5-7.
From an operational standpoint,
5-10.
what happens to the compressor
motor and evaporator fan motor
when the aircraft is in flight
with the landing gear down,
either engine in autofeather
position, and the equipment
cooling switch in the ON
position?
1.
Compressor motor and fan
motor will continue to
5-11.
operate
2.
Compressor motor and fan
motor will stop operating
3.
Compressor motor will
continue to operate and fan
motor will stop operating
4.
Compressor motor will stop
operating and the fan motor
will continue to operate
5-12.
5-8.
The high-speed cutout switch will
cause the equipment cooling
caution light in the cockpit to
come on if the refrigerant
pressure exceeds what pressures?
1. 225 ±10 psi
2. 225 ±5 psi
3. 250 ±10 psi
4. 250 ±5 psi
1. 36°F
2. 38°F
3. 40°F
4. 42°F
5-9. If the high-pressure cutout
switch fails to function
properly, at what pressure will
the relief valve in the compres
sor discharge line open?
What component of the condenser
assembly provides a signal to
control the position of the
condenser flap to regulate
pressure?
1.
Actuator
2.
Expansion valve
3.
Pressure transducer
4.
High side controller
What component prevents surges in
the refrigerant flow rate of the
vapor cycle system?
1.
Receiver
2.
Evaporator
3.
Check valve
4.
Thermostatic expansion valve
The refrigerant temperature in
the vapor cycle system is
maintained between 29.8° and
32.9° ±0.6°F. This will produce
approximately what temperature in
the equipment compartments?
5-13. At what fan inlet temperature
will the low temperature cutoff
switch de-energize the compres-
sor power relay?
1. 323 psi
2. 324 psi
3. 325 psi
4. 326 psi
1. 28°F
2. 29°F
3. 30°F
4. 31°F
31