Oxygen Components Test Stands Flashcards

1
Q

As compared to Sea level, what is the air pressure at 18,000 feet?

A

One-half

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2
Q

At what temperature is liquid oxygen (LOX) maintained?

A

-297 Degrees F

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3
Q

Capacity of a LOX Converter

A

10 Liters

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4
Q

Filling time at 70 Degrees F for LOX Converter

A

10 minutes

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5
Q

Buildup time for LOX Converter

A

5 minutes

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6
Q

What is Anoxia?

A

Complete lack of oxygen, which causes death.

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7
Q

What is a decrease in the amount of oxygen per unit volume of air that results in an insufficient amount of oxygen entering the bloodstream called?

A

Hypoxia

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8
Q

Early warnings of hypoxia

A
  • blurring vision
  • slight shortness of breath
  • vague weak feeling
  • little dizziness
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9
Q

What is the combining of an element with oxygen called?

A

Oxidation

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10
Q

Characteristics of liquid oxygen

A
  • pale blue in color
  • flows like water
  • weighs 9.54 pounds per gallon
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11
Q

What is the expansion ratio of liquid oxygen?

A

862 to 1

Meaning 1 volume of liquid oxy will expand 862 times when converted to a gas at atmospheric pressure.

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12
Q

How is oxygen in the liquid state carried in the aircraft?

A

In a Converter

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13
Q

What is type II of the aviators breathing oxygen?

A

LOX

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14
Q

How many ON/OFF valves are there on the oxygen system components test stand?

A

2

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15
Q

What type of motor does the Vacuum Pump operate from?

A

2 horsepower electric motor

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16
Q

What type of connection plug should you always ensure that the pump motor has?

A

4 prong electrical connection plug

17
Q

What are the elements that make up the bell jar?

A
  • relief valve RV-3
  • bell jar
  • bell jar top coupling C-2
18
Q

How is the bell jar used?

A

Testing components having more than one possible area of leakage