Chapter 15

Question 1

When conducting pump performance tests using a static water source, how deep must the water be

Answer 1

4 ft

Question 2

foam proportioner tests verifies the ability of the foam product to conduct electricity

Answer 2

Foam solution conductivity test

Question 3

During service testing, personnel should operate the engine throttle slowly in order to help prevent which potentially dangerous situation from occurring

Answer 3

Sudden pressure changes

Question 4

When conducting pumper performance testing, the air temperature should always be above

Answer 4

0°F

Question 5

For a pumper with a 1,250 gpm (5 000 L/min) capacity, how quickly must it achieve prime during the priming system performance test

Answer 5

30 seconds or less

Question 6

If a flowmeter is used during performance testing, what piece of equipment may be used in place of smooth bore nozzles

Answer 6

Fog nozzles

Question 7

likely to happen if an apparatus achieves results of less than 90 percent of its originally rated capabilities

Answer 7

It will be placed out of service and restored to its original capabilities

Question 8

The engine speed interlock test is part of which category of preperformance tests

Answer 8

Pump certification tests

Question 9

A pitot tube is required if a _____ is not used during performance testing.

Answer 9

flowmeter

Question 10

Who is in charge of performing pump certification tests?

Answer 10

Independent testing organizations

Question 11

Which test is performed to ensure that the pumps and associated piping are capable of withstanding high pressure pumping demands

Answer 11

Hydrostatic testing

Question 12

During the tank-to-pump flow test, pumpers with an onboard capacity of greater than 500 gallons (2 000 L) must be capable of flowing at least

Answer 12

500 gpm

Question 13

foam proportioner tests checks the volume of foam concentrate that is drawn through the system

Answer 13

Foam concentrate displacement method

Question 14

In addition to yearly testing as required by NFPA® 1911, at what other times should pumper performance be tested?

Answer 14

Whenever the apparatus has undergone major pump or powertrain repair

Question 15

What piece of equipment is used to determine engine speed during performance testing

Answer 15

Tachometer

Question 16

What should be done if the pump fails to reach 22 inches of mercury

Answer 16

Remove the apparatus from service until repairs can be made

Question 17

Foam proportioning equipment testing should occur before being placed in service and

Answer 17

periodically thereafter.

Question 18

foam proportioner tests measures the velocity of light that travels through foam and compares it to a base reading

Answer 18

Foam solution refractivity test

Question 19

When road tests are conducted as part of manufacturers’ testing, what type of conditions should be present

Answer 19

Flat, dry, paved roads in good condition

Question 20

What is the maximum speed that must be reached by apparatus during road tests?

Answer 20

50 mph

Question 21

What is the purpose of acceptance testing

Answer 21

To demonstrate to the purchaser that the apparatus conforms to all bid specifications at the time of delivery

Question 22

Which pieces of equipment are evaluated for air leaks using a vacuum test

Answer 22

Priming device, pump, and intake hose

Question 23

A flowmeter might be used instead of a pitot gauge during a pump performance test, because flowmeters are

Answer 23

more efficient.

Question 24

Which standard is commonly used as a basis for most apparatus bid specifications

Answer 24

1901

Question 25

Which of the following factors would be MOST important to consider when correcting net pump discharge pressure for apparatus testing

Answer 25

Friction loss in the intake hose

Question 26

included in the minimum requirements of NFPA® 1901 for apparatus performance testing

Answer 26

overload test

Question 27

verifies that the piping between the onboard tank and pump is sufficient to supply the minimum amount of water as specified by NFPA® 1901 and the design of the manufacturer

Answer 27

Tank-to-pump flow test

Question 28

tests are more important for jurisdictions located at least 2,000 ft (600 m) above sea level

Answer 28

Pumping engine overload test

Question 29

foam proportioner tests discharges foam at a predetermined flow into a calibrated tank for a specific period of time?

Answer 29

Foam concentrate pump discharge volume method

Question 30

all gauges used for service testing must be calibrated within _____ of testing

Answer 30

60 days

Question 31

likely to happen if an apparatus fails to comply with bid specifications?

Answer 31

The apparatus will be rejected by the purchaser.

Question 32

apparatus performance tests requires that a discharge hoseline from a second pumper be connected to the apparatus being tested

Answer 32

Internal intake pressure relief valve test

Question 33

dangerous substances should be monitored for during service testing

Answer 33

Carbon monoxide

Question 34

performed in a three-part sequence and may be completed while the pump is still set up after the pumping test?

Answer 34

Pressure control test

Question 35

When conducting discharge pressure gauge and flowmeter operational tests, a difference in readings between the flowmeter and pitot gauge must not be more than:

Answer 35

10 percent.

Question 36

Pump testing should be performed

Answer 36

during both acceptance tests and certification tests

Question 37

If a jurisdiction seeks special requirements from the manufacturer to ensure that the apparatus will perform as required under local conditions, they may be written into the bid specifications as

Answer 37

performance requirements