100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
IFSTA 7 EXAM QUESTION BANK, QUESTIONS WITH COMPLETE SOLUTIONS (100% VERIFIED) $12.99   Add to cart

Exam (elaborations)

IFSTA 7 EXAM QUESTION BANK, QUESTIONS WITH COMPLETE SOLUTIONS (100% VERIFIED)

 19 views  0 purchase
  • Course
  • IFSTA
  • Institution
  • IFSTA

IFSTA 7 EXAM QUESTION BANK, QUESTIONS WITH COMPLETE SOLUTIONS (100% VERIFIED) IFSTA 7 EXAM QUESTION BANK, QUESTIONS WITH COMPLETE SOLUTIONS (100% VERIFIED) A compartment is any: - Answer open space with no complete fire barrier dividing it. A portable fire extinguisher must b...

[Show more]

Preview 4 out of 32  pages

  • August 14, 2024
  • 32
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IFSTA
  • IFSTA
avatar-seller
QuizGuider82
IFSTA 7 EXAM QUESTION BANK,
QUESTIONS WITH COMPLETE
SOLUTIONS (100% VERIFIED)

, IFSTA 7 EXAM QUESTION BANK,
QUESTIONS WITH COMPLETE
SOLUTIONS (100% VERIFIED)
A compartment is any: - Answer ✓✓open space with no complete fire barrier dividing it.

A portable fire extinguisher must be labeled with the: - Answer ✓✓letters and/or
symbols that designate its class rating.

An extinguishing agent, such as dry chemical or Halon-replacement agent, terminates
the combustion reaction by: - Answer ✓✓interfering with the chemical chain reaction.

Before entering the building or fire area, the firefighter who is assigned to the nozzle of
the attack hose should: - Answer ✓✓open the nozzle fully to check for adequate flow.

Class A portable fire extinguishers are rated from 1-A through 40-A based upon the
amount of water and: - Answer ✓✓duration and range of discharge used in
extinguishing test fires

Class K fires involve: - Answer ✓✓cooking oils

Class K rated extinguishers work because of _____, which converts fatty acids into a
soapy film. - Answer ✓✓saponification

During overhaul, prying tools can be used to: - Answer ✓✓remove baseboards and
window frames.

During the _____ stage of fire development, the three elements of the fire triangle come
together and the combustion process begins. - Answer ✓✓incipient

Extinguish any fire near the _____ first when attacking a vehicle fire - Answer ✓✓
occupants

Fires develop through four stages: incipient, growth, _____, and decay. - Answer ✓✓
fully developed

Heat that is radiated to the insulating air layer between PPE and your body: - Answer ✓
✓can cause heat stress and failure of the PPE.

How does a compartment fire affect pressure in and around gases in the compartment?
- Answer ✓✓Heat from a fire increases the pressure of the surrounding gases.

,How would a fire containing plastics be classified? - Answer ✓✓Class A

Hydrogen cyanide (HCN) is a product of combustion that: - Answer ✓✓targets the
brain after being inhaled, ingested, or absorbed into the body.

If a firefighter aims a solid or straight stream at the ceiling so that water will rain down
and extinguish the burning item, he or she is using a(an): - Answer ✓✓indirect attack

If a firefighter aims a solid stream at an item that is on fire and applies water until the
item is no longer burning, he or she is using a(an): - Answer ✓✓direct attack

In a compartment fire, smoke flashover indicators include rapidly increasing volume,
turbulence, optical density, and: - Answer ✓✓darkening color

In a ventilation-limited compartment fire that has a large volume of flammable gases,
opening a door or window could result in: - Answer ✓✓backdraft

In the fire environment, convection usually involves the transfer of heat through: -
Answer ✓✓the movement of hot smoke and fire gases

Materials that burn at normal oxygen levels will burn more intensely in _____
atmospheres. - Answer ✓✓oxygen-enriched

Observed from the exterior, a high neutral plane may indicate that the fire is in the early
stages of development, or could indicate: - Answer ✓✓a fire above your level.

Overhaul operations include: - Answer ✓✓searching for hidden fires

Portable fire extinguishers are classified according to the: - Answer ✓✓type of fire they
are designed to extinguish.

Sawdust ignites more easily than a log because the sawdust has a higher: - Answer ✓
✓surface-to-mass ratio

The flow path of a structure fire is comprised of two regions: the ambient air flow in and
the: - Answer ✓✓hot exhaust flow out

The minimum temperature at which a fuel in the air must be heated in order to start self-
sustained combustion is known as the: - Answer ✓✓autoignition temperature (AIT).

The transfer of heat through and between solids is known as: - Answer ✓✓conduction

Trash container fires are likely to be fought using Class A foam or: - Answer ✓✓a
master stream

, What occurs when a mixture of fuel and oxygen encounters an external heat source
with sufficient heat or thermal energy to start the combustion reaction? - Answer ✓✓
smoke explosion

What should the attack team do if they open the door to a structure and observe a low
neutral plane and turbulent smoke? - Answer ✓✓Apply water to the hot gas layer, but
stay outside the structure

What will establish new flow paths between the fire compartment and exterior vents of
the building? - Answer ✓✓Firefighters advancing a hoseline through an open door or
ventilating windows to make entry into a building

What will occur if firefighters begin an attack on a ventilation-limited structure fire with
ventilation alone? - Answer ✓✓The fire's heat release rate and spread will
progressively increase as additional vents are made.

When a firefighter controls doors and windows during fire attack, it is an example of: -
Answer ✓✓oxygen exclusion

When a shed or other unattached structure is on fire, the primary objective is to: -
Answer ✓✓protect exposures

When a substance changes from one type of matter into another, such as two or more
substances combining to form compounds, the substance undergoes a: - Answer ✓✓
chemical reaction

When an extinguishing agent is determined to be safe and effective for use on
combustible metals, it will: - Answer ✓✓include application instructions on the
faceplate.

When attacking fire in stacked and piled materials, _____, then apply water or Class A
foam until extinguished. - Answer ✓✓use hooks or pike poles to break apart material

When firefighters apply water to the hot gas layer in a compartment, it will: - Answer ✓
✓reduce the radiant heat flux from the upper layer.

When performing a transitional attack, a _____ stream may be the best choice because
it will not upset the thermal layering as much as other stream patterns. - Answer ✓✓
straight

When solid fuels are heated, they begin to _____ and release fuel gases and vapors. -
Answer ✓✓pyrolize

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller QuizGuider82. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67866 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.99
  • (0)
  Add to cart