IFSTA 7 - Chapter 13 - Hose Operations and Hose Streams Exam Questions And Answers 100% Solved

IFSTA 7 - Chapter 13 - Hose Operations and Hose Streams Exam Questions And Answers 100% Solved Which type of nozzle has a straight, smooth tip and produces a solid stream of water? Select one: a.Straight stream nozzle b.Cellar nozzle c.Smooth bore nozzle d.Fog nozzle c. Smooth bore nozzle What is one advantage of the minuteman load? Select one: a.It puts less weight on the shoulders of the firefighters carrying the hose. b.It requires the use of an adapter or reducer. c.The hose does not drag on the ground. d.It is the most effective deployment method for LDH hose. c. The hose does not drag on the ground. Which type of valve device is used to divide one hoseline into two or more hoselines? Select one: a.Water thief b.Gate valve c.Wye appliance d.Siamese appliance c. Wye appliance A spanner wrench is designed to: Select one: en or loosen coupling connections. over most standard hydrant operating nuts. ol the flow of water through a hoseline. e discharge caps from fire hydrant outlets. a. tighten or loosen coupling connections. Friction loss causes: Select one: ed water flow and pressure at the nozzle. b.a water pressure surge that can damage the hose. e to the hose lining and couplings. nozzle to be difficult to control. a. reduced water flow and pressure at the nozzle. Which type of hydrant is used in climates with prolonged periods of below-freezing temperatures? Select one: a.Wet-barrel hydrant b.Dry-barrel hydrant c.Steamer hydrant d.Gate-valved hydrant b. Dry-barrel hydrant Water extinguishes fire by: Select one: bing heat and cooling the burning material. rupting the chemical chain reaction necessary for combustion. ing the amount of available oxygen. izing into steam. a. absorbing heat and cooling the burning material. When advancing a hoseline into a structure, firefighters should: Select one: s use an uncharged line, since it weighs much less. open the nozzle fully and check for adequate water flow. the entry door chocked open to ensure fast entry. on opposite sides of the hose to best stabilize it. b. first open the nozzle fully and check for adequate water flow. In which operation would the pumping apparatus start at the fire scene and lay a supply line back to the water source? Select one: a.Forward lay b.Mobile relay operation c.Standpipe connection d.Reverse lay d. Reverse lay Which is a characteristic of fog streams? Select one: a.Longer reach than solid or straight streams b.Created by cellar nozzles or piercing nozzles c.Less affected by wind than solid or straight streams d.Can be adjusted to suit the situation d. Can be adjusted to suit the situation A _____ valve is used to control the flow of water from a fire hydrant. Select one: rfly er a. gate Which hose deployment tool is used to protect the hose when it is dragged over sharp corners, such as a windowsill? Select one: a.Hose rope b.Hose strap c.Hose roller d.Hose bridge c. Hose roller In order to prevent obstructions when advancing a charged hoseline down a stairway, excess hose should be: Select one: d and stored for later use. ched to the opening of the fire compartment. to the right side of the stairwell. ched outside the stairway. d. stretched outside the stairway. Mobile water supply operations, such as water shuttles or relay pumping, must be performed: Select one: metropolitan areas that have a high rate of public water consumption. hydrant connections are too difficult to make. rural areas without public water distribution systems. hydrant testing is not up to date. c. in rural areas without public water distribution systems. Master stream devices are usually deployed when: Select one: fire is too large to be controlled by handlines. b.a structure is more than six stories tall. is an increased risk of flashover. fire is below ground level. a. the fire is too large to be controlled by handlines. Which type of hose fitting is used to attach a smaller hose to the end of a larger hose? Select one: a.Reducer b.Hose clamp c.Hose bridge d.Butterfly valve a. Reducer A nozzle operator can control the _____ by cradling the hoseline under one arm and evenly distributing his or her weight on both feet while operating the nozzle. Select one: rate e reaction ion loss hammer b. nozzle reaction The _____ lay can delay initial fire attack because attack hose, tools, and equipment must be removed from the apparatus and placed at the fire scene before the apparatus proceeds to the water source. Select one: ard rd se nation se Which method is used to quickly and easily advance charged hoselines at ground level? Select one: a.Triple layer line drag b.Accordion line drag c.Working line drag d.Minuteman line drag c.Working line drag