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Author Question: How long is an ignition trial on a direct spark ignition system? A) 30 minutes B) 1 minute to 2 ... (Read 79 times)

silviawilliams41

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on: Jul 26, 2018
How long is an ignition trial on a direct spark ignition system?
 
  A) 30 minutes B) 1 minute to 2 minutes
  C) 30 seconds to 1 minute D) 4 to 21 seconds

Question 2

Oils or fluids from cutting or storage must be removed with ________ approved for welding operations.
 
  A) an air compressor B) a cleaning solvent C) a grinding method D) All of the above


atrochim

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Reply #1 on: Jul 26, 2018
Answer to Question 1

D

Answer to Question 2

B


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