Podcast
Questions and Answers
What percentage of oxygen is needed to produce fire in the presence of fuel and heat?
What percentage of oxygen is needed to produce fire in the presence of fuel and heat?
- 12%
- 16%
- 21% (correct)
- 14%
Which element is the most abundant of all elements?
Which element is the most abundant of all elements?
- Argon
- Nitrogen
- Oxygen (correct)
- Hydrogen
What is the flash point of a material?
What is the flash point of a material?
- Highest liquid temperature at which a liquid gives off vapors
- Lowest liquid temperature at which a liquid gives off vapors capable of forming an ignitable mixture (correct)
- Temperature at which a liquid catches fire
- Temperature at which the vapors of a material will continue to burn for at least five seconds after ignition
What is an oxidizing agent?
What is an oxidizing agent?
Which gas composes 78% of air?
Which gas composes 78% of air?
What is the fire point of a fuel?
What is the fire point of a fuel?
How is electrical heat typically generated?
How is electrical heat typically generated?
Which of the following is NOT a source of electrical heat generation?
Which of the following is NOT a source of electrical heat generation?
In what way does compressed gas produce heat?
In what way does compressed gas produce heat?
Which method of heat transfer involves molecular activity within a material?
Which method of heat transfer involves molecular activity within a material?
What is the underlying factor in convection for heat transfer?
What is the underlying factor in convection for heat transfer?
What is the primary mechanism behind the pain felt when touching a hot stove?
What is the primary mechanism behind the pain felt when touching a hot stove?
Which type of heat transfer involves the motion of matter?
Which type of heat transfer involves the motion of matter?
What is the primary method by which energy in the form of heat can be transferred between bodies?
What is the primary method by which energy in the form of heat can be transferred between bodies?
'Superheated pipes, steel girders, and structural members' mentioned in the text are primarily associated with which kind of heat transfer?
'Superheated pipes, steel girders, and structural members' mentioned in the text are primarily associated with which kind of heat transfer?
