CPS CPS Firefighter Test Fire Science and Firefighting Principles 3

Question 1

In firefighting terminology, what is an 'exposure'?

Accepted Answer

A structure or area adjacent to the fire that may be endangered by heat or flame spread

Answer

A window opened for tactical ventilation

Answer

A firefighter's personal protective equipment rating

Answer

The total time a crew spends inside a hot zone

Question 2

What is the primary danger of carbon monoxide (CO) in a structure fire?

Accepted Answer

It is colorless and odorless, making it undetectable without instruments

Answer

It is highly visible and causes occupant panic

Answer

It accelerates the rate of flame spread throughout the structure

Answer

It rapidly corrodes metal firefighting equipment

Question 3

Which nozzle pattern is BEST for cooling a superheated ceiling and slowing flashover development?

Accepted Answer

Wide fog pattern

Answer

Straight stream

Answer

Narrow fog pattern

Answer

Solid bore stream

Question 4

What does the 'two-in, two-out' rule require at a structure fire?

Accepted Answer

When firefighters enter an IDLH atmosphere, at least two must remain outside ready to assist

Answer

Two hose lines must enter through two separate doorways

Answer

Two attack crews and two supply crews must be staged at every scene

Answer

Two entry points and two exit routes must be identified before interior operations begin

Question 5

What is a 'primary search' in firefighting operations?

Accepted Answer

A rapid, systematic sweep of a burning structure to locate and rescue victims before fire is controlled

Answer

The first pre-shift inspection of a fire apparatus

Answer

The initial direct attack on the fire's point of origin

Answer

A review of pre-incident plans conducted before entry

Question 6

Heat transfer through the movement of heated gases or liquids is called:

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Answer

Pyrolysis