Oxygen Components Test Stands

Question 1

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

Answer 1

One-half

Question 2

At what temperature is liquid oxygen (LOX) maintained?

Answer 2

-297 Degrees F

Question 3

Capacity of a LOX Converter

Answer 3

10 Liters

Question 4

Filling time at 70 Degrees F for LOX Converter

Answer 4

10 minutes

Question 5

Buildup time for LOX Converter

Answer 5

5 minutes

Question 6

What is Anoxia?

Answer 6

Complete lack of oxygen, which causes death.

Question 7

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?

Answer 7

Hypoxia

Question 8

Early warnings of hypoxia

Answer 8

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

Question 9

What is the combining of an element with oxygen called?

Answer 9

Oxidation

Question 10

Characteristics of liquid oxygen

Answer 10

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

Question 11

What is the expansion ratio of liquid oxygen?

Answer 11

862 to 1

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

Question 12

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

Answer 12

In a Converter

Question 13

What is type II of the aviators breathing oxygen?

Answer 13

LOX

Question 14

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

Answer 14

2

Question 15

What type of motor does the Vacuum Pump operate from?

Answer 15

2 horsepower electric motor

Question 16

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

Answer 16

4 prong electrical connection plug

Question 17

What are the elements that make up the bell jar?

Answer 17

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

Question 18

How is the bell jar used?

Answer 18

Testing components having more than one possible area of leakage