FO Quiz 3 Flashcards
01. At operations on highways, the blocking apparatus shall be placed at least \_\_\_\_\_\_ feet behind the operating unit to create a safe working environment. Select one: a. 100 b. 75 c. 25 d. 50
(TB Fires 8 6.5)
The correct answer is: 50
02. Highway flares burn for approximately \_\_\_\_\_\_ minutes. Select one: a. 15 b. 45 c. 20 d. 30
(TB Fires 8 8.1 F2)
The correct answer is: 30
03. A member free falling \_\_\_\_\_ feet or more is considered a sufficient load to warrant placing the life belt out of service. Select one: a. 3 b. 2 c. 5 d. 4
(TB Rope 2 2.10)
The correct answer is: 3
04. The Post Radio shall be charged for at least \_\_\_\_\_ hours weekly and after each use. Select one: a. 10 b. 2 c. 4 d. 8
(Communications Chap.12 2.3)
The correct answer is: 8
05. 2 ½” standpipe outlets are located every \_\_\_\_\_\_ feet throughout under river tubes. Select one: a. 500 b. 600 c. 400 d. 200
(Under River Rail 2.7.1)
The correct answer is: 200
06. Handie-Talkies and cell phones shall not be within \_\_\_\_\_\_ feet of vehicles transporting explosives. Select one: a. 300 b. 250 c. 500 d. 150
(Communications Chap. 8 8.4.5)
The correct answer is: 150
07. The Life Saving Rope can lose \_\_\_\_\_-\_\_\_\_\_% of its strength when wet. Select one: a. 5 - 10 b. 20 - 25 c. 15 - 20 d. 10 - 15
(TB Rope1 4.4)
The correct answer is: 10 - 15
08. During a positive pressure fan operation, the bulkhead door may be “burped” for approximately \_\_\_\_\_ seconds. Select one: a. 60 b. 30 c. 15 d. 45
(AUC 349 7.5)
The correct answer is: 60
Vent group roof or another designated member shall open the stair bulkhead door
(burp the bulkhead), until smoke clears (approx. 60 seconds), then shut the bulkhead
door. During this time, the pressurization will be maintained in the stairwell with the
bulkhead door open or closed.
09. The Post Radio transmits at \_\_\_\_\_ watts. Select one: a. 25 b. 50 c. 5 d. 45
(Communications Chap.12 2.5)
The correct answer is: 45
10. Members shall not be within \_\_\_\_\_\_ feet from a transmitting Post Radio. Select one: a. 3 b. 4 c. 2 d. 5
(Communications Chap.12 2.9)
The correct answer is: 2
11. The maximum range of the personal transmitter to the Pak-Tracker receiver is approximately \_\_\_\_\_\_ feet. Select one: a. 750 b. 400 c. 550 d. 900
TB SCBA Add.8 2.1)
The correct answer is: 900
12. Apparatus, Post and Marine radios shall not be operated within \_\_\_\_\_ feet of areas where explosives may be present. Select one: a. 150 b. 250 c. 300 d. 200
(Communications. Chap.8 8.4.5)
The correct answer is: 300
13. Water will be expelled from a pressurized water extinguisher in \_\_\_\_\_ seconds. Select one: a. 55 b. 45 c. 30 d. 60
(TB Tools 1)
The correct answer is: 55
14. The width of a trench cut should be at least \_\_\_\_\_ feet wide. Select one: a. 5 b. 3 c. 4 d. 2
(Taxpayers 5.6.1)
The correct answer is: 3
15. During power saw operations, observe as nearly as possible a \_\_\_\_\_\_ foot radius “Circle of Danger” from the point where the blade is operating. Select one: a. 10 b. 25 c. 20 d. 15
(TB Tools 9 4.7)
The correct answer is: 20
4.7 CIRCLE OF DANGER
During roof or floor cutting operations, everyone in the vicinity of a saw in operation
shall observe, “as near as possible and practical, a 20 foot radius Circle of Danger.” This
circle shall be measured in all directions FROM THE POINT WHERE THE BLADE OF
THE SAW IS IN OPERATION.
4.7.1 Only the Officer, the Operator and the member designated as the guide may enter
this circle. All persons directly to the rear of the operating saw blade must be
warned away, as the saw may throw debris 20’ feet or more.