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Author Question: The American Standard System connections for all life support gases are _____-handed and _____. ... (Read 64 times)

wenmo

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on: Jul 16, 2018
The American Standard System connections for all life support gases are _____-handed and _____.
 
  a. Left; internal c. Right; internal
  b. Left; external d. Right; external

Question 2

Which of the following gases may be used as a refrigerant?
 
  a. Oxygen c. Carbon dioxide
  b. Nitric oxide d. Carbon monoxide


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CharlieArnold

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Note that the connections for oxygen and other life-support gases are right-handed and external.

Answer to Question 2

ANS: C
Solid carbon dioxide is used to refrigerate perishable materials during transport (e.g., food and laboratory specimens). Liquid carbon dioxide can be used as an expendable refrigerant and is used extensively as a fire-extinguishing agent in portable and stationary fire-extinguishing sys-tems.


wenmo

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Reply 2 on: Jul 16, 2018
Excellent

lkanara2

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Reply 3 on: Yesterday
:D TYSM

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