Essentials of Fire Fighting 7th Edition - Chapter 13: Hose Operations and Hose Streams Practice Questions and Answers

Essentials of Fire Fighting 7th Edition - Chapter 13: Hose Operations and Hose Streams Practice Questions and Answers What type of hose stream has the lowest forward velocity? A. Solid stream B. Straight stream C. Wide-angle fog stream D. Narrow-angle fog stream - ANSWER-C. Wide-angle fog stream Chapter 13 - page 624 A hose fitting used to connect a smaller-diameter hose line to the end of a larger one is commonly called a(n): ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/44 A. Wye B. Adapter C. Reducer D. Water thief - ANSWER-C. Reducer Chapter 13 - page 601 What statement about dry-barrel hydrants is true? A. Horizontal compression valves are usually at each outlet B. They can only be used with pumpers that have drafting capabilities C. The stem nut used to open and close the control valve is on top of the hydrant D. They are all designed for use in climates that do not experience freezing temperatures - ANSWER- C. The stem nut used to open and close the control valve is on top of the hydrant ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/44 Chapter 13 - page 588 When a dry-barrel hydrant is open and there is a broken component in the hydrant barrel, you would see: A. Water discharging only from the largest outlet B. Water bubbling up out of the ground at the base C. Streams of water shooting from the steamer connection D. A sucking effect that can be heard from the discharge outlets - ANSWER-B. Water bubbling up out of the ground at the base Chapter 13 - page 589 What is a consideration for opening wet-barrel and dry-barrel hydrants? A. The barrels of all hydrants should be drained sufficiently when not in use B. All hydrants should be opened slowly, but can be closed quickly if necessary ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 4/44 C. Closing a hydrants too quickly can damage piping and appliances of adjacent residences D. As the main valve moves up, a drain valve is opened to allow water to drain from the barrel - ANSWER-C. Closing a hydrants too quickly can damage piping and appliances of adjacent residences Chapter 13 - page 592 What type of stream is designed for use in attics, cocklofts, basements, and other confined spaces? A. Fog B. Solid C. Broken D. Straight - ANSWER-C. Broken Chapter 13 - page 624 What hydrant discharge outlets are considered standard? ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 5/44 A. At least three hose outlets of any size B. At least two hose outlets for 2 1/2'' couplings C. At least two large outlets often referred to as steamer connections D. At least one large outlet (4'' or 4 1/2'') and two hose outlets for 2 1/2'' couplings - ANSWER-D. At least one large outlet (4'' or 4 1/2'') and two hose outlets for 2 1/2'' couplings Chapter 13 - page 588 What type of valve is used to control the flow from a hydrant? A. Ball valve B. Gate valve C. Clapper valve D. Butterfly valve - ANSWER-B. Gate valve Chapter 13 - page 600 ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 6/44 Swimming pools, large above-ground animal water tanks, and portable water tanks are considered to be: A. Static water sources B. Temporary drop sites C. Inadequate sources for drafting operations D. Access points on water distribution systems - ANSWER-A. Static water sources Chapter 13 - page 595 The velocity of a stream of water from a smooth bore nozzle is a result of: A. Hose diameter B. Pump pressure C. Nozzle pressure D. Volume of water - ANSWER-C. Nozzle pressur