Chapter 10 - Flashcards
1
Q
What must a driver/operator wear, even when operating the pump panel?
A
PPE
2
Q
Reacting quickly to shut down or modify operations when a problem is detected may help reduce the impact of _______ problems.
A
mechanical
3
Q
What is the first step in operating the fire pump?
A
make the pump operational
4
Q
What is the second step in operating a fire pump, after making the pump operational, generally?
A
prepare to use at least one of the three sources of water to supply the operation
5
Q
After the apparatus is properly positioned and the parking brake is set, what can begin? A. putting the pump into gear B. making the fire pump operational C. pulling a selected hoseline D. both A and B
A
D. both A and B
6
Q
What is another name for “putting the pump into gear?”
A
making a fire pump operational
7
Q
If the parking brake is not set, some apparatus have a feature that prevents the pump from t_______ up or s_______ into pump gear.
A
- throttling
- shifting
8
Q
Most apparatus are designed so that the procedure for making the pump operational is performed entirely from where?
A
the cab
9
Q
Who recommends that the driver chock the wheels every time they exit the cab? (after making the pump operational) A. NFPA B. IFSTA C. the fire department D. the manufacturer of the vehicle
A
B. IFSTA
10
Q
What provides an added measure of safety in the event the apparatus jumps the road gear or overrides the parking brake system?
A
placement of chocks
11
Q
What is the sole source of supply (water) for many incidents?
A
onboard water tank
12
Q
Quickly and efficiently with no disruption to the incident, a driver must be able to transition from the _____ to an external water _______.
A
- tank
- source
13
Q
What is the driver ready to do when the pump has been made operational? (operate the pump to generate sufficient _______ to create an effective fire ______)
A
- pressure
- stream
14
Q
What is the internal water source?
A
water tank
15
Q
Where should the driver/operator go after making the pump operational, exiting the cab and chocking the wheels?
A
pump panel
16
Q
Another method for putting the pump into “operation” involves opening the appropriate _________ before you increase the _________ pressure by increasing engine speed.
A
- discharges
- discharge
17
Q
What should the driver/operator do after making the pump operational, exiting the cab and chocking the wheels, and proceeding to the pump panel? (if using the tank for water supply)
A
open the tank-to-pump valve
18
Q
After the driver opens the tank-to-pump if using the onboard water tank for supply, they should…..
A. open the discharges to the hoselines to be used
B. open the valves, and the hoselines to fill with water
C. increase the throttle
D. reach the proper pressure when water is flowing
A
A. open the discharges to the hoselines to be used
19
Q
After the driver opens the tank-to-pump, then opens the discharges to the hoselines to be used, if using the onboard water tank for supply, they should…..
A. monitor all gauges
B. open the valves, and the hoselines to fill with water
C. increase the throttle
D. reach the proper pressure when water is flowing
A
B. open the valves, and the hoselines to fill with water
20
Q
After the driver opens the valves, and the hoselines fill with water when using the water tank for supply, he or she should….
A. monitor all gauges
B. open the valves, and the hoselines to fill with water
C. increase the throttle and pressure in hoselines will increase
D. reach the proper pressure when water is flowing
A
C. increase the throttle and pressure in hoselines will increase
21
Q
After the driver increases the throttle and pressure increases in the hoselines, when using the water tank, the driver should reach the proper pressure ONLY when water is ________. Once the hoseline is opened, you many need to ______ the pressure accordingly.
A
- flowing
- adjust
22
Q
While the pump is in operation when using the tank water, monitor all ______ associated with the engine as WELL as the operation of the fire _____.
A
- gauges
- pump
23
Q
While the pump is in operation when using the tank water, adjust the throttle until the desired flow rate is achieved if a WHAT is being used? A. exhaust primer B. foam system C. flowmeter D. voltmeter
A
C. flowmeter
24
Q
If discharge pressure is maintained for a period of time and the water is not flowing for an extended amount of time, what might happen to the pump?
A
overheat
25
Circulator, bypass or booster cooling valves may be opened and set to circulate water back into the tank if......
the pump is overheating
26
Circulator, bypass or booster cooling valves may be opened and set to circulate water back into the tank if the pump is overheating. This will provide some amount of cooling without wasting WHAT?
water
27
Can you use the tank fill line to circulate water through the onboard tank in order to maintain cooling?
YES
28
```
You use the tank fill line to circulate water through the onboard tank in order to maintain cooling. Driver must be aware that the tank fill line may be plumbed with a PIPE large enough to cause pump ___________ when operating using the onboard tank.
A. rust
B. cavitation
C. surplus of water
D. overload
```
B. cavitation
29
How far should you open the tank fill line to circulate water through the onboard tank in order to maintain sufficient cooling and to not create potential for cavitation?
A. distance of your thumb to the pump panel with hand on the valve control
B. all the way
C. partially open
D. A and C
D. A and C
30
Besides opening the tank fill line to cool the tank when pumping from the onboard tank (causing cavitation), if the apparatus is equipped you could ________ water into the atmosphere OR feed a _______ line back into the tank to circulate water.
- discharge
| - booster
31
If a driver uses the tank fill valve/line for cooling while pumping FROM THE TANK, they must monitor the ____ level, based on rate of consumption, _________ the amount of time the water will last, ensure persons operating in dangerous areas are aware when the water ____ drops and are _______ before running out of water, AND based on the size of the tank and approx. flow rate (if has flowmeter, you will know this rate) of specific nozzles, hoselines and appliances, make a fairly accurate ______ of the duration of time the water supply will last.
- water
- estimate
- level
- withdrawn
- judgement
32
The first thing a driver should do when transitioning from the tank to an external water source is connect the ______ line into the appropriate _____ of the fire pump.
- supply
| - intake
33
The first thing a driver should do when transitioning from the tank to an external water source is connect the supply line into the appropriate intake of the fire pump. Should you make the connection with the gate open or closed? What might happen?
closed, pump is operating and air will enter pump causing problems to attack lines in use
34
After you make the supply connection to the intake when transitioning from the tank to external water source, should you open the bleeder valve on the gated intake so air is purged and a steady stream of water drains from the valve?
YES
35
```
After you open the bleeder valve to the gated intake so air is purged and a steady stream of water drains, (transition from tank to water supply) it may be SHUT. The water supply is now at the pump and ready for the __________.
A. second purging of air
B. transition
C. operation to be over
D. both A and B
```
B. transition
36
After you transition from the tank to an outside water supply, will you need to adjust the pressure regulating devices?
YES
37
Adjust the discharge pressure using the throttle until the intake gate valve is completely open. When would this occur?
A. after you make the pump operational
B. before you pull the tank fill line
C. after you chock the wheels
D. after transitioning from tank to external water
D. after transitioning from tank to external water
38
The two basic pressurized water sources that driver will encounter are a fire hydrant and a supply hose from.....
another pumper
39
```
As discharge volume from a fire pump increases, the incoming pressure from the supply source may _____ due to ______ loss in the water system.
A. drop, friction
B. rise, water
C. rise, friction
D. continue, water
```
A. drop, friction
40
As discharge volume from a fire pump increases, the incoming pressure from the supply source may drop due to friction loss in the water system. If the discharge flow VOLUME is increased too much, the intake pressure from the supply source may be WHAT to a point that may damage the pump or water supply system.
reduced
41
```
Pumping at a low residual pressure below __ psi while being supplied by other apparatus is equally dangerous to discharging too mush flow volume to keep up with the water supply.
A. 30
B. 25
C. 20
D. 10
```
C. 20
42
What could cause the supply hose to collapse, interrupting the supply of water and possible cavitation?
A. pumping with high residual pressure (50 psi or higher)
B. pumping only one line
C. pumping without chocking the wheels
D. pump with low residual pressure (20 psi or below)
D. pump with low residual pressure (20 psi or below)
43
Drivers should maintain a residual pressure of at least 20 psi on their ______ intake gauge at all times during pumping.
master
44
```
Water supply systems must maintain a residual pressure of __ psi at all times within their mains.
A. 30
B. 25
C. 20
D. 10
```
C. 20
45
What might cause contamination from the sources outside the main water supply?
IF below 20 psi in the main is not maintained
46
If a main is kept below 20 psi, overtaking the water system may cause _______ and debris that has formed in older pipes to loosen. This could cause _____ to the piping or r______ the water flow.
- sediment
- damage
- reduce
47
What should fire dept. do with local water supply officials in order to ensure proper use and peak effectiveness of their systems?
maintain working relationship
48
Hydrant operations are basically the same whether a pumper supplies attack lines directly or supplies another pumper from the hydrant in a relay operation. TRUE or FALSE
TRUE
49
Will the closest hydrant be the most prudent choice due to safety and ff needs?
NO
50
Can a fire hydrant be TOO close to a fire scene?
Yes
51
Many water supply districts use WHAT kind of marking system to indicate the capacity of the hydrants in their system?
color-coded
52
Thorough knowledge of the water supply system is necessary in order to make an informed ________ selection.
hydrant
53
```
Hydrants served by large mains, interconnected in a grid pattern and receive their supply from several directions usually have less ______ and _________.
A. rocks, deterioration
B. water, supply
C. water, deterioration
D. sedimentation, deterioration
```
D. sedimentation, deterioration
54
Smaller mains that are served from only one direction are called "d___ e___ m____."
dead end mains
55
Which is more desirable?
| Dead end mains or large interconnected mains?
dead end mains
56
Which has more sediment and deterioration?
| Dead end mains or large interconnected mains?
dead end mains
57
What might lessen the chance of debris collecting on the intake screen when connecting to a hydrant (without delay I might add!!)
flushing the hydrant briefly
58
Smooth and efficient describe what kind of connection that drivers and ff should be proficient at doing?
hydrant connections
59
What is one of the most common ways for a pumper to be supplied with water from a hydrant?
forward lay
60
What lay consists of stopping at the hydrant, dropping the end of one or more supply hoses, and then proceeding to the fire location?
forward lay
61
What is one potential problem of a forward lay?
distance from hydrant to the fire
62
In a long lay with large flow demands, what lay may be a problem due to the distance from the hydrant to the fire?
forward lay
63
In a long lay with large flow demands, where might a pumper need to be to make use of ALL available pressure?
at the hydrant
64
If in a forward hose lay, the first pumper runs out of hose, what might have to be done? (2)
- add hose
| - 2nd pumper relays from the first to the scene
65
Once a forward lay has been made, procedures used vary based on local ______. Some jurisdictions connect the line to the ______ and work off hydrant pressure while other wait till second pumper hooks up the ____(s) to the hydrant AND supply the lines.
- policy
- hydrant
- line
66
```
In some cases, a second pumper is needed in a forward lay to hook up and pump the supply lines to the first in pumper due to f___ requirements, elevation, or ______ of the hose lay.
A. force, diameter
B. flow, diameter
C. flow, length
D. force, strength
```
C. flow, length
67
What do some departments use at the hydrant to aid in the process of making a forward lay?
four-way hydrant valve
68
A four-way hydrant valve allows the original supply line that was laid by the first pumper in a forward lay to WHAT? Using WHAT pressure?
- be immediately charged
| - using hydrant pressure
69
A four-way hydrant valve has a second discharge, usually __ or __ inches in diameter.
4½ or 5 inche
70
```
A four-way hydrant valve has a second discharge, usually 4½ or 5 inches in diameter. This second discharge is equipped with a.......
A. clapper
B. shut-off valve
C. easy release
D. backup discharge
```
B. shut-off valve
71
What does the second pumper at the four-way hydrant valve use in a forward lay to boost the pressure in the supply line? (on the hydrant valve)
second intake
72
What allows other connections to be made as the incident progresses without causing interruption in the flow of the original line(S) (and when using a four-way hydrant valve?)
A. attaching gate valves to the unused hydrant discharges (dry barrel only)
B. attaching gate valves to the unused hydrant discharges (wet barrel only)
C. attaching gate valves to the unused hydrant discharges (any hydrant type)
D. none of the above
A. attaching gate valves to the unused hydrant discharges (dry barrel only)
73
When boosting pressure to the first in pumper at a forward lay, boosting the pressure in the four-way hydrant valve, it overcomes the pressure from the hydrant that keeps the clapper valve ______(from the hydrant). When the pressure is high enough, it _____ the valve.
- open
| - closes
74
When using 2½ or 3 inch supply with direct pressure from the hydrant in a forward hose lay, what should you do to avoid excess friction loss?
keep distance short as possible
75
Hose laid from the fire to the water source is what type of lay?
reverse
76
What couplings should be facing out of the bed first if you are doing a reverse lay?
Male
77
What must you use at the HYDRANT if your hose bed is set up for a forward lay and you do a reverse lay instead? (think adapters)
double females
78
What must you use at the PUMP PANEL if your hose bed is set up for a forward lay and you do a reverse lay instead? (think adapters)
double males
79
When using MEDIUM diameter hose as a supply line, what type of hose lay is done?
reverse hose lay
80
What is considered MEDIUM diameter hose, what is it's uses?
2½ to 3 inch, for attack and supply
81
With what diameter hose is it necessary to position a pumper at the hydrant to supplement the pressure to the supply hose?
medium
82
With medium diameter hose is it necessary to position a pumper at the hydrant to supplement the pressure to the supply hose. The ______ lay is the most DIRECT method of supplementing hydrant pressure or performing drafting operations.
reverse
83
What is a complicated factor regarding hose and equipment when preforming a reverse hose lay while using a SINGLE ENGINE company operation that may cause a delay?
you must remove all hose and equipment before the pumper can go to the hydrant
84
Is there a two-pumper operation in reverse lay?
YES
85
In a two-pumper operation using reverse lay, where does the first (attack pumper) pumper go? and do what?
to the scene and use tank to begin operation
86
In a two-pumper operation using reverse lay, what does the second (supply pumper) pumper do?
lays a supply line from the attack pumper (first pumper) to the water source
87
Two pumper operations for reverse lays are relatively quick and simple because the second (supply) pumper needs only to connect the supply line to a ______ outlet and connect a hose to the ______ supply to begin pumping.
- discharge
| - water
88
Do you need a four-way hydrant valve in reverse lay operations? Can you?
NO, YES
89
When would a four-way hydrant valve be used in a reverse lay operations?
A. If you need extra pressure from a third pumper
B. if you expect the supply pumper to disconnect from the supply, leaving a connection with hydrant pressure alone
C. if the supply pumper is released from the incident once water demands diminish
D. both B and C
D. both B and C
90
Without interrupting water flow, the four-way hydrant, in forward and reverse lays, provides a means to switch from THIS AND THIS or vice versa.
hydrant pressure to pump pressure
91
```
Pumpers built before ____ may not have a check valve in the tank-to-pump line that prevents water from entering the tank under pressure from the pump intake.
A. 1990
B. 1991
C. 1989
D. 2020
```
B. 1991
92
If the intake is NOT equipped with a shutoff valve, close the ___ __ ___ valve after connections to the hydrant are made and before opening the hydrant.
tank to pump
93
Several checks should be made after connecting to the hydrant, but before opening the hydrant. TRUE or FALSE
TRUE
94
If water is allowed to enter the tank under pressure, the venting may not be adequate to allow the pressure to dissipate, resulting in _______ to the tank.
damage
95
```
If the intake is equipped with a shutoff valve, it is acceptable to ______ the intake line and ______ off the air while still pumping in water from the tank.
A. charge, bleed
B. open, bleed
C. disconnect, bleed
D. charge, blow
```
A. charge, bleed
96
Regardless if the rig has a check valve in the tank-to-pump or shut-off valve on the intake, drivers should _____ the tank-to-pump valve after transitioning to an external water source.
close
97
Static pressure is read on the master intake gauge when the pump is ____ of water and the pressure in the system has stabilized with ___ water flowing.
- full
| - NO
98
This PRESSURE reading is important for estimating the remaining capacity of the hydrant as the water begins to move.
static pressure
99
What pressure should the driver record before they begin to pump?
static pressure
100
What might some department require a driver to write with on the face of the intake gauge when they know the static pressure before pumping?
grease pencil
101
If the driver feels that water will be introduced to a scene a long time from positioning, they could engage the pump before leaving the cab. TRUE or FALSE
FALSE, only if the water will be introduced within a few minutes
102
If the driver places the two-stage pump in series (pressure) to begin operations, what must they realize would have to happen if a changeover to parallel (volume) is required?
A. ALL operations would stop and the rig needs repositioned
B. All handlines would need to be withdrawn from the fire
C. reduction to the throttle and subsequent discharge to hoselines will be needed
D. All of the above
C. reduction to the throttle and subsequent discharge to hoselines will be needed
103
When supplying along lengths of extended supply, the upper floors of a high rise and to overcome elevation loss in a hose lay, pumps supplying a master stream or in relay operations must NEVER pump out of parallel (volume). TRUE or FALSE
FALSE, these are the exceptions
104
When supplying along lengths of extended supply, the upper floors of a high rise and to overcome elevation loss in a hose lay, pumps supplying a master stream or in relay operations MAY pump out of parallel (volume). WHAT are they requiring?
high pressure
105
```
Before pressure can be established, all hose lines must be....
A. limp
B. un-kinked
C. tested
D. filled
```
D. filled
106
Should you increase pressure if you master intake gauge drops below 20 psi?
NO
107
When opening all valves slowly, and if there is an adequate supply on the master intake gauge to continue to increase rpm, the ______ may be advanced until the required pressure and flow have been reached.
throttle
108
When opening all valves slowly, and if there is an adequate supply on the master intake gauge to continue to increase rpm, the throttle may be advanced until the required pressure and flow have been reached. The ____ valve or the ______ may now be set.
- relief
| - governor
109
```
If you are at the hydrant OR in the middle of a relay, you might not know if water is flowing or how much is needed. To prevent overheating, you could have a continuous _______ flow during intermittent use of water.
A. maximum
B. minimum
C. amount
D. water
```
B. minimum
110
If you are at the hydrant OR in the middle of a relay, you might not know if water is flowing or how much is needed. To prevent overheating, you could have a continuous minimum flow during intermittent use of water. Pull a length of _____ line or _____ diameter hose off reel and fasten it to a sturdy object facing neither the operations or anything property it could damage. ____ the valve for these lines.
- booster
- small
- open
111
If you are at the hydrant OR in the middle of a relay, you might not know if water is flowing or how much is needed. To prevent overheating, you could direct the booster line back into WHERE to circulate water continuously?
the tank
112
A bypass circulator will ALWAYS provide sufficient cooling during prolong pumping operations. TRUE or FALSE
FALSE
113
A bypass circulator will NOT ALWAYS provide sufficient cooling during prolong pumping operations. What can you do with a discharge drain to help? If it has threaded outlets, what might else be done?
open it, connect a hose to direct water away from the rig to a safe point
114
A bypass circulator will NOT ALWAYS provide sufficient cooling during prolong pumping operations. Opening a drain and connecting a hose so water may be directed elsewhere helps. Why is the hose especially important? (2)
- accumulating water can freeze
| - unstable ground
115
What can you avoid if you open drains BEFORE they are under pressure when trying to cool the water in the pump?
damage
116
A bypass circulator will NOT ALWAYS provide sufficient cooling during prolong pumping operations. Opening a drain helps. Who's guidelines should you consult before this operation?
manufacturer's
117
A bypass circulator will NOT ALWAYS provide sufficient cooling during prolong pumping operations. Open the tank-____ or the ___-__-___.
- fill
| - tank-to-pump
118
A bypass circulator will NOT ALWAYS provide sufficient cooling during prolong pumping operations. Open the tank-fill or the tank-to-pump line, even if water overflows through the tank vent as it becomes filled. This is preferable over overheating. TRUE or FALSE
TRUE
119
```
A bypass circulator will NOT ALWAYS provide sufficient cooling during prolong pumping operations. Open the tank-fill or the tank-to-pump line. Create a flow sufficient to ___ the pump without significantly diminishing the amount of water _________ for fire suppression.
A. move, available
B. work, flowing
C. cool, available
D. work, traveling
```
C. cool, available
120
When the pumper is pumping water, the pressure on the intake gauge is WHAT kind of pressure?
residual
121
The difference between what 2 pressures on the master intake gauge determines how much MORE water the hydrant can supply.
static and residual
122
Percentage method, first-digit method and squaring-the-lines method are all ways to determine what?
how much more water a hydrant can supply
123
Percentage method, first-digit method and squaring-the-lines method are always precise? TRUE or FALSE
FALSE
124
Percentage method, first-digit method and squaring-the-lines method will always result in the same answers. TRUE or FALSE
FALSE
125
Percentage method, first-digit method and squaring-the-lines method are used in the field and are NOT theoretical calculations. TRUE or FALSE
TRUE
126
Percentage method, first-digit method and squaring-the-lines method, under most circumstances, are sufficiently reliable for fireground operations. TRUE or FALSE
TRUE
127
To use the percentage method to calculate how much more water a hydrant can supply, you must first calculate the drop in pressure as a WHAT?
percentage
128
Percentage Drop = (static-residual)(100)
----------------------------
static
percentage method
129
0-10% drop of static pressure means you can add how much more water then is already being supplied?
A. 2 times amount being delivered
B. same amount available
C. 3 times amount being delivered
D. more water might be available, but not as much as is being delivered
C. 3 times amount being delivered
130
11-15% drop of static pressure means you can add how much more water then is already being supplied?
A. 2 times amount being delivered
B. same amount available
C. 3 times amount being delivered
D. more water might be available, but not as much as is being delivered
A. 2 times amount being delivered
131
16-25% drop of static pressure means you can add how much more water then is already being supplied?
A. 2 times amount being delivered
B. same amount available
C. 3 times amount being delivered
D. more water might be available, but not as much as is being delivered
B. same amount available
132
25% + drop of static pressure means you can add how much more water then is already being supplied?
A. 2 times amount being delivered
B. same amount available
C. 3 times amount being delivered
D. more water might be available, but not as much as is being delivered
D. more water might be available, but not as much as is being delivered
133
What method is a quick and easy way to calculate available water using psi and gpm, but cannot be used with metrics?
first-digit method
134
Step 1: find the difference in psi between static and residual pressure
What method am I?
first-digit method
135
Step 2: multiply the first digit of the static pressure by 1, 2 or 3 to determine how many additional lines of equal flow may be added
What method am I?
first-digit method
136
In the first-digit method, if the psi drop is equal to or less than the first digit of static pressure multiplied by one, _ additional lines of equal flow may be added.
3
137
In the first-digit method, if the psi drop is equal to or less than the first digit of static pressure multiplied by two, _ additional lines of equal flow may be added.
2
138
In the first-digit method, if the psi drop is equal to or less than the first digit of static pressure multiplied by three, _ additional lines of equal flow may be added.
1
139
What method must the driver note the static pressure of the water system before any pump discharges are open or know the usual static pressure in the water supply system under normal circumstances? (preplanning)
squaring-the-line method
140
What method must the driver have a close idea of the volume of water initially flowed by the pumper?
squaring-the-line method
141
After establishing the idea of the volume of water initially flowed by the pumper and the static pressure, the driver must determine the additional amount of water available and square the number of lines currently flowing and multiply this by the original pressure drop. What method is this?
squaring-the-line method
142
Each time the flow rate is doubled, the pressure drop in the system is quadrupled. TRUE or FALSE
TRUE
143
Water hammer may carry enough force to damage ______ and other equipment, and pressure surges may cause a ______ source to become unreliable.....so change in flow should be slow and smooth!
- hydrants
| - water
144
```
Some pumps may be equipped with pressure dump valves to protect the pump, piping and valves. Set these devices at a point close to the _____ pressure.
A. discharge
B. residual
C. static
D. intake
```
D. intake
145
When shutting down the water supply operation:
* Bring the engine rpms to ___ GRADUALLY
* discontinue a pressure c_____ device if in operation
* close v_____ in slow and smooth motion (the apparatus fire pump should now be disengaged)
* close the h______, slow and smooth
- idle
- control
- valves
- hydrant
146
What are an integral part of the fire protection features of many buildings?
fixed fire suppression systems
147
Fixed fire suppression systems usually consist of automatic WHAT and standpipe systems.
sprinklers
148
```
Sprinkler systems are designed to support the flow of a specified number of fire sprinklers based on the ______ being protected.
A. building
B. people
C. hazards
D. furniture
```
C. hazards
149
```
Most fires are controlled by the activation of relatively _____ sprinklers.
A. many
B. few
C. good
D. expensive
```
B. few
150
Supporting AUTOMATIC sprinklers systems is designed to supply only a fraction number of the total fire sprinklers at any given time. TRUE or FALSE
TRUE
151
Based on WHAT will fire departments have to be prepared to augment the water supply during sprinkler activation.
local policy
152
Will you have to compensate for obstructed or inadequate water supply or improperly closed valves on a sprinkler system? YES or NO
YES
153
Where would you identify the installation of all occupancies with automatic sprinkler systems?
preincident planning
154
```
Should you ID where the FDC and the nearest hydrant is for a building:
A. when you get a call there
B. during preincident palnning
C. when they are installed
D. all of the above
```
B. during preincident palnning
155
What will have a siamese with at least two 2½ inch female connections connect to a clappered inlet OR one large diameter sexless connection?
FDC (fire dept. connection)
156
Where does water that is entering the FDC have to go through so that water from the sprinkler system does not come back into the FDC?
check valve
157
What kind of pressure does the check valve at the FDC have to have in order for it to reach the sprinkler system?
pressure greater than what is holding the check valve closed
158
DEPENDING on local policy, the first arriving or first ALARM engine at a high rise should locate these 2 things.
FDC, closest SUITABLE hydrant or water supply
159
If there is indication of a fire at a high rise with sprinklers, what should the rig who is at the hydrant/water supply and FDC do? (2)
- connect appropriate hoseline to FDC
| - establish water supply with all appropriate connections
160
When interior attack crews are operating hoselines from a combo sprinkler/standpipe AND sprinklers are flowing, what should the pressure supplied to the FDC be based on?
A. safe operating pressure not to damage the standpipe
B. safe operating pressure to keep the clapper open
C. safe operating pressure for the interior crews
D. the pressure from the hydrant
C. safe operating pressure for the interior crews
161
What should you confirm before pumping water to the FDC?
presence of fire
162
Why, besides fire, might a sprinkler system been activated by? (2)
- malfunction
| - tampering with
163
What position should a multistage pump be pumped in at a FDC?
parallel (volume)
164
Should you develop pressure at the FDC quickly or slowly?
slowly
165
What two places might you find the pumping pressure at an FDC (depending on policy of the jurisdiction)? (2) (sprinklers)
- preincident plan
| - printed plate at the FDC
166
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If no pressures are known or given at the FDC, what pressure should you discharge at? (sprinklers)
A. 200 psi
B. 100 psi
C. 250 psi
D. 150 psi
```
D. 150 psi
167
If you pump the general rule of 150 psi at the FDC, if fire attack will be involved, the driver should attempt to obtain accurate info to determine n_____ type, _______ loss and friction _____. Who will give you this report?
- nozzle
- elevation
- loss
- interior attack team
168
When fighting a fire at a highrise with sprinklers, as soon as practical, a ff should be sent to check that the sprinkler control ______ are opened. (except ones on construction/renovation floors)
valves
169
If you open sprinkler CONTROL valves to levels of a high rise under construction/renovation during a fire attack, what will happen to the water supply?
severe loss
170
If there is a stationary fire pump at a high rise that ff are fighting a fire, what should fire fighters be sure of?
that it is operating
171
Why would it be easy, most of the time, for ONLY one FF to open all the fire sprinkler control valves AND make sure that the fire pump is running at a highrise fire?
they are usually both in the same room (fire pump room)
172
Muti-floor and SINGLE floor building with large floor areas can have quicker access to water supply for attack hoseline with the use of this.
standpipe system
173
What two sizes of connections can a standpipe have?
2½ and 1½
174
Where are standpipe connections located?
A. strategic point on every other floor
B. strategic point on every floor
C. strategic point on the 1st and last floor
D. strategic point in the middle of each floor
B. strategic point on every floor
175
What hose might be unlined, single-jacket hose that has not been manufactured or tested to the same standards as fire dept. hose?
house hose at standpipe connections
176
Standpipe systems may be ____ or ___ depending on fire code requirements.
- wet
| - dry
177
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What makes some wet standpipe systems ready to be used as soon as hoselines are stretched and the valve is open?
A. water under pressure
B. check valve
C. easy attach couplings
D. none of the above
```
A. water under pressure
178
What type of standpipe systems must be charged with water form the occupancy's water supply, stationary fire pumps, a fire dept. pumper or a combo of sources?
dry standpipe
179
To insure adequate flow AND pressure in fire fighter operations at a standpipe, what should the fire dept. do?
always support the FDC
180
How would a driver not be confused about which system to pump at when connecting to the FDC?
they should be marked
181
Can some FDCs be combined to supply both an automatic sprinkler system and the standpipe? YES or NO
YES
182
Supply only dry standpipes with the fire dept. pumper to supplement the system's water supply. TRUE or FALSE
FALSE, supply dry and WET
183
Pump discharge pressure for a standpipe depends on variables:
- If flowing over 350 gpm, ___ psi friction for the standpipe
- friction loss for hose from ______ to FDC
- ______ loss for hose on fire floor
- nozzle _____ for type of nozzle in use
- ______ pressure due to height of bldg.
- 25 psi
- pumper
- friction
- pressure
- elevation
184
Generally, the friction loss in the standpipe is ______ unless the flow is very large, such as when two 2½ inch lines are being supplied from the same riser.
small
185
Does a driver have to be familiar with the hose, nozzles in use for standpipe operations in their jurisdiction? YES or NO
YES
186
Does a driver have to be familiar with pressure losses in the FDC and pipe bends? (supporting standpipes) YES or NO
YES
187
Are calculations for friction loss at a standpipe, that include attack lines, layout from pumper, standpipe piping easy and practical to compute under fireground conditions? If not, what 2 things should have been done?
- pre planned pressures
| - developed rule-of-thumb for each building in area
188
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Do NOT use a discharge pressure of ___ psi or over on standpipe operations unless the system, hose, appliances have all been designed for high pressures.
A. 200 psi
B. 150 psi
C. 275 psi
D. 185 psi
```
D. 185 psi
189
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When a pressure-reducing valve is in place at the standpipe, what is the specific pressure reduced to, usually, on each level?
A. 200 psi
B. 150 psi
C. 100 psi
D. 185 psi
```
C. 100 psi
190
If there is a pressure-reducing valve on a standpipe system, the _____ pressure used must be based on the total height of the standpipe or zone being used.
elevation
191
What will happen if the pressure at a particular pressure-reducing valve is less than that for which it was adjusted ? (to hoselines)
inadequate pressure for hoselines
192
Why should ff check for open valves in a dry standpipe system?
vandals may tamper with them
193
If a vandal opened a valve in a dry system, when water is charged it will discharge at all points where caps are off/valves are open. If a large number of points are discharging, it will do what to the amount of water for FF suppression?
greatly reduce the amount
194
Trapped and compressed air from a dry system will be the first to expel out of a dry standpipe system. This air will be gentle. TRUE or FALSE
FALSE, it will be under high pressure
195
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Many manual standpipe systems are designed to be pumped at a pressure of ___ psi at the FDC.
A. 200 psi
B. 150 psi
C. 275 psi
D. 185 psi
```
B. 150 psi
196
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Some standpipes may require ______ in order to be used.
A. warm water
B. hammer
C. adaptation
D. several hoses
```
C. adaptation
197
If a frozen swivel on a 2½ inch connection on the FDC, using adaptation, a double male adapter and THIS can be added to provide movement.
double-female
198
Using a DOUBLE FEMALE and pumping into THIS, support of a standpipe system can be accomplished if the FDC is vandalized or access is blocked.
standpipe connection on the first floor
199
Using the pre-piped waterway or running hose up it's ladder, an aerial device can create and external _________.
standpipe
200
By using the pre-piped waterway or running hose up it's ladder, an aerial device can create and external standpipe. Doing this commits the aerial device the task for the ________ of the incident.
durations
201
Can you hoist up or roll hose down the outside of a building to create an external standpipe?
YES
202
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If you hoist up or roll hose down the outside of a building to create an external standpipe, how often should you secure the hose inside the floors?
A. every one
B. every fifth floor
C. none, it is not needed
D. every two or three
```
D. every two or three
203
_______ hose can be stretched up the interior stairs to take the place of the standpipe system.
supply
204
Supply hose can be stretched up the interior stairs to take the place of the standpipe system. This is often very easy on time, not labor intensive and usually used as the first resort. TRUE or FALSE
FALSE, time consuming, labor intensive and used as last resort
205
IFSTA's Fire Protection, Detection and Suppression Systems manual contains details on operations of.....
automatic sprinklers and standpipes
206
What should you do at the FDC if there is any indication that water supply OR pumping ability may be unattainable or interrupted? (2 peeps)
-notify IC or officer
207
Who will make appropriate decisions to ensure operational SAFETY and EFFECTIVENESS if at the FDC if there is any indication that water supply OR pumping ability may be unattainable or interrupted?
IC or officer
208
Using a logical process to trace the problem to its source and then attempts to troubleshoot. Who should do this if at the FDC if there is any indication that water supply OR pumping ability may be unattainable or interrupted?
Driver/operator
209
A problem would occur if you are supplying the FDC and water supply TO the apparatus is interrupted. Follow logical ____ back to determine the source of the problem.
steps
210
Would you ask other FF for help in determining a problem with the supply coming into the apparatus at an FDC? YES or NO
YES
211
If a line is intact, and there is a problem with the supply coming into the apparatus at an FDC, the ______ may be compromised; a hydrant or water ____ may have failed, or a ______ folding tank or tender may need replenished.
- source
- main
- portable
212
To gain a fresh perspective in search of the cause and solution to a problem with the supply coming into the apparatus at an FDC, a driver should enlist the help of WHOM?
another driver
