FDNY 8-Week Study Guide Week 2 Lesson 5 Part 2

Question 1

Choose the answer that is most correct based on Chapter 10, Hydrants:
1. The primary agent used by this department to extinguish fires is water. Which of the following is incorrect regarding water sources?

a) The primary source of water for firefighting operations is hydrants.
b) Engine companies carry water in booster tanks.
c) Engine companies are capable of drafting water from lakes and reservoirs.
d) Engine companies are not permitted to draft salt water.

Answer 1

Chapter 10, Hydrants

1. D

Question 2

2. Which of the following hydrants has a black barrel with a silver bonnet, contains two outlets, one 2 1⁄2” and one 4 1⁄2” and also is equipped with two valves, a main and a drain which are activated by the operating nut on top of the hydrant?
A) Smith Low Pressure Hydrant 
B) Dresser Low Pressure Hydrant 
C) Chapman Hydrant
D) Eddy Hydrant
E) High Pressure Hydrant

Answer 2

Chapter 10, Hydrants

2. A

Question 3

3. Which of the following hydrants provides 10-15% greater water discharge?
A) Smith Low Pressure Hydrant 
B) Dresser Low Pressure Hydrant 
C) Chapman Hydrant
D) Eddy Hydrant
E) High Pressure Hydrant

Answer 3

Chapter 10, Hydrants

3. B

Question 4

4. Which 2 of the following were originally installed by private water companies, may have two 2 1/2” outlets and opens and closes in a direction opposite other hydrants in NYC?
   a) Smith Low Pressure Hydrant
   b) Dresser Low Pressure
   c) Chapman Hydrant
   d) Eddy Hydrant
   e) High Pressure Hydrant

Answer 4

Chapter 10, Hydrants

4. C,D

Question 5

5. Which of the following hydrants are being removed, out of service, and if encountered not to be used?
   a) Smith Low Pressure Hydrant
   b) Dresser Low Pressure
   c) Chapman Hydrant
   d) Eddy Hydrant
   e) High Pressure Hydrant

Answer 5

Chapter 10, Hydrants

5. E

Question 6

6. Which of the following is considered incorrect regarding hydrants in New York City?
   A) The number on the barrel of the hydrant indicates the depth of the main supplying the hydrant.
   B) The number on the barrel of the hydrant indicates the size of the main supplying the hydrant.
   C) A white line under the number on the barrel indicates the hydrant is on a dead end main and is only supplied from one direction.
   D) Dead end mains are generally smaller in diameter and provide less water than mains fed from two directions.

Answer 6

Chapter 10, Hydrants

6. A

Question 7

7. Which of the following is not equipment an Engine Company uses in connecting to a hydrant?
A) 25’ soft connection 
B) 35’ soft connection 
C) 10’ small connection 
D)10’ hard suction
E) 50’ length of 3 1⁄2” hose

Answer 7

Chapter 10, Hydrants

7. A

Question 8

8. Which of the following hydrant connections must be used for drafting?
A) 25’ soft connection 
B) 35’ soft connection 
C) 10’ small connection 
D)10’ hard suction
E) 50’ length of 3 1⁄2” hose

Answer 8

Chapter 10, Hydrants

8. D

Question 9

9. Which of the following is the newest connection available to the Engine Company Chauffeur? It is yellow, 5” hose carried in a trough on the front bumper extension andprovides the largest flows of any of the hydrant connections.
A) 25’ soft connection 
B) 35’ soft connection 
C) 10’ small connection 
D)10’ hard suction
E) 50’ length of 3 1⁄2” hose

Answer 9

Chapter 10, Hydrants

9. B

Question 10

10. Which connection is 4 1⁄2” hose with 3 1⁄2” butts, requires close and accurate positioning at the hydrant and is carried on the side of the apparatus in a horizontal tray?
A) 25’ soft connection 
B) 35’ soft connection 
C) 10’ small connection 
D)10’ hard suction
E) 50’ length of 3 1⁄2” hose

Answer 10

Chapter 10, Hydrants

10. C

Question 11

11. Which hydrant connection permits the most flexible in apparatus positioning but the least water flow?
A) 25’ soft connection 
B) 35’ soft connection 
C) 10’ small connection 
D)10’ hard suction
E) 50’ length of 3 1⁄2” hose

Answer 11

Chapter 10, Hydrants

11. E

Question 12

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Answer 12

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Question 13

13. Which of the following is incorrect regarding hydrant security devices?
    a) A hydra shield is a threaded hydrant cap with three indentations on both the 2 1⁄2” and 4 1⁄2” outlets.
    b) The hydra shield wrench fits both the 2 1⁄2” and 4 1⁄2” outlet
    c) A custodian hydrant guard is a free spinning cap which completely covers the hydrant operating nut to prevent it from being used by unauthorized users.
    d) A custodian hydrant wrench is equipped with an internal magnet.
    e) Under no circumstances shall a custodian hydrant wrench be struck with an axe, maul or similar tool.
    f) A hydra shield wrench and a custodian wrench must both be taken to a hydrant with these security devices. One is used on the operating nut, the other to open the outlets with the hydra shield caps.

Answer 13

Chapter 10, Hydrants

13. F

Question 14

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Answer 14

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Question 15

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Answer 15

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Question 16

16. Which of the following is incorrect regarding hydrant discs?
    A) Hydrant discs are used to provide rapid identification of hydrants that are unserviceable for any reason.
    B)The company number and individual disc number shall be marked in black on one side of each disc
    C) A firefighter finding a white disc on a hydrant would know that to mean the hydrant is frozen.
    D) A firefighter seeing a blue disc on a 3” Siamese of a fire protection system would know that the system is not functioning as a fully automatic system

Answer 16

Chapter 10, Hydrants

16. C

Question 17

17. Which of the following is incorrect regarding hydrant plugs and standard wrenches?
    A) Hydrants without security devices are opened by placing the standard wrench on the operating nut and rotating clockwise
    B) When a hydrant is selected for use and the 2 1⁄2” outlet cap is missing, an apparatus cap or spare hydrant cap carried on the apparatus can be used to cap the outlet.
    C) A T-BOLT (hydrant plug) is used when no cap is available or the 2 1⁄2” outlet threads are damaged.
    D) When using the T-BOLT, the washer must be on the inside of the hydrant to work correctly.

Answer 17

Chapter 10, Hydrants

17. D

Question 18

18. Which of the following steps when using a T-BOLT is incorrect?
    A) Remove the 4 1/2 inch cap and flush hydrant.
    B) Shut down hydrant and exam barrel for sharp objects and debris before inserting T-Bolt. Grip the T-BOLT firmly with one hand and maneuver it through the 4 1/2 inch opening into the hydrant barrel. A firm grip must be maintained on the T-BOLT to prevent it from being dropped into the hydrant barrel.
    C) Place the threaded rod of the T-BOLT through the 2 1/2 inch opening and center it in the middle of the opening. The non-threaded section of the T-BOLT being held inside the hydrant should be maintained in a horizontal rather than vertical position in order for sufficient thread to protrude through the opening to complete the connection.
    D) Hold the T-BOLT firmly against the inside of the hydrant barrel with one hand and turn the handle onto the threaded end of the T-BOLT with the other hand.
    E) Turn the handle clockwise while holding the T-BOLT until the handle is tight against the 2 1/2 inch nozzle or barrel.
    F) Hook up to the 4 1/2 inch outlet using the proper hydrant connection.
    G) Open the hydrant.
    H) The hydrant plug is removed by reversing the steps outlined above.

Answer 18

Chapter 10, Hydrants

18. C

Question 19

19. Which of the following is incorrect regarding specially designated hydrants?
    a) In order to use a yellow hydrant on parkways or expressways, you usually would need to turn it on using a curb valve key.
    b) Red Air Cock hydrants are hydrants on 24” or greater mains
    c) Red Air Cock hydrants are painted red and are excellent sources of water
    for fire department use
    d) Engine companies should avoid the use of Red Satellite Water System
    hydrants.

Answer 19

Chapter 10, Hydrants

19. B

Question 20

20. Which of the following is a twin hydrant arrangement on large mains for a rapid and adequate source of water?
    a) Yellow hydrants on parkways and expressways
    b) Red Air Cock hydrants
    c) Red Satellite Water hydrants

Answer 20

20. C