Module 4- Pump charts

Question 1

Table 3.5 - Relay pumping  

Answer 1

When undertaking relay operations, 350 kPa is the initial starting pressure and then it should slowly be increased to 800kPa  

Maintain min. 150kPa on the compound gauge  

Do not exceed 1260kPa discharge on supply engine  

Question 2

when all nozzles are closed on the attack engine, operating relay engines over 1100kPa

Answer 2

will activate the internal pressure relief device on all engines upstream of the base engine  

Question 3

 
Table 3.9 - Water shuttle operations  

Answer 3

Tender water tank size – 10% indicates that tenders generally only empty 90% of their load  

Question 4

Shuttle operations - Travel time

Answer 4

time it takes to travel to and from the fill site 

Question 5

Shuttle operations - Handling time

Answer 5

time in minutes required to maneuver into position at the fill site, make connections, and fill the tank; added to the time to maneuver into position at the dump site and dump tank