Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Asys 340 A > MOD 5 > Flashcards

MOD 5 Flashcards

1
Q

The largest drop in temperature in an ACM occurs as the air passes through the _____________

A

expansion tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Match the vapour cycle system components to their definitions. -Meters out low pressure, low temperature liquid refrigerant. 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

thermal expansion valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Pressurized aircraft can use cabin ventilation systems

A

Only when unpressurized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What three instruments are commonly found in large aircraft to monitor the pressurization system?

A

cabin vsi cabin altimeter cabin differential pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Large aircraft outflow valves are controlled by

A

AC and DC electric motors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Hydrostatic testing is used on

A

High pressure oxigen bottles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What two heater components are inspected in AD 2004-21-05?

A

-combustion liner -combustion air pressure switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the pressure relief valve on the______(50 %)(outflow/safety) valve is set slightly higher than the______(50 %)(outflow/safety) valve

A

safety, outflow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the difference between a shroud style heater and an intensifier tube?

A

An intensifier tube is mounted inside the exhaust pipe and the shroud is outside the exhaust pipe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The heat required for a liquid to be transformed a vapour is called

A

latent heat of evaporation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Pilot controlled thermostatic switch

A

Duct Switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Normally open thermostatic switch

A

Purge switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Used by pilot to latch K-10 relay

A

Heater Start Switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

on our small to medium sized aircraft pressurization systems, the _____________ valve does most of the work on a normal pressurized flight

A

outflow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

__________________ is caused when there’s not enough pressure to allow the oxygen to be absorbed into the blood.

A

anoxia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Set at 0.2 psi

A

Combustion air pressure switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Overall system safety switch

A

Overheat Switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

On our small to medium sized aircraft pressurization systems, the outflow valve performs how many functions?

A

Three

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Turns on combustion blower

A

Off/Vent/Heat Switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

All refrigerant must be converted to a ____________ before entering the compressor

A

vapour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

When the set temperature is reached, K-10 is unlatched

A

Overheat Switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

All aircraft must be operated with a cabin altitude less than 8000’ True or False

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Match the vapour cycle system components to their definitions. -Refrigerant enters as high pressure, high temperature vapour and leaves as high pressure, high temperature liquid 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

condensor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What will cause the Heater Fault Light to illuminate?

A

The Combustion Air Pressure Switch opening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Acts as backup to duct switch

A

Cycle Switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Which of the following is not used to provide air to the ACM? 1.APU bleed air 2.Main engine bleed air 3.Ground cart 4.Ram air

A

Ram air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

AD CF90-03R2 requires that a leak test be performed on all exhaust type heaters every year or 150 hours true or false

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Match the vapour cycle system components to their definitions. -Acts as system reservoir 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

Receiver Dryer

29
Q

When filling an onboard oxygen bottle we purge the lines by?

A

allowing a small amount of oxygen to flow through the service line before attaching to the oxygen servicing fitting

30
Q

_________is caused when there is not enough pressure to allow the oxygen to be absorbed into the blood

A

anoxia

31
Q

Match the vapour cycle system components to their definitions. -Drives the refrigerant around the system 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

compressor

32
Q

Match the vapour cycle system components to their definitions. -Acts as system filter 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

Receiver Dryer

33
Q

What should be checked before opening the window on the Cessna 185 in flight?

A

Airspeed

34
Q

These control the flow of bleed air through the air cycle system

A

pack valves

35
Q

When filling an onboard oxygen bottle from a cascade cart, you should start with the supply bottle that:

A

as the lowest pressure which is above the pressure of the bottle being filled.

36
Q

ECS does not control what on an aircraft -Cabin air pressure -Cabin air temperature -Cabin air contamination -Cabin air oxygen concentration

A

-Cabin air oxygen concentration

37
Q

Adjustable thermostatic switch

A

Duct Switch

38
Q

The _____________ valve opens when the depressurization switch is activated on our large aircraft pressurization systems

A

outflow

39
Q

AD 2004-21-05 is applicable to:

A

Combustion air type heaters

40
Q

How should oxygen generators be made safe for shipping

A

Lanyard pin removed and safety cap installed

41
Q

The pressure relief valves on our large aircraft pressurization systems performs how many functions?

A

one

42
Q

What malfunction would cause the heater to produce heat only while the heater start switch is pressed and cold air when the heater start switch is released?

A

K-10 relay not functioning

43
Q

Maintains the maximum safe temperature for the heater

A

Cycle Switch

44
Q

Match the vapour cycle system components to their definitions. -Located in the airflow outside the cabin of the aircraft 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

condensor

45
Q

1 BTU is required to raise 1 pound of water 1° Celsius. true or false

A

false 1 BTU is required to raise 1 pound of water 1° fahrenheit.

46
Q

Prevents overheating when heater is shut down

A

Purge switch

47
Q

What component determines heater TIS

A

Hobbs meter

48
Q

Match the vapour cycle system components to their definitions. -Cools down the cabin air 1.Compressor 2.Condensor 3.Receiver Dryer 4.Thermal Expansion Valve 5.Evaporator

A

Evaporator

49
Q

if a wire is labeled “H12A16”, we can determine that the wire is:

A

16 gauge

50
Q

What device in our heater system us useful when troubleshooting an electrical issue?

A

Terminal block

51
Q

a bus bar uses a: -non conductive strip -conductive strip

A

-conductive

52
Q

The vapour cycle system can be turned off and on by engaging a clutch in the _____________

A

compressor

53
Q

In what forms are oxygen stored on an aircraft?

A

gaseous, chemical (solid), liquid

54
Q

What causes the cabin altitude to increase on the small to mid sized aircraft pressurization systems?

A

vacuum is increased causing the outflow valve to open

55
Q

Oxygen generators can be tested?

A

no

56
Q

List three sources for cabin pressurization air

A

bleed air, turbocharger, supercharger

57
Q

Maximum cabin differential pressure is -the structural limit of the pressure vessel -the maximum pressure difference allowed between —the outside air and the cabin air. -determined by the aircraft manufacturter -all above

A

all of the above

58
Q

What is the purpose of the dump switch?

A

Depressurization the plane in the event of a malfunction or to remove contaminants

59
Q

Where is the combustion air pressure switch located?

A

Downstream of the combustion air blower

60
Q

to determine the correct pressure to fill an oxygen bottle for a given temperature, we can use a ________ supplied by the manufacturer

A

chart

61
Q

when pilots turn on the emergency mode on the diluter-demand oxygen regulator the regulator provides?

A

100% oxygen under pressure

62
Q

a diluter oxygen regulator can provide ?

A

-oxygen mixed with cabin air -100% oxygen -100% oxygen under pressure

63
Q

Prevents heat from starting if combustion blower is not working

A

Combustion air pressure switch

64
Q

A terminal s block is made up of : -non conductive strip -conductive strip

A

-non conductive strip

65
Q

what happens if an oxygen bottle pressure becomes too high ?

A

the pressure relief valve will bleed off the pressure outside after blowing up the green disk

66
Q

what is G- H -J

A

G=water separator control valve

H =water drain tube

J= Vernatherm

67
Q

what is D-E-F

A

D = Secundary heat exchanger

E =Expantion tube

F= water separator

68
Q

what is A-B-C

A

A = Pack Valves

B =Primary Heat exchanger

C= compresor

Asys 340 A (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions