4.5 JP-5 Service System

Question 1

Service Pumps are Centrifugal type with a capacity of what?

Answer 1

1,100 gpm at 150 psi

Question 2

The JP-5 service system is used to supply filtered JP-5 to aircraft fueling stations, on the flight and hangar deck, for what purpose?

Answer 2

aircraft fueling/defueling

Question 3

The Double Diaphragm Air Operated Portable Defuel Pump is used to remove ________ from various spaces and tanks.

Answer 3

liquid

Question 4

What is the Double Diaphragm Air Operated Portable Defuel Pump rated at?

Answer 4

155 gpm at 110 psi

Question 5

How many Ball Valves are in the “Double Diaphragm” pump?

Answer 5

4

Question 6

What allows liquid to exit the pump through a 2” male connection located at the top of the pump?

Answer 6

Discharge manifold

Question 7

The “Double Diaphragm” pump is not to exceed how many psi?

Answer 7

125

Question 8

The “Double Diaphragm” pump runs off of what kind of air?

Answer 8

Low pressure air

Question 9

One of the main purposes of the JP-5 Service System is to return unused JP-5 to what?

Answer 9

the stowage tanks

Question 10

What is used to store purified JP-5 supplied from the fill and transfer system?

Answer 10

Service Tanks

Question 11

How many groups of service tanks are there?

Answer 11

2 (forward and aft)

Question 12

Within the JP-5 Service System how many service pumps are installed?

Answer 12

8 (4 in forward pumproom, 4 in aft pumproom)

Question 13

The service pumps are centrifugal force type with what capacity?

Answer 13

1,100 gpm at 150 psi

Question 14

The service pump is fitted with an orifice which allows for how much fuel flow for cooling?

Answer 14

55 gpm

Question 15

The Defuel Pump is a rotary vane type with what capacity?

Answer 15

100 gpm at 15 psi

Question 16

How many minutes will it take the service pump to shut down if 35 psi discharge pressure is not reached?

Answer 16

3