Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
312 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
How is oxygen separated from other gases in the air |
By compressing and cooling air |
|
|
|
Why must aviators breathing oxygen be Bone dry |
Moisture in oxygen would freeze at high altitude's so oxygen must be bone dry to ensure proper operation of system |
|
|
|
What are some warning signs of hypoxia |
Blurred vision, shortness of breath, weak feeling, dizziness |
|
|
|
What is the maximum pressure at which low-pressure gaseous oxygen cylinders are charge |
450 psi |
|
|
|
What color are low-pressure gaseous oxygen cylinders painted |
Yellow |
|
|
|
How are oxygen tubes color-coded |
With bands of green and white cellulose tape |
|
|
|
What to types of connections are used in the low pressure oxygen system |
Pipe threaded connections and flare tube connections |
|
|
|
What component reduces system pressure in a high-pressure gaseous oxygen system |
A pressure reducer valve |
|
|
|
What construction methods prevent high-pressure gaseous oxygen cylinders from shattering |
Heat treated alloy wrapped with steel wire |
|
|
|
What are two main types of oxygen regulators |
A continuous flow(passenger) A pressure demand type (combat aircraft) |
|
|
|
What's a disadvantage of the continuous flow regulator as compared to other types |
Wastes oxygen |
|
|
|
The MD-1 oxygen regulator can be used with what types of oxygen systems |
With high or low pressure gaseous or liquid oxygen system |
|
|
|
In an emergency the pressure demand regulator can supply oxygen to what altitude |
50,000 feet |
|
|
|
What should system pressure be during an operational check of a regulator |
Near normal operating pressure |
|
|
|
What happens if the MSOGS concentrator fails |
And oxygen caution light in the cockpit will turn on and automatically switch to the back up oxygen system |
|
|
|
What's the temperature of liquid oxygen |
-297°F |
|
|
|
Why should liquid oxygen never be sealed capped or trapped in a container without a relief valve |
It will rupture of the container |
|
|
|
What factors are used to determine converter size |
Crew number, mission to ration, type of oxygen regulation equipment used |
|
|
|
What's the probable cause of frost appears on the outside of the LOX container |
Vacuum loss |
|
|
|
How are pressure control valves controlled |
Spring loaded bellow assemblies |
|
|
|
What's the primary purpose of the pressure closing valve |
To maintain a constant head pressure on top of the liquid oxygen in the storage container |
|
|
|
What's the normal position of the pressure opening valve |
Closed |
|
|
|
Why is it important to ensure there is no moisture in the Fill, build up, and vent valve |
It may freeze in the event position |
|
|
|
In what position should you manually place the build up / vent valve during a filling operation |
Vent position |
|
|
|
How are the check valves in quick disconnects operated |
Automatically |
|
|
|
What are two modes of operation in the supply sequence of the liquid oxygen system |
The economy mode and demand mode |
|
|
|
What technical manual covers the requirements for LOX systems inspection |
-6 TO for the specific aircraft |
|
|
|
What is the purpose of the bleed air system |
To operate the pneumatic systems and components |
|
|
|
What are the three sources of bleed air used for system operations on jet aircraft |
Engines, ground air cart, APU |
|
|
|
What are the three sources of bleed air used for system operations on jet aircraft |
Engines, ground air cart, APU |
|
|
|
What equipment provides bleed air when the aircraft is on the ground when the engine shutdown |
A ground air cart |
|
|
|
What are the three sources of bleed air used for system operations on jet aircraft |
Engines, ground air cart, APU |
|
|
|
What equipment provides bleed air when the aircraft is on the ground when the engine shutdown |
A ground air cart |
|
|
|
List components of a bleed air system |
Check valves, shut off valves, wing isolation cross over valve, flow control valves, pressure regulating valve's, bleed air ducting |
|
|
|
What is the purpose of a ground air connection check valve |
To prevent the escape of bleed air from the system |
|
|
|
What is the purpose of a ground air connection check valve |
To prevent the escape of bleed air from the system |
|
|
|
What material is usually used for high-pressure /high temperature ducting |
Stainless steel |
|
|
|
What action should you take to ensure a good airtight seal when installing a V band clamp |
Tap around the circumference of the clamp as it's tightened |
|
|
|
What action should you take to ensure a good airtight seal when installing a V band clamp |
Tap around the circumference of the clamp as it's tightened |
|
|
|
Why should you install the bottom bolts on a bolted flange duct first |
This form is a cradle and holds the gasket in place while you install the remaining bolts |
|
|
|
What action should you take to ensure a good airtight seal when installing a V band clamp |
Tap around the circumference of the clamp as it's tightened |
|
|
|
Why should you install the bottom bolts on a bolted flange duct first |
This form is a cradle and holds the gasket in place while you install the remaining bolts |
|
|
|
What other materials can be used in the construction of a medium pressure/medium temperature ducting |
Titanium two aluminum alloy |
|
|
|
What type of lubricant can be used on beaded docked sleeves to aid in insulation |
Water only |
|
|
|
What type of lubricant can be used on beaded docked sleeves to aid in insulation |
Water only |
|
|
|
Where in the aircraft is molded fiberglass ducting used for distributing conditioned air |
Cabin area |
|
|
|
What type of lubricant can be used on beaded docked sleeves to aid in insulation |
Water only |
|
|
|
Where in the aircraft is molded fiberglass ducting used for distributing conditioned air |
Cabin area |
|
|
|
What's the purpose of gaskets |
To make an airtight seal with most types of flange |
|
|
|
What type of lubricant can be used on beaded docked sleeves to aid in insulation |
Water only |
|
|
|
Where in the aircraft is molded fiberglass ducting used for distributing conditioned air |
Cabin area |
|
|
|
What's the purpose of gaskets |
To make an airtight seal with most types of flange |
|
|
|
What's the most important reason for insulating ducts |
To prevent heat damage to structural members, electrical wiring combustible material as well as hydraulic, oxygen, and fuel lines |
|
|
|
What type of insulating material is fireproof |
Fiberglass fabric blankets |
|
|
|
What type of insulating material is fireproof |
Fiberglass fabric blankets |
|
|
|
What is the purpose of the rubber accordion boot wrapped around the duct between the sections of the insulation |
This boot allowance for differences and expansion rates of the duct and insulation |
|
|
|
What type of insulating material is fireproof |
Fiberglass fabric blankets |
|
|
|
What is the purpose of the rubber accordion boot wrapped around the duct between the sections of the insulation |
This boot allowance for differences and expansion rates of the duct and insulation |
|
|
|
What's used to lace the studs together in a metal foil blanket |
Wire |
|
|
|
What type of insulating material is fireproof |
Fiberglass fabric blankets |
|
|
|
What is the purpose of the rubber accordion boot wrapped around the duct between the sections of the insulation |
This boot allowance for differences and expansion rates of the duct and insulation |
|
|
|
What's used to lace the studs together in a metal foil blanket |
Wire |
|
|
|
What are the most common types of duct damage |
Scratch, minor dent, major dent, gouge |
|
|
|
Which bleed air duct system is subjected to the highest pressure/temperature |
High pressure/high temperature |
|
|
|
What is air conditioning |
The simultaneous control of temperature, humidity, and air distribution within the space |
The simultaneous control of temperature, humidity, and air distribution within the space |
|
|
What is air conditioning |
The simultaneous control of temperature, humidity, and air distribution within the space |
The simultaneous control of temperature, humidity, and air distribution within the space |
|
|
Does heat always move to cold or just cold always move to heat |
Heat always moves to cold |
|
|
|
What is air conditioning |
The simultaneous control of temperature, humidity, and air distribution within the space |
The simultaneous control of temperature, humidity, and air distribution within the space |
|
|
Does heat always move to cold or just cold always move to heat |
Heat always moves to cold |
|
|
|
While the aircraft is in flight, what controls the flow of ram air to the primary heat exchangers |
Movable ram air inlets and exit doors that modulate in flight |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
What is the primary purpose of the refrigeration bypass valve |
To prevent water from freezing in the water separator |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
What is the primary purpose of the refrigeration bypass valve |
To prevent water from freezing in the water separator |
|
|
|
What component uses centrifugal forced to remove moisture in the air that is caused by rapid cooling |
The water separator |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
What is the primary purpose of the refrigeration bypass valve |
To prevent water from freezing in the water separator |
|
|
|
What component uses centrifugal forced to remove moisture in the air that is caused by rapid cooling |
The water separator |
|
|
|
What two forms of energy are essentially interchangeable |
Pressure and temperature |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
What is the primary purpose of the refrigeration bypass valve |
To prevent water from freezing in the water separator |
|
|
|
What component uses centrifugal forced to remove moisture in the air that is caused by rapid cooling |
The water separator |
|
|
|
What two forms of energy are essentially interchangeable |
Pressure and temperature |
|
|
|
What happens to heat of the engine bleed air as it passes through the primary heat exchanger |
Some of the heat is transferred to ram air |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
What is the primary purpose of the refrigeration bypass valve |
To prevent water from freezing in the water separator |
|
|
|
What component uses centrifugal forced to remove moisture in the air that is caused by rapid cooling |
The water separator |
|
|
|
What two forms of energy are essentially interchangeable |
Pressure and temperature |
|
|
|
What happens to heat of the engine bleed air as it passes through the primary heat exchanger |
Some of the heat is transferred to ram air |
|
|
|
What happens to the pressure of the engine bleed air as it passes through the primary heat exchanger |
Almost no change |
|
|
|
During low airspeeds or ground operation what induces cooling air flow to the primary heat exchangers when there's not enough ram air to cool the primary heat exchangers |
Ejectors |
|
|
|
What consists of a centrifugal Air compressor and an expansion turbine, and is often known as a pack |
Air cycle machine |
|
|
|
Why would some of the outlet air from the primary heat exchanger need to bypass the air cycle machine |
If cabin temperature controls call for warmer air |
|
|
|
What component provides an additional stage of cooling after the bleed air has left the primary heat exchanger and the air cycle machine |
Secondary heat exchanger |
|
|
|
What is the primary purpose of the refrigeration bypass valve |
To prevent water from freezing in the water separator |
|
|
|
What component uses centrifugal forced to remove moisture in the air that is caused by rapid cooling |
The water separator |
|
|
|
What two forms of energy are essentially interchangeable |
Pressure and temperature |
|
|
|
What happens to heat of the engine bleed air as it passes through the primary heat exchanger |
Some of the heat is transferred to ram air |
|
|
|
What happens to the pressure of the engine bleed air as it passes through the primary heat exchanger |
Almost no change |
|
|
|
What happens to the air as it enters the compressor of the air cycle machine |
The pressure increases and therefore the temperature increases |
|
|
|
The refrigeration bypass valve opens so that warm air can mix with the air in the water separator if the water separators outlet air temperature falls below what temperature |
38°F |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What component operates as a safety valve if the regulator fails |
Outflow valve |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What component operates as a safety valve if the regulator fails |
Outflow valve |
|
|
|
Why are two outs all valves use on aircraft with large crew areas |
Because of the large volume of air to be relieved |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What component operates as a safety valve if the regulator fails |
Outflow valve |
|
|
|
Why are two outs all valves use on aircraft with large crew areas |
Because of the large volume of air to be relieved |
|
|
|
How can the dump valve be operated in case of electrical power failure |
Manually |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What component operates as a safety valve if the regulator fails |
Outflow valve |
|
|
|
Why are two outs all valves use on aircraft with large crew areas |
Because of the large volume of air to be relieved |
|
|
|
How can the dump valve be operated in case of electrical power failure |
Manually |
|
|
|
What are the three features of the pressure controller |
Isobaric, differential, rate controls |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What component operates as a safety valve if the regulator fails |
Outflow valve |
|
|
|
Why are two outs all valves use on aircraft with large crew areas |
Because of the large volume of air to be relieved |
|
|
|
How can the dump valve be operated in case of electrical power failure |
Manually |
|
|
|
What are the three features of the pressure controller |
Isobaric, differential, rate controls |
|
|
|
How is isobaric control maintained |
Adjusting spring tension |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
What percentage of the earths atmosphere is nitrogen |
78% |
|
|
|
What component operates as a safety valve if the regulator fails |
Outflow valve |
|
|
|
Why are two outs all valves use on aircraft with large crew areas |
Because of the large volume of air to be relieved |
|
|
|
How can the dump valve be operated in case of electrical power failure |
Manually |
|
|
|
What are the three features of the pressure controller |
Isobaric, differential, rate controls |
|
|
|
How is isobaric control maintained |
Adjusting spring tension |
|
|
|
What types of pressure act on the differential controllers diaphragm |
Control head and atmospheric |
|
|
|
List the three pressurization ranges |
Unpressurized range, Isobaric range, differential range |
|
|
|
What's the isobaric range |
8000 to 21,000 feet above sea level |
|
|
|
Where does the differential range extend |
From where the isobaric rain stops to the maximum altitude of the aircraft |
|
|
|
What component opens and closes to control the amount of air leaving the aircraft pressurized area |
Outflow valve |
|
|
|
What is the approximate atmospheric pressure at sea level |
14.7psi |
|
|
|
The aneroid is fully expanded in the metering valve closed at what specific altitude |
8000 feet |
|
|
|
What to pressures are applied to the differential diaphragm |
Control and atmospheric pressure |
|
|
|
What section of the pressure regulator protects the crew from too fast a rise in cabin pressure |
The rate control section |
|
|
|
In addition to a regulator,two outflow valves, and a pneumatic relay, what other component is a part of the duel differential regulator |
Dump valve |
|
|
|
How is the rate control orifice size adjusted |
Rate control knob |
|
|
|
How is the rate control orifice size adjusted |
Rate control knob |
|
|
|
During a dive, what prevents damage caused by reverse flow of atmospheric air |
The ball check valve |
|
|
|
How is the rate control orifice size adjusted |
Rate control knob |
|
|
|
During a dive, what prevents damage caused by reverse flow of atmospheric air |
The ball check valve |
|
|
|
Describe the purpose of the manual control valve |
It's used to manually set and regulate the control pressure if the automatic cabin pressure control fails |
|
|
|
What happens if the pressure regulator test handle remains in the test position |
The aircraft will pressurize on the ground |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
How are thermal switchs connected |
In parallel with each other and in series with warning lights |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
How are thermal switchs connected |
In parallel with each other and in series with warning lights |
|
|
|
What causes a thermocouple fire detector system to activate |
A rapid rate of temperature increase beyond normal engine warm up |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
How are thermal switchs connected |
In parallel with each other and in series with warning lights |
|
|
|
What causes a thermocouple fire detector system to activate |
A rapid rate of temperature increase beyond normal engine warm up |
|
|
|
What are the three circuits in the thermocouple fire warning system |
The detector, alarm, and test circuits |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
How are thermal switchs connected |
In parallel with each other and in series with warning lights |
|
|
|
What causes a thermocouple fire detector system to activate |
A rapid rate of temperature increase beyond normal engine warm up |
|
|
|
What are the three circuits in the thermocouple fire warning system |
The detector, alarm, and test circuits |
|
|
|
How are the thermal couples connected in respect to each other |
In series |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
How are thermal switchs connected |
In parallel with each other and in series with warning lights |
|
|
|
What causes a thermocouple fire detector system to activate |
A rapid rate of temperature increase beyond normal engine warm up |
|
|
|
What are the three circuits in the thermocouple fire warning system |
The detector, alarm, and test circuits |
|
|
|
How are the thermal couples connected in respect to each other |
In series |
|
|
|
What does a photo electric detector cell consist of |
A glass envelope, which is coded on the inside with infra read sensitive lead sulfide |
|
|
|
Where are fire detectors normally placed on aircraft |
Engine section, nacelle, or tailcone |
|
|
|
How are thermal switchs connected |
In parallel with each other and in series with warning lights |
|
|
|
What causes a thermocouple fire detector system to activate |
A rapid rate of temperature increase beyond normal engine warm up |
|
|
|
What are the three circuits in the thermocouple fire warning system |
The detector, alarm, and test circuits |
|
|
|
How are the thermal couples connected in respect to each other |
In series |
|
|
|
What does a photo electric detector cell consist of |
A glass envelope, which is coded on the inside with infra read sensitive lead sulfide |
|
|
|
The amplifier of a photo electric fire detection system is sensitive to what frequencies |
Between 7 and 60 Hz |
|
|
|
What are fire detector sensing loops made of |
A center conductor embedded in a semi conducting compound enclosed within a two |
|
|
|
What are fire detector sensing loops made of |
A center conductor embedded in a semi conducting compound enclosed within a two |
|
|
|
How do you look good agents extinguish fire |
By excluding oxygen from the fire area |
|
|
|
What are fire detector sensing loops made of |
A center conductor embedded in a semi conducting compound enclosed within a two |
|
|
|
How do you look good agents extinguish fire |
By excluding oxygen from the fire area |
|
|
|
How will an insufficient nitrogen charge affect agent discharge |
The cylinder won't have enough pressure to discharge properly |
|
|
|
What is usually found at the lowest point of a fuel tank |
A sump and drain |
|
|
|
What is installed in fire aircraft fuel tanks that prevent fuel slashing and reduce the potential for fuel ignition or explosion if the aircraft is hit by enemy fire |
Foam blocks |
|
|
|
Which fuel tank type is made of a rubber or nylon material and conforms to the shape of the vacant cavity within the fuselage where it is |
A bladder type fuel tank |
|
|
|
What is usually found at the lowest point of a fuel tank |
A sump and drain |
|
|
|
What is installed in fire aircraft fuel tanks that prevent fuel slashing and reduce the potential for fuel ignition or explosion if the aircraft is hit by enemy fire |
Foam blocks |
|
|
|
Which fuel tank type is made of a rubber or nylon material and conforms to the shape of the vacant cavity within the fuselage where it is |
A bladder type fuel tank |
|
|
|
What type of fuel tank is not removable and is not self sealing |
Integral |
|
|
|
What is the primary purpose of a centrifugal pump |
Pressurize the fuel manifold |
|
|
|
What distinct advantage to center fugal type palms have over other types of pumps |
They tend to run cooler because there's no contact between the rotating impeller and the stationary housing of the pump body |
|
