JB Chapter 11 Ladders || with 100% Correct Answers.
When is a three-fire fighter shoulder carry useful?
A) When there are power lines nearby
B) When the ground is hard
C) When the ladder must be carried over short obstacles
D) When the ladder is not made of aluminum correct answers When the ladder must be carried
over short obstacles
What purpose do the hooks of a roof ladder serve?
A) They dig into the ground to keep the ladder from slipping
B) They grip the eave of the roof to keep the ladder from slipping
C) They serve as safe attachment points for fire fighters and equipment
D) They secure the tip of the ladder to the peak of a pitched roof correct answers They secure the
tip of the ladder to the peak of a pitched roof
What does a heat sensor label do on a ladder?
A) It reports the highest temperature in which the ladder can be safely used
B) it changes color when exposed to a specific degree of heat
C) It attests to the heat treatment the ladder underwent during construction
D) It reports what the ambient temperature currently is correct answers It changes color when
exposed to a specific degree of heat
What should be done with the excess halyard before tying it off once an extension ladder is
placed and extended?
A) It should be shortened using a sheepshank
B) It should be coiled on the ground under the ladder
C) It should be wrapped around two rungs of the ladder
,D) It should be wound around the bottom rung of the ladder correct answers It should be
wrapped around two rungs of the ladder
How often should ground ladders be visually inspected?
A) Monthly
B) Quarterly
C) Annually
D) Biannually correct answers Monthly
What is the proper climbing angle for a ladder?
A) 30 degrees
B) 45 degrees
C) 60 degrees
D) 75 degrees correct answers 75 degrees
What is the floor-to-floor height of a commercial building?
A) 10' - 12'
B) 14' - 16'
C) 8' - 10'
D) 18' - 20' correct answers 10' - 12'
When a ladder is placed at the proper angle for climbing and a fire fighter is standing on a rung,
how far away will the rung at shoulder height be from the firefighter?
A) One hand width
B) Two hand widths
C) Arm's length
D) About an arm-and-a-half away; one has to lean forward to make contact correct answers
Arm's length
, Which type of ladder raise is usually used when the ladder can be raised perpendicular to the
target surface?
A) A hand raise
B) A periscope raise
C) A drawbridge raise
D) A flat raise correct answers A flat raise
Why should firefighters climbing a ladder not look up, as a rule?
A) So that any falling debris will not strike them in the face
B) Because to climb with the head tilted back causes vertigo
C) Because this is what a person passing out will do and it mayh4 cause an immediate,
unnecessary rescue
D) Because doing so shifts the center of balance from neutral to negative correct answers So that
any falling debris will not strike them in the face
If a ladder is placed at the proper angle for climbing and it is reaching 20 feet up a wall, how far
away from the wall should the base be, in feet?
A) 5
B) 6
C) 7
D) 8 correct answers 5
Which type of ladder can be converted from a straight ladder to an A-frame configuration?
A) A combination ladder
B) A Boston ladder
C) An attic ladder
D) A Bangor ladder correct answers A combination ladder
When is a three-fire fighter shoulder carry useful?
A) When there are power lines nearby
B) When the ground is hard
C) When the ladder must be carried over short obstacles
D) When the ladder is not made of aluminum correct answers When the ladder must be carried
over short obstacles
What purpose do the hooks of a roof ladder serve?
A) They dig into the ground to keep the ladder from slipping
B) They grip the eave of the roof to keep the ladder from slipping
C) They serve as safe attachment points for fire fighters and equipment
D) They secure the tip of the ladder to the peak of a pitched roof correct answers They secure the
tip of the ladder to the peak of a pitched roof
What does a heat sensor label do on a ladder?
A) It reports the highest temperature in which the ladder can be safely used
B) it changes color when exposed to a specific degree of heat
C) It attests to the heat treatment the ladder underwent during construction
D) It reports what the ambient temperature currently is correct answers It changes color when
exposed to a specific degree of heat
What should be done with the excess halyard before tying it off once an extension ladder is
placed and extended?
A) It should be shortened using a sheepshank
B) It should be coiled on the ground under the ladder
C) It should be wrapped around two rungs of the ladder
,D) It should be wound around the bottom rung of the ladder correct answers It should be
wrapped around two rungs of the ladder
How often should ground ladders be visually inspected?
A) Monthly
B) Quarterly
C) Annually
D) Biannually correct answers Monthly
What is the proper climbing angle for a ladder?
A) 30 degrees
B) 45 degrees
C) 60 degrees
D) 75 degrees correct answers 75 degrees
What is the floor-to-floor height of a commercial building?
A) 10' - 12'
B) 14' - 16'
C) 8' - 10'
D) 18' - 20' correct answers 10' - 12'
When a ladder is placed at the proper angle for climbing and a fire fighter is standing on a rung,
how far away will the rung at shoulder height be from the firefighter?
A) One hand width
B) Two hand widths
C) Arm's length
D) About an arm-and-a-half away; one has to lean forward to make contact correct answers
Arm's length
, Which type of ladder raise is usually used when the ladder can be raised perpendicular to the
target surface?
A) A hand raise
B) A periscope raise
C) A drawbridge raise
D) A flat raise correct answers A flat raise
Why should firefighters climbing a ladder not look up, as a rule?
A) So that any falling debris will not strike them in the face
B) Because to climb with the head tilted back causes vertigo
C) Because this is what a person passing out will do and it mayh4 cause an immediate,
unnecessary rescue
D) Because doing so shifts the center of balance from neutral to negative correct answers So that
any falling debris will not strike them in the face
If a ladder is placed at the proper angle for climbing and it is reaching 20 feet up a wall, how far
away from the wall should the base be, in feet?
A) 5
B) 6
C) 7
D) 8 correct answers 5
Which type of ladder can be converted from a straight ladder to an A-frame configuration?
A) A combination ladder
B) A Boston ladder
C) An attic ladder
D) A Bangor ladder correct answers A combination ladder
