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Members are in the kitchen discussing operations at natural gas emergencies. The members are a little rusty on the subject because they only made one correct point. Which one is correct?

A) Natural gas is delivered to NYC via pipeline at over 1400 psi.

B) Natural gas is regulated down to 300 psi for transmission gas mains.

C) Distribution gas mains run under streets and deliver either high pressure (40 psi), medium pressure (5-20 psi), or low pressure gas (1/2 psi).

D) High and medium pressure gas is regulated down to 1/2 psi before passing through a customer's meter.

B) Natural gas is regulated down to 300 psi for transmission to gas mains. (Correct) (TB Emergencies 2)

* Gas delivered to NYC at approx 700-1400 psi

* High pressure 60 psi
Medium pressure 3-15 psi
Low pressure 1/4 psi

* High and medium pressure gas is regulated down to 1/4 psi before entering customer meters.

1

One of the FDNY's many responsibilities is responding to various utility emergencies. Which characteristic about natural gas is inaccurate?

A) Natural gas is lighter than air.

B) It has an explosive range of 5-15%.

C) It has an ignition temperature of 1263 degrees Fahrenheit.

D) Natural gas is odorless, colorless, non toxic and is an asphyxiant.

C) It has an ignition temperature of 1263 degrees. (Incorrect)

*It's ignition temperature is 1163 degrees Fahrenheit.
(TB Emergencies 2)

2

Members of your company are operating at a utility gas emergency and take the following actions. Which action is not correct?

A) Upon encountering a white curb valve the member realizes that this valve is plastic and can be easily broken so he closes it gently.

B) Upon encountering an older curb valve the member is required to turn the valve multiple times to close. He knows it may take 7 1/2 to 15 full turns to close but should not turn the valve more than 15 times.

C) To clear an area inside of a structure of leaking gas, the Irons firefighter decides to use the department fan.

D) The Can firefighter decides to stuff a rag in the break of a low pressure gas pipe to stop or greatly diminish the leak.

C) To clear an area inside of a structure of leaking gas, the Irons firefighter decides to use the department fan. (Incorrect) (TB Emergencies 2)

* Department fans are not intrinsically safe and shall not be used during gas leaks.

* Stuffing rags in low pressure gas piping is ok, this won't work on high pressure pipes.

3

Utility companies such as Con Edison and Natural Grid may require the FDNY to pull manholes and various other tasks at natural gas emergencies. Of the choices below, which one is correct?

A) Electric sewer manholes can be removed by FDNY at the request of a utility company representative or with approval of a chief officer on scene.

B) Sewer manhole covers can be removed by FDNY with approval of a chief officer on scene.

C) Round manhole covers can be removed by two firefighters utilizing manhole hooks. Each battalion vehicle carries a manhole hook for this purpose.

D) It is safe for members to pull square or rectangular manhole covers.

B) Sewer manhole covers can be removed by FDNY with approval of a chief officer on scene. (Correct) (TB Emergencies 2)

* Sewer manhole covers = may be removed with chiefs OK
Electric manhole covers = need utility AND chief OK
2 firefighters should pull manhole
BC vehicles carry 2 manhole hooks
Do not pull square/rectangular covers

4

Which statement about the Altair digital gas meter is incorrect?

A) The normal oxygen reading of the Altair is 23.0%

B) The indoor action level is 10% LEL (alarm will sound)

C) The outdoor action level is 20% LEL (a diff. alarm will sound)

D) 3 crosses under the O2 icon indicated the oxygen level is above 25%.

A) The normal oxygen reading of the Altair is 23.0% (Incorrect) (TB Emergencies 3)

* Crosses under the comb/ex icon indicates the atmosphere is
above 100% LEL (explosive environment) DO NOT OPERATE
except for life saving purposes.

* Normal oxygen reading = 20.8%
Low oxygen alarm = 19.5%
High alarm = 23.0%

* Indoor action lvl = 10% LEL
Outdoor action lvl = 20% LEL

5

The high rise nozzle is a relatively new piece of equipment utilized by the FDNY and can be implemented by the IC as an alternative strategy at a high rise fire. Which statement regarding the HRN is wrong?

A) It is the responsibility if the 4th due engine to bring the HRN to the Incident command post.

B) Once a window is chosen, remove impediments such as child gates and window bars but leave the window itself intact.

C) A shutoff should be placed two lengths back from the HRN. When repositioning the nozzle have this shutoff closed, them open the nozzle to bleed the line for easier movement.

D) A 1 1/8" MST is attached to the outlet of the HRN. The HRN is checked weekly during MUD and before use.

C) A shutoff should be placed two lengths back from the HRN. When repositioning the nozzle have this shutoff closed, them open the nozzle to bleed the line for easier movement. (Incorrect) (TB Tools 7)

* A shutoff should be placed one length back from the nozzle.

* It is not necessary to remove the window when implementing the
HRN.

* If 4th due engine has no HRN the officer will contact dispatch to
learn the identity of the unit carrying it.

6

At a NFP MD fire that has spread to the cockloft, the Chief of battalion 33 has ordered the cockloft nozzle to be put into operation. This know nothing chief was only correct in one order he gave. Which order was correct?

A) The cockloft nozzle was used as the primary attack line.

B) The chief ordered the proby to collect the nozzle from his
battalion vehicle.

C) He told the members that the distance between the top of the ceiling joists to the bottom of the roof joists must be at least 4' to enable use of the cockloft nozzle.

D) He asserted that a hole in the ceiling approx 3' x 3' was sufficient
enough for the nozzle to fit into and operate into the cockloft.

D) He asserted that a hole in the ceiling approx 3' x 3' was sufficient
enough for the nozzle to fit into and operate into the cockloft.
(Correct) (TB Tools 7)

* Cockloft nozzle NEVER used as primary attack line.

* Carried by all DIVISION vehicles

* Preferred location = immediately inside the apartment door.

* Top of ceiling joist to bottom of roof joist must be a minimum of 4"
to enable operation.

7

Lt. Curly is working the 9x6 tour in E-44. He is going over confined space operations and what is considered safe atmospheric conditions in regards to confined spaces. All of the following are considered safe atmospheric conditions with the exception of which choice?

A) Oxygen concentration between 19.5% and 23.5%

B) Flammable range not over 1% of the LEL.

C) Toxicity not over 35 ppm of carbon monoxide.

D) Toxicity not over 10 ppm of hydrogen sulfide.

B) Flammable range not over 1% of the LEL. (Incorrect)

*Not over 10% of LEL. This is our indoor action level. Our action levels are all very low. 10% of LEL is NOT EXPLOSIVE yet at 100% of LEL we have reached the explosive range. Don't confuse this with percentage of gas in the air.

8

Which statement does not demonstrate proper technique for use of the high rise nozzle?

A) Supplied by a 2 1/2" hose line, the HRN will produce flows of 200-225 gpm at 50 psi nozzle pressure with water flowing.

B) Once the proper window is chosen and opened, impediments such as window bars and child gates will have to be removed. In most cases it is not necessary to remove the window to operate the nozzle.

C) When repositioning of the HRN is required, the supply line should be shut down at the shutoff located 1 length back and the nozzle operated to bleed the line.

D) Once in position the officer supervising the nozzle operation will order water started and nozzle to be operated.

D) Once in position the officer supervising the nozzle operation will order water started and nozzle to be operated. (Incorrect)

*The nozzle will not be operated until the IC has given approval.

(Tools data sheet 17 HRN 5.14)

9

Ladder 33 responds to a gas leak in apartment 3D in a 6 story "H" type multiple dwelling. After finding the source to be the stove in the apartment they pull it from the wall to find no gas shutoff on the flexible metal tubing. The next point to shut off the gas to the stove would be?

A) Master meter

B) Head of service valve

C) Exterior gas riser valve

D) Curb valve

A) Master meter

*Work your way from inside the building out. The idea is to shut it down, disrupting service to the LEAST amount of people. In this situation you would shut individual meters if available. If not you would have to shut the master meter.

(TB Emergencies 2)

10

Members in a study group are reviewing the Akron New Yorker and make a series of points. Which point is incorrect?

A) The range of elevation is from 90 degrees above the horizontal to 15 degrees below the horizontal.

B) The safety stoplock and release pin prevents lowering the elevation below 30 degrees above the horizontal unless the release pin is pulled.

C) When two hoses are being used to supply the two 3" female swivels, they should be brought straight back at a distance of 15 feet from the Siamese, parallel to each other before they are turned or bent in any way.

D) The max pressure the device should be subjected to is 200 psi.

B) The safety stoplock and release pin prevents lowering the elevation below 30 degrees above the horizontal unless the release pin is pulled. (Incorrect)

*This will prevent lowering the elevation 35 degrees below the horizontal.

When used in portable ground base unit should not be operated at more than 800 gpm.

Stacked tips "10-75"
1 1/4" = no more than 100 psi
1 1/2" = no more than 70 psi
2" = no more than 50 psi

If flats on spikes in portable ground base exceed 1/16" in diameter they must be sharpened or replaced.

(TB Tools 17 Akron New Yorker)

11

The TIF gas detector is a tool we use in the field almost everyday. Which statement about this tool is incorrect?

A) It can detect a gas source as low as 5 ppm.

B) The initial charge of this device should be 24 hours. All subsequent charged should be between 10 and 15 hours.

C) A fully charged battery supplies approximately 4 hours of continuous use.

D) Mask service unit handles distribution and repairs of this device.

B) The initial charge of this device should be 24 hours. All subsequent charged should be between 10 and 15 hours. (INCORRECT)

*Initial charge 24 hrs. Subsequent charges 12-16 hrs.

(TB Tools 29)

12

Which choice describes incorrectly when controlling nozzles are tested in the FDNY?

A) Annually in Spring with hose test.

B) Newly issued to a unit.

C) Repaired and returned to a unit.

D) When deemed necessary by Division commander.

A) Annually in Spring with hose test. (Incorrect)

*Annually in AUGUST with hose test.

(TB Tools 7)

13

You are a Lt. assigned 4th due Engine company on the transmission of a 10-77. You should know that which of the following statements are correct?

1. If your company has been assigned a HRN, it is your responsibility to bring that nozzle to the command post.

2. If your company has not been assigned a HRN, it is your responsibility to inform the dispatcher to special call a unit that has a HRN.

3. If you are supervising a HRN operation, you must initiate contact via handle talkie with the assigned spotter on outside of building to ensure effective use of the stream.

4. If you are supervising a HRN operation, you shall ensure the supply line is attached to the nozzle before the nozzle is slid out the window, and that a shutoff is placed in line two lengths back from nozzle.

A) 1 & 3
B) 2 & 3
C) 1, 2 & 4
D) 2, 3 & 4

A) 1 & 3 are correct.

Choice 2 = dispatch will tell you the identity of the unit that is equipped with the HRN.

Choice 4 = shutoff is placed in line ONE LENGTH back from nozzle.

14

Engine 100 is drilling with their new proby on the multiverse New Yorker. Which point made concerning the multiversal is not correct?

A) The elevation control wheel can be used to raise and lower the elevation of the nozzle. The range of elevation is 15 degrees below the horizontal to 90 degrees above the horizontal.

B) The safety stoplock and release pin prevents lowering the elevation below 35 degrees. The pin should be pulled before 35 degrees.

C) Do not release the elevation stop and operate below that point (35 degrees) unless the unit is secured in the truck mount or restrained by ropes.

D) No operation below the horizontal shall be attempted unless the unit is secured in the truck mount or secured by ropes.

D) No operation below the horizontal shall be attempted unless the unit is secured in the truck mount or secured by ropes. (Incorrect)

*No operation below the horizontal shall be attempted unless the unit is secured in the truck mount period.

(TB Tools 17 section 2)

15

To prevent backward movement of the multiversal nozzle, it must be secured in position by means of a utility rope. Which step was performed incorrectly while securing the multiversal nozzle?

A) Place the middle of the utility rope on top of the Siamese, over the identification plate.

B) Bring the 2 sides of the rope up over the Siamese and each side forward to the large leg of the ground base on each side of the front leg. Make a half hitch on each of these 2 legs.

C) If possible, do not connect the hose lines to the Siamese before tying the required knots, as this could slightly increase the time required to tie the knots.

D) The safety chain alone should never be relied on to secure this appliance. A rope is needed.

C) If possible, do not connect the hose lines to the Siamese before tying the required knots, as this could slightly increase the time required to tie the knots. (Incorrect)

*NOT (IF POSSIBLE) Do not do this period.

(TB Tools 17 3.3.5)

16

While operating at a taxpayer fire the multiversal nozzle is ordered into operation by the IC. Engine 100 was only correct in which point below regarding the supply and operation of the multiversal nozzle?

A) E-100 used two lines to supply the nozzle. Each line was brought straight back at least 10 feet before any bends or turns were taken.

B) E-100 supplied the nozzle with 2 1/2" hose lines and realized that upper end flows may not be attainable.

C) At one point the officer of E-100 called for more pressure. The gauge on the nozzle showed 210 psi. The ECC informed the officer of E-100 that 825 gpm were flowing.

D) Since the supply lines were long a 2 way gate was inserted 2 lengths from the nozzle. A member was positioned at the gate to assure proper pressure was maintained.

B) E-100 supplied the nozzle with 2 1/2" hose lines and realized that upper end flows may not be attainable.

A - 15 feet straight back before turns are made.

C - 200 psi maximum / 800 gpm

D - a single gate one length back from the nozzle

(TB Tools 17 3.4 Engine Ops ch 11)

17

You are a Lt. at a multiple alarm cockloft fire in a large H-type building. The Deputy Chief orders your company to retrieve the cockloft nozzle and put it into operation on the top floor. What do you need to know about this tool to effectively utilize it?

A) It can be found stored on one Engime company in each battalion.

B) It has a very large discharge rate or nearly 300 gpm due to the two nozzle tips.

C) It has a horizontal reach of the stream in excess of 60 feet.

D) A hole approximately 3' x 3' in the ceiling will provide space for the nozzle to fit, and the preferred location for this is underneath the main body of fire.

C) It has a horizontal reach of the stream in excess of 60 feet.

A - Stored in each Division vehicle

B - Discharge rate of nearly 125 gpm

D - Preferred location is in hallway immediately outside the apartment.

(TB Tools 7 Data Sheet 18)

18

Lt. Smith was explaining the TIF 8800 Combustible Gas Detector to the new proby and he made the following statements. Which of the following is incorrect?

A) Ladder companies and Battalions carry this detector.

B) A ticking signal that increases in frequency indicates the presence of a gas source.

C) The readout will indicate the amount of gas detected in parts per million (ppm).

D) The detector must be stored in its carrying case when not in use to prevent damage.

C) The readout will indicate the amount of gas detected in parts per million (ppm) (Incorrect).

*The TIF can detect a gas source but does not give a readout.

(TB Tools 29 1,5)

19

While operating at an alarm for an odor of natural gas Ladder 139 used the TIF 8800. Which choice shows an incorrect understanding of this tool?

A) After a 30 second warmup, a ticking sound will be heard if it's working correctly.

B) A source as low as 5 ppm can be detected.

C) Usually it is not necessary to adjust the detector's sensitivity.

D) At the point of the leak the tick rate will increase until a steady beeping sound is heard.

D) At the point of the leak the tick rate will increase until a steady beeping sound is heard. (Incorrect)

*The tick rate increases until a SIREN sound is heard.

(TB Tools 29 3,4)

20

Which is the correct point about the care and maintenance of the TIF 8800?

A) Initial charge time is 24 hours.

B) Subsequent charging time is 4-6 hours.

C) If defective it should be returned to the Meter Room at Haz-mat Operations with an RT-2.

D) The TIF 8800 should be used to detect carbon monoxide.

A) Initial charge time is 24 hours.

B - Subsequent charge time is 12-16 hrs.

C - Return to MSU if defective

D - Should not be used for CO

(TB Tools 29 2,3,5)

21

A new Lt. was conducting a drill on the "can". The firefighters asked questions about his lecture. The Lt. was correct in which response?

A) If a can is found in the field with no Schrader connection, it must be put out of service with an RT-2 and sent to Tech Services.

B) The can shall be inspected after each use and at the beginning of each tour.

C) If the hydrostatic test date stamped on the can is greater than 5 years old, the can must be placed Out of Service.

D) A can left inside of a fire area can't BLEVE, as it does not contain flammable liquid.

C) If the hydrostatic test date stamped on the can is greater than 5 years old, the can must be placed Out of Service.

(TB Tools 1)

A - Use Schrader connection/adapter

B - Extinguisher is inspected DAILY.

D - An extinguisher left inside a fire area can create a bomb.

22

The regulated device used to pressurize an extinguisher should never be set higher than how many PSI?

A) 100

B) 125

C) 150

D) 175

B) 125

(TB Tools 1)

23

Routine maintenance and servicing of the KO curtain must be understood by a covering Lt. aspiring to work in a ladder company. Which choice below is listed correctly?

A) It shall be inspected daily and after each use.

B) After deployment at an operation, and having it secured by the IC afterwards, the officer will prepare a report to the Chief of Operations detailing the use and any damage sustained.

C) Contact R & D for a replacement device after use at an operation.

D) Limit drilling with the device to weekly MUD to avoid unnecessary damage.

B) After deployment at an operation, and having it secured by the IC afterwards, the officer will prepare a report to the Chief of Operations detailing the use and any damage sustained.

(TB Tools 2)

A - KO inspected WEEKLY during MUD and after use.

C - DIVISION has replacement KO

D - NEVER DRILL WITH KO, use training curtain instead.

24

Deployments of the KO curtain have shown significant flame reduction and __________________________?

A) An immediate 50% decrease in temperatures, but an increase in the smoke condition produced by the fire.

B) An eventual 50% decrease in temperatures, with a decrease in the smoke condition produced by the fire.

C) An immediate 50% decrease in temperatures, with a decrease in the smoke condition produced by the fire.

D) An immediate 25% decrease in temperatures! but an increase in the smoke condition produced by the fire.

A) An immediate 50% decrease in temperatures, but an increase in the smoke condition produced by the fire.

(TB Tools 2)

25

The KO training curtain is for training purposes only. When being transported on the apparatus for any reason, the company officer make sure it is in a secure location and not used at any fire operations. How can a company officer differentiate a KO training curtain from the actual KO curtain?

A) The Training Curtain is black nylon with the top 2 feet painted white with the words "TRAINING" stenciled in fluorescent paint.

B) The Training Curtain is black vinyl with yellow stripes forming an "X"

C) The Training Curtain is red vinyl with silver stripes forming an "X"

D) The Training Curtain is red Hot-Stop 1500 L with yellow stripes forming an "X"

B) The Training Curtain is black vinyl with yellow stripes forming an "X"

(TB Tools 2)

A - Training curtain carry bag is black nylon with the top 2 feet painted white with the words "TRAINING" stenciled in fluorescent paint.

D - Actual KO curtain is Hot-Stop 1500 L with yellow stripes forming an "X"

26

When discussing the fire window blanket with members while supervising a drill, in which statement was a battalion chief correct?

A) The blanket is kept in a red vinyl carrying bag.

B) It is brought to the floor above the fire, two floors above, or to the roof if fire is on the top floor. If deployed from two floors above, utility ropes must be secured to the top straps to gain the necessary length.

C) The IC must make a handie talkie transmission to all units just after the blanket is put into place, and units should report back any adverse conditions caused by the blanket.

D) The top of the blanket is identified by the words "Top" stenciled on the top straps and the blanket.

D) The top of the blanket is identified by the words "Top" stenciled on the top straps and the blanket.

(TB Tools 3)

A - Carrying bag is WHITE VINYL.

B - Straps are long enough to reach two floors below. You DO NOT need to gain length by attaching utility ropes.

C - IC must make HT announcement BEFORE blanket is put into place.

27

You are a new captain assigned to an engine company for a very windy day tour. On arrival at a 10-77 fire, with fire being blown back into two adjoining windows, you report in to the command post. The deputy orders you to deploy the fire window blanket, which was brought to the floor above by a Squad company. You would be correct to answer him how?

A) "This is not my blanket and I don't know how to do it"

B) "I'll try but I don't think I can have my members cover both windows as the blanket is not large enough"

C) "No can do Chief! I know we can cover both windows but the blanket will probably blow around due to this high wind!"

D) "Can do Chief! I'll have one of my members be a spotter from the exterior with your binoculars, and I'll send two members to the floor below to secure the lower straps"

D) "Can do Chief! I'll have one of my members be a spotter from the exterior with your binoculars, and I'll send two members to the floor below to secure the lower straps"

(TB Tools 3)

A - ANY unit or units may be used to deploy the blanket.

B - Blanket IS LARGE ENOUGH for 2 windows.

C - Blanket is WEIGHTED AT BOTTOM to prevent being blown around.

28

A probationary firefighter asked a new Lt. some questions regarding the use of portable power generators. The Lt. Was correct in which response?

A) All portable lights shall be operated for 5 minutes weekly during generator test to test lights and generator under load.

B) When using a portable generator to power exhaust fans, small tools or lights, the electric cord should be 50 feet or less.

C) Portable generators shall be operated for 10 minutes weekly.

D) Oil in the crankcase should be changed after 50 hours of use by firefighters at the completion of the weekly test.

A) All portable lights shall be operated for 5 minutes weekly during generator test to test lights and generator under load.

(TB Tools 4)

B - Cord should be 50 feet or less FOR FANS ONLY (not small tools or lights)

C - Portable generators operated for FIFTEEN (15) min weekly.

D - TECH SERVICES changes oil

29

Which is a correct statement concerning apparatus mounted generators?

A) Most ladder company apparatus are equipped with onboard generators.

B) A ladder company with a 2000 or older apparatus may encounter problems powering exhaust fans when the onboard electric cord reel is greater than 50 feet.

C) All repairs to onboard and portable generators shall be performed by Fleet Services.

D) Onboard generators shall be checked at the start of each tour.

B) A ladder company with a 2000 or older apparatus may encounter problems powering exhaust fans when the onboard electric cord reel is greater than 50 feet.

(TB Tools 4)

A - ALL ladder company apparatus have onboard generators.

C - Repairs to onboard and portable generators shall be performed by TECH SERVICES.

D - Onboard generators checked WEEKLY DURING MUD.