Life Support Systems - CDRA

Classify the system according to the following characteristics (multiple choice):

• open-loop

• closed-loop

• non-regenerative

• regenerative

What is the world record for static apnea (without oxygen pre-breathing)?

Remember how long an average human can survive without oxygen ("Rule of 3")

• 5.5 min

• 12 min

• 19 min

• 24.5 min

What is the minimum pressure at which a human can survive (assuming 100% oxygen)?

• 5 kPa (~0.05 atm)

• 15 kPa (~0.15 atm)

• 25 kPa (~0.25 atm)

• 45 kPa (~0.45 atm)

How many kg of tomatoes contain 2000 kcal?

• 5 kg

• 7 kg

• 9 kg

• 11 kg

How many kg of green beans contain 2000 kcal?

• 2 kg

• 6 kg

• 12 kg

• 18 kg