2-34.
What raises and lowers the barricade
stanchions?
1.
Hydraulic cylinder
2.
Counterbalancing springs
3.
Tensioning pendants
4.
Stanchion latch
2-35.
What cushions the barricade stanchions fall
against the deck?
1.
Hydraulic cylinder
2.
Counterbalancing springs
3.
Tensioning pendants
4.
Stanchion latch
2-36.
What secures the barricade stanchions in the
down position?
1.
Hydraulic cylinder
2.
Counterbalancing springs
3.
Tensioning pendants
4.
Stanchion latch
2-37.
What is the approximate fluid capacity of the
barricade power package gravity tank?
1.
75 gal
2.
125 gal
3.
150 gal
4.
200 gal
2-38.
Which parts of the barricade power package
hydraulic
control
system
operate
in
conjunction to maintain accumulator pressure
within specified limits?
1.
Air charging valve and motor controller
2.
Motor controller and gauge valve
3.
Pressure
sensing
switch
and
motor
controller
4.
Pressure sensing switch and air charging
valve
2-39.
At what approximate pressure will the safety
head in the power package accumulator
rupture?
1.
1,500 psi
2.
1,600 psi
3.
1,750 psi
4.
2,000 psi
2-40.
Of the two broad maintenance categories,
corrective
maintenance
is
preferred
over
preventive maintenance.
1.
True
2.
False
2-41.
Newly installed hydraulic seals should be
pressure tested for at least how long before
recovery operations are resumed?
1.
90 min
2.
60 min
3.
45 min
4.
30 min
2-42.
What condition will result from the stretching
of newly installed purchase cables?
1.
It causes the crosshead to move away from
the crosshead stop, increasing the fluid
capacity of the hydraulic system
2.
It causes the crosshead to move away from
the crosshead stop, decreasing the fluid
capacity of the hydraulic system
3.
It causes the crosshead to move toward the
crosshead
stop,
increasing
the
fluid
capacity of the hydraulic system
4.
It causes the crosshead to move toward the
crosshead
stop,
decreasing
the
fluid
capacity of the hydraulic system
2-43.
When must newly installed purchase cables be
detorqued?
1.
Between the first 50 to 60 landings and
every 200 thereafter
2.
After the first 60 landings and every 300
thereafter
3.
Before 50 landings are reached and every
150 thereafter
4.
At the discretion of the maintenance
officer
2-44.
After the wire rope has been cut, what is the
next step in preparing it for terminal pouring?
1.
Clean the end with chlorinated degreasing
solvents
2.
Straighten the strands
3.
Remove the seizing from the cut end
4.
Remove the appropriate amount of the
hemp center
2-45.
What solvent is used to degrease and clean the
broomed out end of the wire rope?
1.
GRISOLVE PEG-2
2.
ZINC CHLORIDE
3.
TRICHLOROETHANE
4.
AMMONIUM CHLORIDE
10
