Podcast
Questions and Answers
What is ignition temperature?
What is ignition temperature?
- The maximum temperature needed to initiate combustion
- The average temperature at which a material burns
- The minimum temperature needed to initiate self-sustained combustion (correct)
- The temperature at which a substance starts glowing
What is adiabatic compression?
What is adiabatic compression?
- Compressing a gas to generate light
- Producing heat by compressing a liquid or gas (correct)
- Cooling a liquid or gas by compressing it quickly
- Expanding a gas to increase its temperature
What can cause spontaneous heating?
What can cause spontaneous heating?
- External heat sources
- Contact with cold surfaces
- Lack of oxygen
- Oxidation giving off heat (correct)
Under what conditions can spontaneous heating lead to ignition?
Under what conditions can spontaneous heating lead to ignition?
What are hypergolic mixtures mainly used for?
What are hypergolic mixtures mainly used for?
How are friction sparks created?
How are friction sparks created?
Which method of heat transfer involves the movement of air or liquid?
Which method of heat transfer involves the movement of air or liquid?
Which of the following is a good heat conductor?
Which of the following is a good heat conductor?
What is the major source of fire spread influenced by convection?
What is the major source of fire spread influenced by convection?
Which product is released as heat and flame when a fuel burns?
Which product is released as heat and flame when a fuel burns?
What is the main difference between heat waves (infrared rays) and light waves?
What is the main difference between heat waves (infrared rays) and light waves?
Which method of heat transmission involves the transfer of energy as an electromagnetic wave without an intervening medium?
Which method of heat transmission involves the transfer of energy as an electromagnetic wave without an intervening medium?
What is the main difference between gases and vapours in terms of volume?
What is the main difference between gases and vapours in terms of volume?
What will happen if a gas or vapour has a vapour density less than air?
What will happen if a gas or vapour has a vapour density less than air?
Which components are described by the Fire Triangle as necessary to create fire?
Which components are described by the Fire Triangle as necessary to create fire?
What happens if any one of the components in the Fire Triangle is removed?
What happens if any one of the components in the Fire Triangle is removed?
What does the Fire Tetrahedron provide an explanation for?
What does the Fire Tetrahedron provide an explanation for?
Which of the following is NOT one of the components of the Fire Tetrahedron?
Which of the following is NOT one of the components of the Fire Tetrahedron?
What does the numeral in the fire extinguisher classification indicate?
What does the numeral in the fire extinguisher classification indicate?
What does the letter in the fire extinguisher classification refer to?
What does the letter in the fire extinguisher classification refer to?
How is 'appreciable depth' defined in relation to flammable liquid?
How is 'appreciable depth' defined in relation to flammable liquid?
What does a 'dual or triple classification' on a fire extinguisher imply?
What does a 'dual or triple classification' on a fire extinguisher imply?
What is the basis of fire extinguisher classification according to the text?
What is the basis of fire extinguisher classification according to the text?
How does an expert compare to a novice in terms of fire extinguishing capacity with the same quantity of agent?
How does an expert compare to a novice in terms of fire extinguishing capacity with the same quantity of agent?
Which extinguishing agent absorbs more heat per volume than any other agent?
Which extinguishing agent absorbs more heat per volume than any other agent?
Which type of fire extinguisher is generally safe only for Class A fires and is electrically conductive?
Which type of fire extinguisher is generally safe only for Class A fires and is electrically conductive?
Which type of foam has excellent wetting and penetrating properties due to low surface tension?
Which type of foam has excellent wetting and penetrating properties due to low surface tension?
What can happen if water is used as an extinguishing agent in a confined or unventilated space?
What can happen if water is used as an extinguishing agent in a confined or unventilated space?
What is one limitation of Dry Chemical extinguishers?
What is one limitation of Dry Chemical extinguishers?
What is the primary advantage of Wet Agents in fire extinguishing?
What is the primary advantage of Wet Agents in fire extinguishing?
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