FREE AND STUDY GAMES ABOUT FF CHAPTER 13 EXAM

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FREE AND STUDY GAMES ABOUT FF CHAPTER 13 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -102 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: How is friction loss overcome or reduced

Answer:

Increasing hose size Increasing pump pressure Adding parellel lines Removing kinks and bends

Question 2: What is friction loss

Answer:

Total water pressure lost while forcing water through pipes, fittings, hose, and appliances

Question 3: When are the times one firefighter controls a small hose line

Answer:

Small NCF Vehicle fire Rekindle during overhaul Rubbish/trash fire Outbuilding fire

Question 4: When is a ball valve opened or close

Answer:

Opened when handle is in line with hose Closed when handle is out of line with hose

Question 5: When can an outside stretch for improvising a standpipe be used

Answer:

When going to lower level floors

Question 6: What must occur for a hose stream to qualified as effective

Answer:

Steam does not lose its continuity until it reaches the point where it loses forward momentum

Cohesive enough to maintain its original shape and required height

Question 7: What is a static water supply source

Answer:

Source of water that can be accessed through drafting

Question 8: What can happen if you open a hydrant to fast

Answer:

Hose lines flail uncontrollably

Question 9: When are a hydrants discharge outlets considered standard

Answer:

At least one large outlet 4-4.5 inch diameter

Two hose outlets 2.5 inch diameter

Question 10: What are the three key components to water shuttle operations

Answer:

Dump site at fire Fill site at water source Mobile water supply apparatus

Question 11: What are the three main functions any nozzle performs

Answer:

Controlling water flow Creating reach Shaping the hose stream

Question 12: What is the safest way to advance fire hose up a ladder

Answer:

Uncharged

Question 13: What does a large diameter hose appliance do

Answer:

Allow water to be distributed at points along the main supply line

Question 14: What can the accumulation of water cause in a structure

Answer:

Added weight effecting structural integrity and collapse potential

Question 15: What is a constant gallonage fog nozzle

Answer:

Nozzle with an adjustable pattern that discharges a specific amount no matter the pattern at a specified pressure

Question 16: What must effective hose stream meet or exceed

Answer:

The critics flow rate

Question 17: When is a butterfly valve used

Answer:

Large pumper intakes

Question 18: What are examples of fire hydrant connection tools

Answer:

Spanner wrenches Hydrant wrench Rubber mallet Gate valve

Hydrant valve Question 19: What NFPA standard sets standards on threads per inch for fire hydrant connections

Answer:

NFPA 1963

Question 20: What does a butterfly valve use

Answer:

Flat baffle that turns 90 degrees Question 21: What is the minimum amount of firefighters required for handling hose interior

Answer:

Two

Question 22: How can portable tanks be interconnected

Answer:

Their drain fittings or a jet siphon Question 23: What are the four basic methods to unload water out of an apparatus

Answer:

Gravity dumping Jet assist dumps Apparatus mounted pumps Combination

Question 24: What are the 4 basic types of hose appliances

Answer:

Valves Valve devices Fittings Intake strainers

Question 25: What do hose bridges/Ramps prevent

Answer:

Damage to the hose from vehicles driving over them