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bonge4379 bonge4379
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6 years ago
The correct lighting procedure for an oxyacetylene torch is:
 
  A) Crack both the acetylene and oxygen and light the mixture.
  B) Crack the oxygen and light it first, then add the acetylene.
  C) Crack the acetylene and light it first, then add the oxygen.
  D) Fully open both the acetylene and oxygen, wait 30 seconds, and then light the mixture.

 Q. 2

Any exposed live parts must be guarded if they are operating at _____.
 
  a. 15V or more between terminals
  b. 50V or more between terminals
  c. 240V or more between terminals
  d. 600V or more between terminals

 Q. 3

The three essential requirements for a useful electric circuit are:
 
  A) A magnetic field, a path for current flow, and a switch.
  B) A power source, a path for current flow, and a switch.
  C) A power source, a path for current flow, and an electrical load.
  D) A power source, a magnetic field, and a path for current flow.
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Ron.MRon.M
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6 years ago
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bonge4379 Author
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#2
6 years ago
All correct!
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