Aerial Apparatus pt. 2

Question 1

Which statement is true with regard to controlling a skid in an apparatus not equipped with ABS?

Answer 1

Turn the steering wheel so that the front wheels face in the opposite direction of the skid.

Question 2

The main feature of a relief valve is to:

Answer 2

release excessive pressure within the pump.

Question 3

Before turning corners or negotiating curves, the apparatus driver of a manual transmission should:

Answer 3

shift into a lower gear.

Question 4

Victims that are _____ should be rescued first.

Answer 4

most severely threatened

Question 5

The confined space turnaround exercise allows you to turn the apparatus ____ degrees.

Answer 5

180

Question 6

In 2012, there were _____ firefighters killed while on duty.

Answer 6

81

Question 7

Which is particularly well-suited for below grade rescue operations?

Answer 7

Three-boom articulating aerial platform.

Question 8

An Auxiliary cooling device:

Answer 8

cools engine water when the apparatus pump is engaged.

Question 9

When operating a tiller leaving the station and the apparatus is turning sharp right, you should:

Answer 9

keep the tiller centered in the doorway.

Question 10

When left idling because of cold weather or floodlight operations, diesel engines should be set at:

Answer 10

high idle.

Question 11

It is possible to level the aerial apparatus by using the stabilizers to raise one side of the vehicle more than the other. This is easier to correct on grades that are:

Answer 11

perpendicular to the long centerline of the apparatus.

Question 12

A fire hydrant with an orange bonnet and cap will flow _____ gpm.

Answer 12

500 - 999

Question 13

When operating the aerial device from the ground control station, you must be standing on:

Answer 13

the operator’s platform.

Question 14

Based on the following illustration, when approaching from the UPHILL side in a REAR mounted aerial, you should:

Answer 14

operate the aerial over the REAR.

Question 15

Most aerial apparatus control pedestals use three separate levers to control elevation, extension, and rotation. The levers are positioned from LEFT to RIGHT on the pedestal in the following order:

Answer 15

Extension, Rotation, Elevation
(Study guide says Elevation, rotation, and extension, but that is the order from RIGHT to LEFT.)

Question 16

When identifying the working height of an aerial ladder, it should be in a position of _______ extension.

Answer 16

maximum elevation

Question 17

While participating in the diminishing clearance exercise, you must stop the apparatus with the front bumper within _____ inches of the finishing line.

Answer 17

6

Question 18

When backing a fire apparatus, which is true?

Answer 18

If you cannot see your spotter, do not back the apparatus.

Question 19

When an aerial apparatus must operate on an incline with two rear jacks, you can reduce these stresses by:

Answer 19

always operating the device over the front of the apparatus.

Question 20

A method of relay pumping is:

Answer 20

constant pressure.

Question 21

When using an aerial ladder to remove a victim in a stokes basket, if the basket will not fit between the rails, it may be secured to the:

Answer 21

top rail.

Question 22

It is important to maintain ____ of fuel.

Answer 22

at least 3/4 of a tank

Question 23

Which hazardous actions contribute to the adverse effects of weight transfer?

Answer 23

Too much speed in turns.

Question 24

The most stable operating position for any aerial device is:

Answer 24

in line with the longitudinal axis.

Question 25

The purpose of a stabilizer pad is to provide:

Answer 25

weight distribution for the stabilizer.

Question 26

Excessive engine temperatures during pumping operations can be controlled by using the:

Answer 26

auxiliary cooler.

Question 27

The safest time to attach the ladder pipe and make hose connections is when the device:

Answer 27

is still in its bedded position.

Question 28

The 50% annual pump test on a quint apparatus is conducted at a net pump pressure of:

Answer 28

250 psi for 10 minutes.

Question 29

A hot-shift PTO system can be engaged when the main transmission is in:

Answer 29

neutral.

Question 30

When lowering to the bedded position, you must:

Answer 30

assure that the aerial is properly aligned.

Question 31

Which statement is true with regard to passing other vehicles during emergency response?

Answer 31

Be certain that the opposing lanes of traffic are clear of oncoming traffic when crossing the center line.

Question 32

The parking brake must be able to hold the apparatus in place on a _____ percent grade.

Answer 32

20

Question 33

What happens when the floor of the platform and/or the knuckles between the booms are not parallel to the ground?

Answer 33

Twisting force on the entire aerial device.

Question 34

The tiller operator's assignments include straight-line driving, turning and backing, _______, and safe operation of the aerial ladder.

Answer 34

proper placement of the trailer

Question 35

Which stabilizers cannot be deployed if obstructions are present?

Answer 35

Fulcrum

Question 36

In a _____ hydrant, a small drain valve opens as the hydrant is closed.

Answer 36

dry-barrel

Question 37

According to the US Fire Administration, ______ firefighters were killed in the US while responding to or returning from emergency calls.

Answer 37

17

Question 38

Fire fighting foam consists of approximately _______% water.

Answer 38

94 - 99.9

Question 39

Which valve determines whether the pump is operating in series or pressure mode?

Answer 39

Transfer valve

Question 40

While conducting a pump capacity test, if the net pump pressure is correct, but the nozzle flow (gpm) is too high, the:

Answer 40

discharge gate must be closed further, decrease throttle.

Question 41

A ladder pipe with a 2-inch tip @ 80 psi nozzle pressure will have approx. ________ pounds of nozzle reaction.

Answer 41

500

Question 42

Manufacturers recommend that new apparatus be frequently washed with cold water for:

Answer 42

six months.

Question 43

A braking system that has a snow-and-mud- switch is an:

Answer 43

antilock braking system with automatic traction control.

Question 44

The stability of tillered aerial apparatus can be increased at an incident location by:

Answer 44

jackknifing the apparatus 90 degrees or less.

Question 45

The collapse zone of a building should be _______ the structure.

Answer 45

one and one half times the height of

Question 46

Which condition should be between 0 degrees F and 100 degrees F during a service pump test?

Answer 46

Barometric temperature

Question 47

A fire apparatus should be dried:

Answer 47

with a clean chamois.

Question 48

The maximum loading for an unsupported aerial device occurs when operated at angles ______ degrees from horizontal.

Answer 48

between 70 and 80

Question 49

Water adds weight to the fire building at the rate of ____ per minute for every 250 gpm applied.

Answer 49

2,000 lbs

Question 50

Which is a destructive aerial device testing procedure?

Answer 50

Load

Question 51

When relay pumping, if the intake pressure drops below 20 psi:

Answer 51

there is a danger of a cavitation.

Question 52

When setting up for defensive operations with an elevated master stream, position the aerial apparatus:

Answer 52

on the unburned side of the building.

Question 53

What prevents the movement of fluid within the stabilization system?

Answer 53

Holding valve