3-61.
The cabin temperature control sensor
is designed to control the cabin
temperature within what number of
degrees of the selected temperature?
1. ±3
2. ±7
3. ±10
4. ±ll
3-62.
In the ram-air augmentation mode, the
ram-air shutoff valve regulates
downstream pressure to what fixed
differential above cabin pressure?
1.
7.5±2
2.
5.5±1
3.
3.0±.5
4.
4.0±l
3-63.
During manual operation, what switch
is used to position the ram-air
shutoff valve?
1.
Cabin pressurization
2.
Air-conditioning
3.
Auxiliary vent
4.
Temperature select
3-64.
When the air conditioning auto-
matically shuts down and the ram-air
shutoff valve is fully open, what
action, if any, must be taken to
restore normal operation?
1. 70°F to 90°F
2. 60°F to 80°F
3. 65°F to 85°F
4. 75°F to 95°F
1.
Secure the AUX VENT switch
2.
Turn the air-conditioning switch
to OFF and then to ON
3.
Turn the air-conditioning switch
to OFF, then to RESET, and then
to ON
4.
None
3-65.
What valve is controlled by the aux
vent switch?
3-66.
What is the function of the
environmental control panel?
1.
To control temperature
2.
To control pressurization
3.
To control anti-icing function
4.
All the above
3-67.
The ground-aircheck valve is a
split-flapper valve which is spring-
loaded to the open position until
engine start-up.
1. True
2. False
3-68.
What component(s) interconnect with
the ram-air high and low-temperature
limit switch circuitry?
1.
Auxiliary vent switch
2.
Bleed-air flow control valve and
ram-air shutoff switch
3.
Both 1 and 2 above
4.
Aux bent valve and aux vent
switch
3-69.
With the cabin air temperature
selector in the automatic mode
within what temperature range can
the cabin temperature be selected?
3-70.
What is the temperature limit on the
cabin temperature control valve
while in the automatic mode?
1.
160°±5°F
2.
160°±15°F
3.
185°±5°F
4.
185°±15°F
1.
Cabin temperature modulating
valve
2.
Ram-air valve
3.
Aux-vent valve
4.
Cabin-outflow valve
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