2-9.
2-10.
2-11.
2-12.
What device is installed on the
retract valve operating lever to
eliminate chatter?
1.
A return spring and tie rod
2.
A plunger
3.
A shock absorber
4.
A 6-inch-square neoprene impact
pad
The Mk 7 Mod 2 and the Mk 7 Mod 3
arresting engines have what is
described as a recirculating type
hydraulic system.
1.
True
2.
False
What position must the arresting
engine crosshead be in when you
check the engine accumulator fluid
level?
1.
Drain
2.
Fill
3.
off
4.
Battery
The accumulator fluid indicator
will indicate what reading, if any,
if the piston striker rod is NOT in
contact with the actuator rod?
1.
Drain
2.
Fill
3.
Battery
4.
None; no reading will be
indicated
2-13.
What is the purpose of the fluid
replenishment system?
1.
To replace or remove small
amounts of fluid in the
hydraulic system
2.
To replace large amounts of
fluid lost due to leakage
3.
To provide a means of
hydraulically setting the CRO
valve
4.
To allow adjustment of the
battery position of the
crosshead
2-14.
Which of the following statements
regarding the fluid stowage system
is INCORRECT?
1.
Each arresting engine has its
own stowage tank
2.
The tank is common to all
arresting engines
3.
The tank can stow all the fluid
from one arresting engine
4.
The capacity of the tank varies
depending on the engine
modification
2-15.
What devices prevent corrosion of
the cooling tubes in the fluid
cooler?
1.
Copper baffles
2.
Replaceable anodes
3.
Replaceable cathodes
4.
Rust inhibitors
2-16.
Which components make up the actual
engine of the arresting gear?
1.
The crosshead and ram assembly
2.
The CRO valve and drive system
3.
The CRO valve, cylinder, and
fixed end
4.
The cylinder and ram assembly
2-17.
The outer end of the ram is
attached to the crosshead by what
device(s)?
1.
A snap ring
2.
A bearing sleeve and retainer
3.
A split flange
4.
Pressure clamps
2-18.
Which of the following parts enable
lubricant to be retained in the
cage and roller bearing assemblies
of the crosshead sheaves and the
sheaves of the fixed sheave
installation?
1.
Leather spacers
2.
Phenolic spacers
3.
Steel spacers
4.
Inner steel disc spacers
2-19.
What purpose do the crosshead
mounted slippers serve during
arresting engine operation?
1.
They absorb shock
2.
They support the crosshead
3.
They guide the crosshead
4.
They act as a bearing surface
2-20.
What is the operating pressure of
the automatic lubrication system?
1.
70 to 80 psi
2.
75 to 85 psi
3.
60 to 70 psi
4.
40 to 50 psi
2-21.
What is the proper amount of spring
tension to be maintained on the
hose reel of the automatic
lubrication system?
1.
20 lb ± 1/2 lb
2.
14 lb ± 1 lb
3.
9 lb ± 1/2 lb
4.
5 lb ± 1 lb
7
