What is the minimum furnace size for which the fire department should be called to be on standby before lighting the burner when the refractory has been soaked with oil?
A) 2.5 gph B) 1.5 gph C) 4.5 gph D) 3.5 gph
A
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When can electrical shock occur?
A) When a person comes into contact with an insulated wire B) When a person uses properly grounded electrical equipment C) When a person works on electrical equipment without checking that the power source is off D) When a person works with electrical equipment in a wet or damp environment
Higher welding speeds are an advantage of autogenous welds.
Answer the following statement true (T) or false (F)
How does refrigerating food help preserve it?
A) Prevents excessive drying of the food B) Slows down the action of microorganisms and enzymes C) Hastens the ripening process D) Kills microorganisms
Break lines are used to terminate features on a drawing when the extent of the feature has been clearly defined and no additional detail is needed.
Answer the following statement true (T) or false (F)