RST chapter 6

Question 1

Fire behavior indicators

Answer 1

• little or no visible flame
• inwardly drawn smoke(sucking phenomenon)
• confined or excessive heat in windowless buildings
• blistered paint
• color of flame
• smoke-stained windows with heat-induced cracking
  of glass
• pressurized smoke exiting small openings
• black smoke becoming dense gray-yellow
• smoke leaving building in puffs

Question 2

primary search

Answer 2

rapid but thorough search to determine the location of victims, performed before or during fire suppresion operations

Question 3

secondary search

Answer 3

slow thorough search to ensure that no occupants were overlooked during the primary search, conducted after the fire is under control.

Question 4

VEIS (vent,enter,isolate, search)

Answer 4

suspected of probable that a victim is present in a specific room or compartment within the structure and there is a direct access point to enter room…typically a window.

Question 5

considerations when choosing transitional attack

Answer 5

• arrival conditions
• location, size, and extent of fire
• available resources ( quantity and experience)
• size of structure
• structural features that may affect exterior suppression (such as deck or balcony)

Question 6

fire behavior indicators

Answer 6

• volume of smoke discharge
• location of smoke discharge
• smoke color,density and volecity
• type pf flow at ventilation opening
• location of neutral planeat ventilation opening.

Question 7

weather conditions

Answer 7

• wind
• temperature
• atmospheric pressure
• precipitation
• relative humidity

Question 8

negative pressure ventilation

Answer 8

is the oldest type of mechanical ventilation….personnel use a smoke ejectors to expel (pull) smoke from structure by developing artificial air flow

Question 9

considerations for negative - pressure ventilation

Answer 9

• typically not used to support fire attack
• requires smaller windows or openings that can be sealed around fan
• not to be used in a flammable environment

Question 10

personnel required for search and rescue and firefighting operations in a high rise…

Answer 10

is often four to six times as great as required for a fire typical low-rise building

Question 11

salvage defined as….

Answer 11

methods and procedures that firefighters use in an attempt to save property and reduce further damage from water ,smoke, heat, and exposure