Question 636Deck Safety70% to pass
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by _______________.
AI Explanation
The correct answer is C) convection.
Ventilation systems connected to a compartment with a fire are normally closed to prevent the rapid spread of the fire by convection. Convection is the transfer of heat through the movement of a fluid, such as air. By closing the ventilation system, the flow of hot air and gases from the fire is restricted, which helps to contain the fire and prevent it from spreading quickly through the ventilation ducts.
The other answer choices are incorrect because:
A) Spontaneous combustion is not the primary mechanism by which fires spread through ventilation systems.
B) Conduction, the transfer of heat through direct contact, is not the main way fires spread through ventilation.
D) Radiation, the transfer of heat through electromagnetic waves, is not the primary mode of fire spread in this scenario.
Related Questions
#634 To prevent the spread of fire by conduction you should _______________.#635 The spread of fire is NOT prevented by _______________.#637 The atmosphere in a tank is too rich when it is _______________.#638 The atmosphere in a tank is too lean if it is _______________.#639 What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combustion?