Author Question: How long is an ignition trial on a direct spark ignition system? A) 30 minutes B) 1 minute to 2 ... (Read 43 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
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

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

For a complete list of videos, visit our video library