IFSTA Apparatus Operator

Question 0

How many gallons does it take to be a mobile water supply

Answer 0

1,000 gallons

Question 1

What is the minimum pump capacity for a pumper

Answer 1

750 gpm

Question 2

What is the minimum pump capacity of an aerial apparatus

Answer 2

250 gpm at 150 psi

Question 3

What is the difference in a converter and alternator

Answer 3

Alternator converts AC into DC for use by the engine, inventor converts DC to AC for use by personnel

Question 4

How do you check the water level in the tank

Answer 4

Visually

Question 5

What grade should the parking break be able to hold the apparatus

Answer 5

20%

Question 6

When driving 5 miles per hour, what’s the max stopping distance allowed

Answer 6

20 feet

Question 7

Traffic accidents are the second leading cause of traffic accidents?

Answer 7

Yes

Question 8

When do most accidents occur

Answer 8

During ideal vision and road conditions

Question 9

Curves and downhill, when do you downshift

Answer 9

Before entering the curve or downhill

Question 10

Per IFSTA how many backers should be used

Answer 10

2

Question 11

When is driving into oncoming traffic not recommended

Answer 11

When traffic cannot see you for any reason

Question 12

What is total stopping distance

Answer 12

The sum of reaction distance and vehicle breaking distance

Question 13

The most common cause of skids involve what

Answer 13

Driver error

Question 14

How much does snow and ice increase the stopping distance

Answer 14

3-15 times

Question 15

At what speed will apparatus outrun the siren

Answer 15

50 mph

Question 16

Ow should apparatus be positioned if front suction is being used

Answer 16

45 degree angle

Question 17

How is tandem pumping different than relay pumping

Answer 17

Engines are parked closely together instead of evenly spaced, other than that it is the same

Question 18

In dual pumping how are apparatus set up? Tandem?

Answer 18

Dual pumping, intake to intake.

Tandem, discharge to intake

Question 19

How do you calculate head pressure

Answer 19

Height of the water above discharge divided by 2.304

Question 20

What is the minimum flow setting for interior firefighting

Answer 20

95-100 gpm

Question 21

What is the discharge rate for a 21/2 and 4 inch outlet

Answer 21

250 and 625 gpm

Question 22

In a two stage pump what is most effective for cooling

Answer 22

A circulator valve, the tank fill may only come off the first stage of the pump, causing heat buildup in the second stage

Question 23

Valves over three inches need what

Answer 23

Slow acting valve control over 3 seconds

Question 24

The pressure relief valve does not allow how much of a pressure spike

Answer 24

Will not exceed 30 psi above the set pressure of the relief valve

Question 25

Per IFSTA when should the apparatus be choked

Answer 25

Every time the apparatus is stopped with the engine running and the operator out of the cab

Question 26

When should a two stage pump be switched from pressure to volume

Answer 26

When it appears that over 50% of the rated capacity of the pump is going to be used

Question 27

What is the first step in choosing a hydrant

Answer 27

Choose the most appropriate hydrant

Question 28

How much does atmospheric pressure decrease as elevation increases

Answer 28

.5 psi for every 1,000 feet in elevation

Question 29

Three things in consideration when selecting a draft site

Answer 29

Amount of water, type of water, accessibility of waters

Question 30

Per IFSTA how much water should be over the strainer when drafting in order to reach max capacity

Answer 30

2 feet all around the strainer

Question 31

What should you do to the pump after drafting

Answer 31

Flush with cleans water

Question 32

What is the most common type of contamination in water

Answer 32

Sand or dirt

Question 33

At twenty feet above the water source when drafting, what is the capacity of the pump

Answer 33

60 percent of it's rated capacity

Question 34

What is the most common cause of inability to draft

Answer 34

Air leak

Question 35

Equation for evaluating the flow in a small stream

Answer 35

Flow = A x V x 7.5 A equals width times the depth V equals velocity if feet per second

Question 36

How close to the desired pressure should your relief valve be set

Answer 36

With 10 psi

Question 37

What is relay pumping based on

Answer 37

Amount of water needed and distance

Question 38

Where does a relay evolution always begin

Answer 38

With the source pumper

Question 39

Where does the relay pumping begone it's shut down

Answer 39

Attack pumper

Question 40

What are the two primary means of getting water to remote areas

Answer 40

Relay pumping and water shuttle

Question 41

Which is safer, relay pumping or water shuttle

Answer 41

Relay pumping

Question 42

What is needed for a water shuttle operation

Answer 42

Pumper sand water tenders

Question 43

What three things must a water tender be able to do

Answer 43

Discharge water at 1,000 gpm average, one direct fill port, a tank to pump valve that can give 500 gpm to the pump

Question 44

What are the three things to consider before starting a water shuttle

Answer 44

Location of dump site, location of fill site, and route of travel

Question 45

What does IFSTA recommend regarding fill site operations

Answer 45

A pumper be used to fill tenders at all sites even if a hydrant or static water source is used

Question 46

How should flow through LDH hose be controlled

Answer 46

At the pumper, not by a hose clamps

Question 47

What is the proffered arrangement of setting up multiple portable tanks

Answer 47

Diamond shape

Question 48

What is the acceptable amount a coupling is allowed to slip during hose testing per IFSTA

Answer 48

No more than 3/8 of an inch