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Author Question: When shutting off a torch, first close the ____________________ valve, and then close the ... (Read 90 times)

jace

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on: Jul 21, 2018

When shutting off a torch, first close the ___________________ _ valve, and then close the
  ___________________ _ valve.


 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Evaporative heat loss is heat lost due to evaporation of water.
 
  Indicate whether the statement is true or false


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dantucker

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Reply #1 on: Jul 21, 2018
Answer to Question 1

ANS: acetylene, oxygen

Answer to Question 2

T


jace

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Reply 2 on: Jul 21, 2018
:D TYSM

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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