IFSTA 16 Intro to Aerials

Question 1

what are 3 types of aerials

Answer 1

aerial ladder
elevating platform
water tower

Question 2

define aerial ladder

Answer 2

simply ladder mounted on truck chassis, tiller

most common

Question 3

define elevating plate form

Answer 3

could be aerial, telescoping or articulating

permanent attached platform installed on end of aerial for personal to operate

Question 4

what are the 4 main components of a hydraulic system

Answer 4

actuator
fluid
pump
resevoir

Question 5

to what pressure may hydraulic fluid be under

Answer 5

3500 psi

Question 6

define hoist cylinder

Answer 6

lifts aerial from the bed

Question 7

define trunnion

Answer 7

pivoting end of the piston rod connected to anchor ear by heel pin

Question 8

normally hydraulic pressure is in what ranges

Answer 8

800-3000 psi

Question 9

how is the working height of an aerial ladder measured

Answer 9

from ground to highest ladder rung at max elevation & extension

Question 10

what are 3 types of elevating plate forms

Answer 10

aerial ladder
telescoping
articulating

Question 11

define aerial ladder platform

Answer 11

power operated ladder with device at end

The working height is measured from the ground to the top surface of the handrail on the platform

Question 12

define telescoping aerial platform

Answer 12

has piping systems and nozzles

not meant for routine egress, only emergencies

Question 13

What is the required minimum floor area of an aerial platform

Answer 13

14 sq ft

Question 14

What is required height of a kick plate on Ariel platforms

Answer 14

4”

Question 15

NFPA 1901 requires the nozzle providing a protective water fog curtain to the bottom of the platform to flow at least how many GPM

Answer 15

75

Question 16

Elevating platforms 110 feet or shorter should be able to be raised from the bedded position to max elevation Max extension and rotated 90° in how many seconds

Answer 16

150 seconds

Question 17

True or false, elevating platforms that are taller than 110 feet in length have no time requirement to be elevated extended in rotated 90°

Answer 17

true

Question 18

Define water tower

Answer 18

Aerial device intended for deploying elevator master stream not generally intended for climbing operations

Question 19

the 3rd 4th and 5th sections of an aerial are generally extended and retracted by what

Answer 19

cables and pulley

Question 20

what are 3 types of pre piped aerial ladder waterway’s

Answer 20

bed ladders system
telescoping system
pinnable telescoping system

Question 21

generally the minimum internal diameter of a telescoping waterway is what

Answer 21

4”

Question 22

True or false NFPA 1901 requires aerial devices to be equipped with breathing air systems

Answer 22

false

Question 23

How often should electrical power cords be examined by the driver operator

Answer 23

Daily for damage the insulation in connections

Question 24

what length hose from a hydraulic pump may produce negative effects on the operation of a tool

Answer 24

100’

Question 25

At a minimum driver operators of Ariel devices should perform basic inspection/maintenance on which 7 systems of the aerial

Answer 25

Cable
 hydraulic
slides and rollers
stabilizing 
safety 
breathing air 
communication

Question 26

What two purposes does an operation inspection of the aerial serve

Answer 26

Ensure proper working condition

review of Ariel device operation for driver operator

Question 27

What are two types of tests for Ariel apparatus

Answer 27

Preservice test and service tests