Pump 13

Question 1

The ($$$$$) also called the supply pumper is that pumper connected to the water supply at the beginning of the relay operation, if should be the engine with the largest pump capacity.

Answer 1

Source pumper.

Question 2

The ($$$$$) some times referred to as the in line pumper, is a pump or pumpers connected within the relay that receives water from the source pumper or another relay pumper, boosts the pressure, and then supplies water to the next apparatus in the relay.

Answer 2

Relay pumper

Question 3

The ($$$) is the engine or other pumping apparatus located at the fire scene that will be receiving water from the relay and supplying attack lines and appliances as needed for fire suppression.

Answer 3

Attack pumper

Question 4

($$$$$$) also called relay relief valves re intended to enhance fire fighter safety and reduce the possibility of damage to the pump and discharge hose lines caused by water hammer when valves are classed to quickly.

Answer 4

Intake pressure relief valves

Question 5

Not all intake pressure relief valves are adjustable those that are should be set within ($$$$) of the static pressure of the water system supplying the pumper or ($$$$$) above the discharge pressure of the previous pump in the relay.

Answer 5

10 psi

10 psi

Question 6

Hose should be pumped at pressure that do not exceed ($$$$) of the annual service test pressure.

Answer 6

90%

Question 7

The ($$$$$$$) method involves flowing a predetermined volume of water for the maximum distance that it can be pumped through a particular hose lay.

Answer 7

Maximum distance relay-method

Question 8

All fire department pumpers are rated to flow their maximum volume at ($$$$$$), 70% of their max volume at ($$$$$). And 50% at ($$$)

Answer 8

150 psi
200 psi
250 psi

Question 9

Total number of pumpers needed

Answer 9

Relay distance + 1 = total pumpers needed

Question 10

A second type of relay pumping ovation that fire departments might use is the($$$$$) . This relay method provides the maximum flow available from a particular relay setup by using constant pressure in the system

Answer 10

Constant pressure relay

Question 11

A relay operation always begins with the ($$$$$$).

Answer 11

Source pumper

Question 12

If equipped with the newer and most sensitive pressure governors, the attack pumper should be set in ($$$$$$) mode while all other in the relay should be set in ($$$$) mode

Answer 12

Pressure mode

Rpm

Question 13

Relay operations should be shut down from the($$$$) first

Answer 13

Fire scene