Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

IFSTA driver > Chapter 16 > Flashcards

Chapter 16 Flashcards

1
Q

What are the two most common materials for construction of aerial ladders?

A

Heat treated aluminum alloy and steel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Fabricated structural members of an aerial ladder may be secured by?

A

Fasted by rivets, or the entire truss segment may be welded(steel) or heliarched (aluminum alloy)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A hydraulic system has four main components which are?

A

Actuators, hydraulic fluid, a hydraulic pump, and a hydraulic reservoir

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the medium by which the system transmits force?

A

Hydraulic fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Most hydraulic tubes and hoses are made with?

A

Steel tubing and aircraft-type, steel- braided hose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Hydraulic hose must be able to withstand how much pressure?

A

At least 4 times greater than normal operating pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Counterbalance valves do what?

A

Prevent unintentional or undesirable motion of the device from its established position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Another name for The selector valve is?,and it does what?

A

Also called a transfer or diverter valve. Is a three way valve that directs fluid to either the stabilizer control valves or the aerial device control valves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Double acting cylinders are capable of?

A

Receiving oil under pressure from both sides of the piston so that force can be created in either direction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Hoisting cylinders are also known as? Their function by doing what?

A

They are also referred to as elevating or lift cylinders. Their function is to elevate the aerial device from its stowed position.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Hoisting cylinders are often what martial on the inside?

A

Chrome plated on the inside to resist friction and wear and are enclosed at the top and bottom with removable caps.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the pivoting end of the piston rod that is connected to the anchor ear by the heel pin on an aerial apparatus?

A

Trunnion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is normally hydraulic pressure?

A

850-3000 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Many new hoisting cylinders are equipped with what?

A

Integral safety valves that lock and hold oil in the cylinder in the event of a leak or blowout.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How can the aerial ladder be lowered if the integral safety valve locks?

A

It can only be lowered manually by bleeding the pressure from the cylinder through a bleed-down valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Extension cylinders do what?

A

Simply operate a series of pulleys and cables that in turn extend the fly sections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The working height for aerial ladders is measured from?

A

The ground to the highest ladder rung with the ladder at maximum elevation and extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the main uses of aerial ladders?

A

Rescue, ventilation, elevated master stream application, and gaining access to upper levels of an emergency scene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The required minimum floor area of a platform is?

A

14 square feet.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Each platform must have a rail completely enclosing the floor area with no opening under the raining greater than?

A

24 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A kick plate is required at floor level and should be how high?

A

Should be 4 inches high

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is built into the bottom of aerial platforms to protect firefighters, that can lose its ability over time?

A

A heat protective shield. Shields that have been damaged in any way will not provide adequate protection for personnel in the platform and must be replaced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

NFPA 1901 requires what be provided on the bottom of the platform?

A

A water curtain. Firefighters in the platform can operate this nozzle using a quick actuating lever on the platform floor.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Nfpa 1901 requires the nozzle on the protective water fog curtain to flow how much GPMs?

A

At least 75 gpms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is the time requirement for elevating platforms that are 110 ft or shorter, being raised from the bedded position to the maximum elevation and extension and be rotated 90 degrees?

A

150 seconds or less

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

All elevating platforms must have a minimum load capacity of what when wet, and when dry?

A

Wet 750 lbs minimum load capacity
Dry 500 lbs minimum load capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What is the most common aerial ladder platform apparatus in service today?

A

The straight chassis, three axle vehicle with a rear mounted aerial device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is the common size of telescoping aerial platforms in use in North America?

A

75-100 ft

29
Q

Telescoping aerial apparatus are made of either?

A

Box-beam construction or tubular truss-beam construction

30
Q

Standard articulating aerial platforms range in height from ?

A

55-85 ft

31
Q

What criteria for qualifications must be met for a piece of apparatus to be a quint?

A

Fire pump, water tank, supply and attack hoses, ground ladders, and aerial devices or elevated platform

32
Q

What are the extension and retraction cables typically?

A

Usually are corrosion resistant aircraft quality cables made with a very high strength steel, called plow steel, and they are resistant to abrasion

33
Q

What is another way the aerial may be extended or retracted?

A

A dual-chain drive may also be used to retract and extend the aerial device

34
Q

What parts of an aerial ladder allow various sections of the aerial device to extend and retract without causing excessive wear on the parts of the device that come in contact with each other during operation?

A

Slide and rollers

35
Q

Turntables generally operate on ?

A

Large shear ball-type bearings

36
Q

Because an aerial operator should first elevate, then rotate, then extend the aerial device, the levers for these actions should be located ?

A

In that order from right to left on the pedestal.
Raise/lower left/right extend/retract

37
Q

Ladders that are how many feet or shorter and equipped with a telescoping water system have piping that extends directly to the tip of the fly section?

A

110 ft or shorter

38
Q

What are telescoping piping systems on aerial ladders made of ?

A

Aluminum or other metal

39
Q

Generally what is the minimum internal diameter of the telescoping waterway systems?

A

4 inches

40
Q

Most telescoping water systems are capable of flows up to how many gpms?

A

Up to 1000 gpm

41
Q

What must be done before you can adjust a pinnacle telescoping waterway system?

A

The ladder must be fully retracted and the waterway uncharged before the operator adjust the pin locations

42
Q

If water pressure is applied when the monitor is not securely anchored, the pressure will case the waterway to?

A

Extend rapidly on its own and may launch pipe sections and the monitor through the air

43
Q

The main components of the detachable ladder pipe are?

A

The ladder pipe itself, fire hose, hose straps, and a Siamese appliance

44
Q

What is the detachable ladder pipe typically limited to flows of?

A

Less than 750 GPM

45
Q

Hose going up an aerial ladder should be secured by hose straps in a minimum of how many places?

A

At a minimum of two or three locations on the ladder

46
Q

Most ladders with detachable ladder pipe appliances restrict the sideways movement of the nozzle to about how many degrees from either side of center?

A

About 15 degrees in either direction
(30 degree span it can cover total)

47
Q

What requires a two way communication system on all aerial device apparatus

A

Nfpa 1901

48
Q

What nfpa standard requires to annually test the breathing air system and the quality of the stored air?

A

Nfpa 1911

49
Q

Fixed power generation systems have what systems that the driver operators need to be able to operate and understand?

A

Electrical distribution (breaker) panels and other generator controls and load displays

50
Q

What will result in poor lighting and may damage the power-generating unit or the lights or may restrict the operation of other electrical tools?

A

Overtaxing the power-generating equipment

51
Q

What is the common recommendation length for electrical power cords?

A

Recommended lengths Should not exceed 200 fr per reel or cord

52
Q

Junction boxes are equipped with a small light on top to?

A

Make them easier to locate and to prove visual assurance that they are energized

53
Q

What is good to know about apparatus outlets?

A

Apparatus can have more outlets than the power source can supply at once

54
Q

Hydraulic Hose distances over what feet from the hydraulic pump may have a negative effect on tool operation?

A

100 ft or greater from the hydraulic pump

55
Q

what is the name of the extension ladder that is 40 feet or longer?

A

“pole” ladders

56
Q

What are pole ladders equipped with to help with stability and leverage raising the ladder?

A

“Staypoles” or “tormentors”

57
Q

True or false, the driver/operator must also know the procedures for inspecting testing and maintaining ground ladders?

A

True

58
Q

What may the driver operator be expected to inspect and test in regards to ventilation?

A

Exhaust fans(smoke ejectors) and positive-pressure blowers on a regular basis . The driver operator may also be responsible for putting them in service at the fire scene

59
Q

Loss control starts?

A

From the minute companies leave the station and continues throughout the entire incident.

60
Q

Nfpa 1901 requires what salvage and overhaul equipment?

A

Aerial apparatus to be equipped with multiple salvage covers and two scoop shovels to assist with salvage and overhaul efforts

61
Q

How often should power equipment be started and inspected for readiness?

A

Daily

62
Q

True or false regular visual and operational inspections of an aerial device are adequate to ensure the integrity of the aerial device?

A

False, it is not adequate

63
Q

Operational inspections serve what two purposes?

A

Ensure that the aerial device is in proper working condition. And it serves as a review of the aerial device operation for the driver/operator

64
Q

By operating the aerial device at least how often every work period the driver/operator will be more prepared to operate efficiently under emergency conditions?

A

By operating the aerial at least once every work period

65
Q

When testing the EPU emergency power unit, you should?

A

Make sure the main hydraulic system is disengaged and a control valve must be open before turning on the pump to prevent deadheading

66
Q

What is deadheading?

A

Operating a hydraulic pump without allowing flow through the system; this generates tremendous heat and pressure and can damage components

67
Q

How often should non destructive testing be conducted?

A

Every 5 years, after accidents, when the aerial has been subjected to unusual stresses and loads, and following major repairs or overhauls

68
Q

Service testing includes?

A

Inspecting and testing components such as the stabilizers, torque box, aerial device, and water systems

IFSTA driver (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions