BOOK 29, Truck company ops

Question 1

what are the advantages of positive ventilation?

Answer 1

personnel are not exposed to hazardous interior contaminates while positioning blowers
exterior positioned blowers are efficient in removing contaminates at the top, bottom, and corners of a room or building
reduced noise level

Question 2

if a gasoline blowe is being utilized for smoke remaval and an exhaust odor is noticeable inside the building, this is an indication of?

Answer 2

the exhaust opening is not large enough

Question 3

areas or locations that do not have exhaust openings can be effectively ventilated by?

Answer 3

using multiple blowers

Question 4

measurements during actual fire operations have indicated that positive pressure ventilation can reduce CO concentrations of 1000 ppm to approximately?

Answer 4

130 to 220 ppm

Question 5

overhaul operations are conducted for the purpose of all of the following?

Answer 5

ensuring the fire is completely out
determining the probable fire cause
leaving the owner or insurance adjusters some means of determining the loss

Question 6

for standard entrance opening, maximum effectiveness of positive pressure ventilation with multiple blowers is achieved with the placement of blowers?

Answer 6

in series

Question 7

removing screens from windows prior to using the window for ventilation purposes will increase the efficiency of these openings by at least?

Answer 7

50 percent

Question 8

buildings with multiple floors can be ventilated by systematically ventilating each floor starting ?

Answer 8

where there is the most heat and smoke

Question 9

water turbine blowers provide more than? the cubic feet of air per minute more than a like sized gasoline powered blower

Answer 9

twice

Question 10

positive pressure ventilation is most efficient when the exhaust opening is between? to ? the size o the entrance opening?

Answer 10

3/4, 1-3/4

Question 11

the effectiveness of using positive pressure ventilation during overhaul operations is determined by?

Answer 11

the size of the overhaul area
the type of overhaul materials
size and number of blowers being used

Question 12

when notifying OCD (MFD) of a sheared hydrant, which of the following information should be included?

Answer 12

hydrant location, if hydrant has been shut off, number of valves operated

Question 13

when a head is activated, water immediately flows from activated heads. the best describes what type of sprinkler system?

Answer 13

automatic wet pipe system

Question 14

to charge this system with water, it is necessary to for fire dept. apparatus to pump into the fire dept. connection to supply water to activated heads. this best describes what type of sprinkler system?

Answer 14

non automatic system

Question 15

all shut off valves should be slowly closed and opened to avoid?

Answer 15

water hammer

Question 16

fire hydrant gate valves should only be operated to?

Answer 16

shut down a sheared hydrant

Question 17

natural gas is ? than air, which results in escaping natural gas? and? dissipating?

Answer 17

lighter, rising, rapidly

Question 18

the national color code for newer installations of pipe transporting natural gas is?

Answer 18

yellow

Question 19

the first priority upon arrival on the scene of a reported natural gas incident is?

Answer 19

safety

Question 20

when dealing with a natural gas leak in a plastic pipe which of the following procedures should be initially performed when attempting to stop the leak?

Answer 20

fog down the plastic pipe with a wetting agent such as wet water to prevent ignition form static electricity

Question 21

considerations at a natural gas fire should include all of the following?

Answer 21

protect exposures
let the gas burn off until the supply is shut off
maintain site secruty

Question 22

natural gas leaks can be divided into? categories. while each leak has its own dangers and concerns, the greatest danger results from?

Answer 22

4

large diameter service lines

Question 23

what are the advantages of positive ventilation?

Answer 23

reduced noise level
personnel are not exposed to haz. interior contaminated while positioning blowers
exterior positioned blowers are efficient in removing contaminates at the top, bottom, and corners of a room or building

Question 24

the air rescue cushion rating is based on what factors?

Answer 24

maximum floor level from which a person may fall

the ability of the person falling to properly hit the target

Question 25

the cushion is inflated by a separate blower through an air tube or sock and comes with electric blower.

Answer 25

two, one half horsepower

Question 26

electricity for the blowers can be supplied by a variety of sources including?

Answer 26

on board generator
portable generator
110 AC power supply

Question 27

if an air cushion is torn or punctured during an opeation, it should?

Answer 27

not seriously affect its capability

Question 28

the air rescue cushion will fully inflate in?

Answer 28

less than 60 seconds

Question 29

if there is a potential for multiple jumpers, after jumping have the person immediately roll off cushion and allow? seconds for re inflation for readiness to take another jumper.

Answer 29

20

Question 30

if two jumpers must fall at the same time, they should be instructed to?

Answer 30

hug each other

Question 31

maintenance for the air rescue cushion includes all of the following?

Answer 31

the cushion shall be inspected after use
inspect the cushion monthly
minor cuts and tears can be repaired with the tear kit that accompanies the cushion
cushion can be cleaned with cold water and a deck brush

Question 32

if possible, the desired power supply for the air rescue cushion blowers is?

Answer 32

110 AC power supply

Question 33

the responsibility to move two, 18 inch gas powered blowers to the target area as a back up at an air rescue cushion deployment lies with?

Answer 33

200 series engineer

Question 34

the major difference in rescuing trapped passengers from hydraulic or cable elevators is?

Answer 34

method used to lower the elevator to the floor level

Question 35

hydraulic elevators are generally limited to ? story buildings.

Answer 35

6

Question 36

the equipment rooms for hydraulic elevators are normally located?

Answer 36

at the lower level of a building

Question 37

in the event of an earthquake, all elevators should be stopped with the ? and all equipment should be checked for damage prior to attempting to remove passengers.

Answer 37

main power switch

Question 38

when it has been determined that there is an inoperative elevator with trapped occupants, personnel equipped with portable radios should be positioned at which of the following locations?

Answer 38

elevator equipment room

floor where the elevator in inoperable

Question 39

natural gas pipelines may contain hazardous contaminants such a PCBs. if any liquid flows from a natural gas pipe, the proper procedures would be?

Answer 39

treat as a hazardous material and notify a Haz Mat company