4-47.
Which of the following operations
requires flushing the entire JP-5
service system?
1.
Shipyard overhaul
2.
Major rework on the system
3.
Drainback for maintenance
4.
Each of the above
4-48.
Where are samples of JP-5 obtained
when flushing the service system?
1.
From a test connection on the
pressure fueling nozzle
2.
From the telltale valve on the
double-valved manifold
3.
From the sample connection in
the aft-service pump discharge
header
4.
Both 2 and 3 above
4-49.
What is the Navys largest
pollution problem?
1.
Air pollution
2.
Noise pollution
3.
Dioxin pollution
4.
Oil pollution
4-50.
Which of the following is an
incorrect statement about the
functions of the Cla-Val
fuel/defuel valve?
1.
It acts as an emergency shutoff
valve
2.
It evacuates the entire piping
system
3.
It maintains a constant
discharge pressure
4.
It relieves discharge pressure
rising above a predetermined
level
4-51.
In the main valve, the fueling
valve and defueling valve each uses
a well supported and reinforced
diaphragm as its operating means.
Normally each valve is in what
position?
1.
The fueling valve is spring-
loaded open and the defueling
valve is held open by its
weight
2.
The fueling valve is spring-
loaded closed end the defueling
valve is held open by its own
weight
3.
The fueling valve is held
closed by its own weight and
the defueling valve is spring-
loaded open
4.
The fueling valve is held open
by its own weight and the
defueling valve is spring-
loaded closed
4-52.
Which valve in the Cla-Val unit
controls the delivery pressure when
the main valve is in the fueling
mode?
1.
Fueling pressure relief control
valve
2.
Defueling pressure relief
control valve
3.
Pressure reducing control valve
4.
Hytrol valve
4-53.
Spring action holds which of the
following valves open?
1.
Fueling pressure relief control
valve
2.
Defuellng pressure relief
control valve
3.
Defueling main valve
4.
Pressure reducing control valve
4-54.
Which valve shifts the Cla-Val unit
from the defuel to the fuel mode of
operation, and from the fuel to the
defuel mode of operation?
1. SOPV
2.
Hytrol valve
3. Defueling valve
4.
Pressure reducing control valve
29