the answers

What should emergency personnel do if a fallen wire lies across a vehicle with occupants?

Instruct occupants to stay where they are until electrical crews arrive Signup and view all the answers

Why should emergency personnel not touch any part of the vehicle?

They may be electrocuted, even with rubber gloves Signup and view all the answers

What should the operator do if a fallen wire lies under their vehicle?

Try to move the vehicle clear of the wire Signup and view all the answers

What is a key consideration when moving a vehicle clear of a fallen wire?

Avoiding contact with the live wire Signup and view all the answers

What is a major hazard to operators of equipment used during trenching and excavation activities?

Buried power and communication lines Signup and view all the answers

What should be assumed about all electrical wires and equipment until proven otherwise?

They are energized Signup and view all the answers

What is the primary purpose of establishing an exclusion zone when dealing with downed power lines?

To prevent electrical shocks Signup and view all the answers

Why should mine rescue teams ensure that energy isolation is complete prior to conducting rescue operations?

To prevent electrical hazards Signup and view all the answers

What should be used when working near energy sources as per site-specific isolation procedures?

Lock-out/tag-out devices Signup and view all the answers

What can damaged electrical lines do when energized or as a result of the wire's coil memory?

Move significant distances Signup and view all the answers

What is the purpose of using a Concentration Equivalent (Ceq) formulae?

For shifts longer than an eight-hour workday and a 40-hour workweek Signup and view all the answers

What is the 5-2 Threshold Limit Value – Short Term Exposure Limit (TLV-STEL) intended to prevent?

Irritation, chronic or irreversible tissue damage, or narcosis Signup and view all the answers

How often can exposures at the STEL be repeated per day?

Up to four times per day Signup and view all the answers

What is the minimum time required between successive exposures at the STEL?

60 minutes Signup and view all the answers

What is the duration of a STEL exposure?

15 minutes Signup and view all the answers

When can a period other than 15 minutes be recommended for a STEL?

When observed biological effects warrant it Signup and view all the answers

What is the characteristic of sulphur dioxide that makes it dangerous in low-lying areas?

It is a heavy gas Signup and view all the answers

What is the effect of sulphur dioxide on the respiratory tract and lungs?

It causes a life-threatening condition from accumulation of fluid Signup and view all the answers

What is the effect of sulphur dioxide on the eyes?

It causes mild irritation to severe burns Signup and view all the answers

How is sulphur dioxide produced?

Through heating, burning, or blasting sulphide ores Signup and view all the answers

What is the effect of sulphur dioxide on the skin?

Causes stinging pain, redness of the skin and blisters Signup and view all the answers

At what concentration of sulphur dioxide in the atmosphere does it cause mild to severe irritation to eyes, nose and throat?

More than 0.25 ppm Signup and view all the answers

Emergency Response: Size-up and Command Structure

Questions and Answers

What is the primary goal of size up in a rescue operation?

What type of information is building occupancy based on time of day classified as?

What is the main purpose of hazard assessment in a rescue operation?

What is the first step in the size up process?

What is considered unacceptable in a rescue operation?

What is the primary purpose of gathering information during size up?

What is a necessary step before extinguishing a fire?

What is the primary hazard when working with electrical equipment?

What should emergency personnel do if a fallen wire lies across a vehicle with occupants?

Why should emergency personnel not touch any part of the vehicle?

What should the operator do if a fallen wire lies under their vehicle?

What is a key consideration when moving a vehicle clear of a fallen wire?

What is a major hazard to operators of equipment used during trenching and excavation activities?

What should be assumed about all electrical wires and equipment until proven otherwise?

What is the primary purpose of establishing an exclusion zone when dealing with downed power lines?

Why should mine rescue teams ensure that energy isolation is complete prior to conducting rescue operations?

What should be used when working near energy sources as per site-specific isolation procedures?

What can damaged electrical lines do when energized or as a result of the wire's coil memory?

What is the purpose of using a Concentration Equivalent (Ceq) formulae?

What is the 5-2 Threshold Limit Value – Short Term Exposure Limit (TLV-STEL) intended to prevent?

How often can exposures at the STEL be repeated per day?

What is the minimum time required between successive exposures at the STEL?

What is the duration of a STEL exposure?

When can a period other than 15 minutes be recommended for a STEL?

What is the characteristic of sulphur dioxide that makes it dangerous in low-lying areas?

What is the effect of sulphur dioxide on the respiratory tract and lungs?

What is the effect of sulphur dioxide on the eyes?

How is sulphur dioxide produced?

What is the effect of sulphur dioxide on the skin?

At what concentration of sulphur dioxide in the atmosphere does it cause mild to severe irritation to eyes, nose and throat?

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Upgrade to continue

Emergency Response: Size-up and Command Structure

Questions and Answers

What is the primary goal of size up in a rescue operation?

What type of information is building occupancy based on time of day classified as?

What is the main purpose of hazard assessment in a rescue operation?

What is the first step in the size up process?

What is considered unacceptable in a rescue operation?

What is the primary purpose of gathering information during size up?

What is a necessary step before extinguishing a fire?

What is the primary hazard when working with electrical equipment?

What should emergency personnel do if a fallen wire lies across a vehicle with occupants?

Why should emergency personnel not touch any part of the vehicle?

What should the operator do if a fallen wire lies under their vehicle?

What is a key consideration when moving a vehicle clear of a fallen wire?

What is a major hazard to operators of equipment used during trenching and excavation activities?

What should be assumed about all electrical wires and equipment until proven otherwise?

What is the primary purpose of establishing an exclusion zone when dealing with downed power lines?

Why should mine rescue teams ensure that energy isolation is complete prior to conducting rescue operations?

What should be used when working near energy sources as per site-specific isolation procedures?

What can damaged electrical lines do when energized or as a result of the wire's coil memory?

What is the purpose of using a Concentration Equivalent (Ceq) formulae?

What is the 5-2 Threshold Limit Value – Short Term Exposure Limit (TLV-STEL) intended to prevent?

How often can exposures at the STEL be repeated per day?

What is the minimum time required between successive exposures at the STEL?

What is the duration of a STEL exposure?

When can a period other than 15 minutes be recommended for a STEL?

What is the characteristic of sulphur dioxide that makes it dangerous in low-lying areas?

What is the effect of sulphur dioxide on the respiratory tract and lungs?

What is the effect of sulphur dioxide on the eyes?

How is sulphur dioxide produced?

What is the effect of sulphur dioxide on the skin?

At what concentration of sulphur dioxide in the atmosphere does it cause mild to severe irritation to eyes, nose and throat?

More Quizzes Like This

SFD.069 - High &amp; Low Angle Rescue Operations

Search Patterns and Communication in Rescue Operations

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SFD.069 - High & Low Angle Rescue Operations