IFSTA 15 Apparatus testing

Question 1

What are the two types of testing for apparatuses

515

Answer 1

Pre-service test and performance tests

Question 2

Define preservice tests

Answer 2

Driver operator usually not involved,
but may assist

types of tests include
Manufacture
pump certification
acceptance

NFPA standards generally used

Question 3

How often are performance tests Performed

Answer 3

On an annual basis and after major repairs

Question 4

What characteristics are included in the manufacturers portion of a pre-service test

Answer 4

Road test

hydrostatic test

Question 5

What acceleration standard is used for the road test within 25 seconds

Answer 5

Accelerate to 35 miles per an hour within 25 seconds

Question 6

What is the maximum top speed that must be achieved during the road test

Answer 6

50 mi. per an hour

Question 7

At what speed and distance must and apparatus come to a stop during the road test

Answer 7

20mph stop in 35’

Question 8

What is the standard of the hydrostatic test during the manufacturers testing portion

Answer 8

Tank fill, tank to pump, valves are subjugated to a minimum hydrostatic test of
500 psi for a minimum 10 minutes

Question 9

NFPA 1911

Answer 9

standard for inspection, maintenance & testing

Question 10

site consideration for pump performance testing at draft

Answer 10

Distance from centerline of pump intake above surface water will be based on capacity

1500 GPM or less 10 feet
2000 GPM 6 feet

Question 11

What range of air temperature should exist when performing pumper performance test

Answer 11

0 - 110

Question 12

What range of water temperature should exist when performing pumper performance tests

Answer 12

35-90

Question 13

What minimum barometric pressure (inches of mercury) should exist during pumper performance testing

Answer 13

29” of mercury

Question 14

What is the minimum diameter of hose line to be used while conducting pumper performance test

Answer 14

2 1/2”

Question 15

During testing if A mark on a hose coupling moves more than —— amount of inches from the coupling testing should stop and replacement of hose should occur

Answer 15

3/8”

Question 16

Define net pump discharge pressure

Answer 16

Difference between intake pressure and discharge pressure

Question 17

At what psi intervals is the pump tested at during performance testing

Answer 17

150
165
200
250

Question 18

All gauges used for service testing must be calibrated within how many days of testing

Answer 18

60

Question 19

During testing if a flowmeter is not being used what type of nozzle must be attached to the hose

Answer 19

smoothbore

Question 20

During testing if a flow meter is used what type of nozzle may be attached to the hose

Answer 20

smoothbore or fog

Question 21

during testing, the flow meters used must be + or - what percent accuracy

Answer 21

5%

Question 22

which test is generally conducted first while conducted performance evaluations

Answer 22

vacuum test

Question 23

how many inches of mercury must be achieved during vacuum testing

Answer 23

22”

Question 24

fire pumps of 1250 gpm and 1500 gpm must achieve a prime within how many seconds

Answer 24

1250 - 30 seconds or less

1500 - 45 seconds

Question 25

pumpers with a tank capacity of 500 gallons or less must be capable of flowing how many gpm

Answer 25

250

Question 26

pumpers with a tank capacity greater than 500 gpm must be capable of flowing a minimum of

Answer 26

500 gpm

Question 27

if an apparatus achieves less than 90% of its original rated capacity what 2 options exist

Answer 27

may be removed from service & repaired

be given a lower rating

Question 28

true or false, NFPA 1911 requires foam proportioning devices to be tested on an annual basis

Answer 28

false

Question 29

what 4 methods are used to test foam proportioning equipment

Answer 29

displacement method
pump discharge volume method
solution refractivity method
solution conductivity method

Question 30

what does concentrate displacement method test

Answer 30

accuracy of volume of concentrate drawn through system

Question 31

what does pump discharge volume method test

Answer 31

direct injection systems

Question 32

define refractometer

Answer 32

measures amount of foam concentrate in the solution. using light velocity like x ray