(REFER TO FIGURE 2-2 IN THE TEXT TO
ANSWER ITEMS 2-50 THROUGH 2-54.) IN
ITEMS 2-50 THROUGH 2-54, SELECT FROM
2-50.
2-51.
COLUMN B THE COMPONENT IN THE CANOPY
SYSTEM THAT PERFORMS THE FUNCTION(S)
LISTED IN COLUMN A. COMPONENTS IN
COLUMN B MAY BE USED MORE THAN ONCE.
A. Functions
B. Components
Operates on
1.
Flow
nitrogen pres-
regulators
sure received
from the canopy 2.
Timer
pneumatic con-
check
trol on the
valve
module canopy
pneumatic timer 3.
canopy-
lock
Vents pneumatic
pneumatic
A. Functions
pressure from the
actuator
canopy hydraulic
actuator to the 4.
Canopy
canopy pneumatic
pneumatic
2-54.
control module
timer
for canopy closing
2-52. Vents/pressurizes the canopy
hydraulic actuator shutoff valves
2-53. Controls the operational speed of
the canopy hydraulic actuator
Moves the canopy forward to the
locked position or aft to the
unlocked position
2-55. {Refer to figure 2-2 in the
text.) What valve prevents the
canopy pneumatic reservoir from
going to zero pressure when a
leak develops in the system’s
servicing charging module?
1.
Restrictor
2.
Relief
3.
Shutoff
4.
Check
2-56. (Refer to figure 2-2 in the
text.) When auxiliary mode is
selected to unlock the canopy,
nitrogen is directed to the
unlocking side of the canopy-lock
pneumatic actuator at what
pressure?
1.
225 psi
2.
325 psi
3.
3,000 psi
4.
4,100 psi
IN ITEMS 2-57 THROUGH 2-61, SELECT FROM
COLUMN B THE COMPONENT IN THE CANOPY
SYSTEM THAT PERFORMS THE FUNCTION(S)
LISTED IN COLUMN A. COMPONENTS IN
COLUMN B MAY BE USED MORE THAN ONCE.
2-57. Allows normal
pneumatic pres-
sure or auxiliary
pneumatic
pressure to
enter the canopy
lock pneumatic
actuator
2-58. Causes the module
valves to lock
pressure in the
canopy hydraulic
actuator for
canopy counter-
balance
2-59. Permits auxiliary
B. Components
1. Low
pressure
Sensor
2. 325 psi
pressure
reducer
3. Shuttle
Valve
4. Auxiliary
Unlock
pneumatic
release
valve
pneumatic reservoir
pressure to be
applied to the shuttle
valve
2-60. Provides the normal operating
pneumatic pressure for the system
2-61. Operates the No. 5 and No. 6
valves in the pneumatic control
module
2-62.
Which of the following valves
will prevent aver-pressurization
of the canopy pneumatic system?
1.
Reservoir relief
2.
1250 psi relief
3.
500 psi relief
4.
Restrictor
12
