100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
IFSTA 10th Edition Test 4 Exam With Best Solutions $18.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. IFSTA 10th Edition
  4.  
  5. IFSTA 10th Edition

Exam (elaborations)

IFSTA 10th Edition Test 4 Exam With Best Solutions

1 review
 9 views  0 purchase
  • Course
  • IFSTA 10th Edition
  • Institution
  • IFSTA 10th Edition

IFSTA 10th Edition Test 4 Exam With Best Solutions What occurs when a mixture of fuel and oxygen encounter an external heat source with sufficient heat or thermal energy to start the combustion reaction? (120) [4.3.11] A. Autoignition B. Piloted ignition C. Kinetic ignition D. Sustained ig...

[Show more]

Preview 2 out of 14  pages

Document information

  • September 28, 2023
  • 14
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

Written for

  • IFSTA 10th Edition
  • IFSTA 10th Edition

1  review

review-writer-avatar

By: BestAcademic • 5 months ago

Seller

avatar-seller
BESTSTUVIA

Reviews received

Content preview

IFSTA 10th Edition Test 4 Exam With Best Solutions What occurs when a mixture of fuel and oxygen encounter an external heat source with sufficient heat or thermal energy to start the combustion reaction? (120) [4.3.11] A. Autoignition B. Piloted ignition C. Kinetic ignition D. Sustained ignition - Answer B. Piloted ignition The minimum temperature at which a fuel in the air must be heated in order to start self - sustained combustion is known as the: (122) [4.3.11] A. autoignition temperature (AIT). B. piloted ignition temperature (PIT). C. lower explosive (flammable) limit (LEL). D. upper explosive (flammable) limit (UEL). - Answer A. autoignition temperature (AIT). What causes flaming combustion to occur? (123) [4.3.11] A. A solid fuel encounters an open flame and entrain enough air to ignite. B. A gaseous fuel encounters an external heat source and experience piloted ignition. C. A gaseous fuel mixes with an adequate amount of oxygen and heats to ignition temperature. D. A solid fuel mixes with an adequate amount of liquid fuel to be able to sustain an open burning flame. - Answer C. A gaseous fuel mixes with an adequate amount of oxygen and heats to ignition temperature. What is the cause of most fire deaths? (124) [4.3.10, 4.3.11] A. Injuries caused by falling materials or structural collapse B. Exposure to toxic gases found in smoke and/or lack of oxygen C. Exposure to extreme heat and/or contact with flames and hot surfaces D. Accidental injuries sustained during escape and/or evacuation procedures - Answer B. Exposure to toxic gases found in smoke and/or lack of oxygen Fires involve a heat-producing chemical reaction between fuel and: (117) [4.3.11] A. a catalyst. B. an oxidizer. C. free radicals. D. a reducing agent. - Answer B. an oxidizer 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: (118) [4.3.11] A. dissolution. B. metamorphosis. C. chemical reaction. D. physiological change. - Answer C. chemical reaction Which statement about energy and combustion is accurate? (120) [4.3.11] A. A fuel's chemical energy is the result of rapid vibrations in the molecules. B. Chemical and physical changes almost never involve an exchange of energy. C. A fuel's potential energy releases during combustion and converts to kinetic energy. D. Chemical changes involve an exchange of energy; physical changes involve no energy exchange. - Answer C. A fuel's potential energy releases during combustion and converts to kinetic energy. Which element of the fire tetrahedron is included to explain flaming (gas -phase) combustion? (120) [4.3.11] A. Fuel B. Heat C. Oxygen D. Chemical chain reaction - Answer D. Chemical chain reaction Which statement about the dangers of products of combustion is accurate? (124)

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 BESTSTUVIA. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $18.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

62491 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
$18.99
  • (1)
  Add to cart